Release 1.4.8

see also https://github.com/EventFahrplan/EventFahrplan/issues/71

.github/workflows/apikeys-ci.xml

@@ -4,4 +4,5 @@
    <string name="goingelectric_key" translatable="false">ci</string>
    <string name="chargeprice_key" translatable="false">ci</string>
    <string name="openchargemap_key" translatable="false">ci</string>
+   <string name="fronyx_key" translatable="false">ci</string>
 </resources>

.github/workflows/release.yml

@@ -31,6 +31,7 @@ jobs:
           CHARGEPRICE_API_KEY: ${{ secrets.CHARGEPRICE_API_KEY }}
           MAPBOX_API_KEY: ${{ secrets.MAPBOX_API_KEY }}
           GOOGLE_MAPS_API_KEY: ${{ secrets.GOOGLE_MAPS_API_KEY }}
+          FRONYX_API_KEY: ${{ secrets.FRONYX_API_KEY }}
           KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
           KEYSTORE_ALIAS: ${{ secrets.KEYSTORE_ALIAS }}
           KEYSTORE_ALIAS_PASSWORD: ${{ secrets.KEYSTORE_ALIAS_PASSWORD }}

README.md

@@ -1,7 +1,7 @@
-EVMap [![Build Status](https://github.com/johan12345/EVMap/actions/workflows/tests.yml/badge.svg)](https://github.com/johan12345/EVMap/actions)
+EVMap [![Build Status](https://github.com/ev-map/EVMap/actions/workflows/tests.yml/badge.svg)](https://github.com/ev-map/EVMap/actions)
 =====
 
-<img src="https://raw.githubusercontent.com/johan12345/EVMap/master/_img/feature_graphic.svg" width=700 alt="Logo"/>
+<img src="https://raw.githubusercontent.com/ev-map/EVMap/master/_img/feature_graphic.svg" width=700 alt="Logo"/>
 
 Android app to find electric vehicle charging stations.
 
@@ -28,7 +28,7 @@ Features
 Screenshots
 -----------
 
-<img src="https://raw.githubusercontent.com/johan12345/EVMap/master/_img/screenshots/phone/en/mapbox/01_map.png" width=250 alt="Screenshot 1"/><img src="https://raw.githubusercontent.com/johan12345/EVMap/master/_img/screenshots/phone/en/mapbox/02_detail.png" width=250 alt="Screenshot 2"/>
+<img src="https://raw.githubusercontent.com/ev-map/EVMap/master/_img/screenshots/phone/en/mapbox/01_map.png" width=250 alt="Screenshot 1"/><img src="https://raw.githubusercontent.com/ev-map/EVMap/master/_img/screenshots/phone/en/mapbox/02_detail.png" width=250 alt="Screenshot 2"/>
 
 Development setup
 -----------------

_img/app_logo.svg

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_img/map_marker_charging.svg

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_img/map_marker_charging_multiple.svg

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+		c6.7-45.6,30.9-85.9,57.1-122.9c23.3-32.8,50.2-67.3,51-109.4v-8.1c-1.7-21.7-9.2-43.1-22.7-60.3C190.5,18.5,157.3,1.9,123.4,0
+		L123.4,0z" />
 </g>
+	<polygon class="st2" points="143.2,109.4 123.5,143.2 123.5,181.3 166.9,106.9 144.7,106.9 " />
+	<path class="st2" d="M122.2,101.9h16.7h5.7l22.3-44.6c0,0-10.2,0-22.4,0l-1.1,2.2L122.2,101.9z" />
+	<path class="st1" d="M138.9,57.3c-9.7,0-19.8,0-26.4,0c-2.5,0-5.1,0-7.6,0c-8.2,0-16.1,0-21.4,0c-4.1,0-6.6,0-6.6,0v68.2h18.6v55.8
+	l43.4-74.4h-24.8L138.9,57.3z" />
 </svg>

_img/powered_by_fronyx.svg

@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8"?><!-- Generator: Adobe Illustrator 24.3.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Ebene_1" xmlns="http://www.w3.org/2000/svg" x="0px" y="0px"
+    viewBox="0 0 566.9 254.9" style="enable-background:new 0 0 566.9 254.9;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#000044;}
+</style>
+    <path class="st0" d="M60.8,86.3c-5.6,0-10,0.5-13.3,1.4c-3.3,0.9-5.7,2.7-7.1,5.2c-0.4,0.6-0.7,1.3-0.9,2c-1.1,3.3-1.4,6.8-1.4,10.2
+	c0,2.1,0,4.2,0,6.2c0,0.1,0,0.2,0,0.3h22.3v20.9H38.1v71.2v7.6H14.5v-7.6v-71.2H0v-20.9h14.5V104c0-13.4,3.9-23.8,11.2-31.3
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+	c0-5.4,1.5-9.5,4.3-12.3c2.8-2.7,5.8-4.2,9.5-5.1c3.7-0.9,6.6-1,8.5-1c2.9,0,6.5,0.8,8,1.2c2.8,0.8,6.3,3.3,8.3,6.2
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+    <g>
+	<g>
+		<path class="st0" d="M97.6,89.8V39.2c0-1.6-0.1-3.2-0.2-4.8c-0.1-1.7-0.3-3.3-0.5-4.9h6.6l0.9,10h-1c0.9-3.3,2.7-5.9,5.5-7.9
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+			c4,0,7.2-1.4,9.6-4.2c2.4-2.8,3.6-6.8,3.6-12.1c0-5.4-1.2-9.5-3.6-12.2c-2.4-2.8-5.6-4.2-9.6-4.2c-4,0-7.2,1.4-9.5,4.2
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+			c4,0,7.1-1.4,9.5-4.2c2.4-2.8,3.5-6.8,3.5-12.1c0-5.4-1.2-9.5-3.6-12.2c-2.4-2.8-5.6-4.2-9.5-4.2c-4,0-7.1,1.4-9.5,4.2
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+        <path class="st0" d="M207.2,71.6l-15.6-42.2h7.2l13,37.1h-2.2l13.4-37.1h5.9l13.2,37.1h-2.1l13.1-37.1h6.9l-15.7,42.2h-6.6
+			l-13.6-37.7h3.4l-13.7,37.7H207.2z" />
+        <path class="st0" d="M287.7,72.4c-6.6,0-11.8-1.9-15.6-5.8c-3.8-3.8-5.7-9.2-5.7-16c0-4.4,0.8-8.3,2.5-11.5c1.7-3.3,4-5.8,7.1-7.6
+			c3-1.8,6.5-2.7,10.4-2.7c3.9,0,7.1,0.8,9.7,2.4c2.6,1.6,4.6,3.9,6,6.9c1.4,3,2.1,6.5,2.1,10.6v2.5h-32.7v-4.3h28.2l-1.4,1.1
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+			c2.6,2.7,6.3,4.1,11,4.1c2.5,0,4.9-0.4,7.1-1.1c2.2-0.8,4.3-2,6.3-3.7l2.4,4.8c-1.8,1.8-4.2,3.2-7,4.2
+			C293.8,71.9,290.8,72.4,287.7,72.4z" />
+        <path class="st0" d="M314.5,71.6v-32c0-1.7,0-3.4-0.1-5.1c-0.1-1.7-0.2-3.4-0.4-5h6.6l0.8,10.2l-1.2,0.1c0.6-2.5,1.5-4.6,2.9-6.2
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+        <path class="st0" d="M363.9,72.4c-6.6,0-11.8-1.9-15.6-5.8c-3.8-3.8-5.7-9.2-5.7-16c0-4.4,0.8-8.3,2.5-11.5c1.7-3.3,4-5.8,7.1-7.6
+			c3-1.8,6.5-2.7,10.4-2.7c3.9,0,7.1,0.8,9.7,2.4c2.6,1.6,4.6,3.9,6,6.9c1.4,3,2.1,6.5,2.1,10.6v2.5h-32.7v-4.3H376l-1.4,1.1
+			c0-4.5-1-8-3-10.5c-2-2.5-5-3.8-9-3.8c-4.2,0-7.5,1.5-9.8,4.4c-2.4,2.9-3.5,6.9-3.5,11.9v0.8c0,5.3,1.3,9.3,3.9,12
+			c2.6,2.7,6.3,4.1,11,4.1c2.5,0,4.9-0.4,7.1-1.1c2.2-0.8,4.3-2,6.3-3.7l2.4,4.8c-1.8,1.8-4.2,3.2-7,4.2
+			C370,71.9,367,72.4,363.9,72.4z" />
+        <path class="st0" d="M406.8,72.4c-3.7,0-6.9-0.9-9.7-2.6c-2.8-1.8-5-4.3-6.5-7.5c-1.5-3.2-2.3-7.1-2.3-11.7
+			c0-4.6,0.8-8.5,2.3-11.8c1.5-3.2,3.7-5.7,6.5-7.5c2.8-1.7,6-2.6,9.7-2.6c3.8,0,7.1,1,9.9,2.9c2.8,1.9,4.6,4.5,5.6,7.7h-1V9.8h6.8
+			v61.8h-6.7V61.5h0.9c-0.9,3.4-2.7,6-5.5,7.9C413.9,71.4,410.6,72.4,406.8,72.4z M408.2,66.8c4,0,7.2-1.4,9.6-4.2
+			c2.4-2.8,3.6-6.8,3.6-12.1c0-5.4-1.2-9.5-3.6-12.2c-2.4-2.8-5.6-4.2-9.6-4.2c-4,0-7.2,1.4-9.5,4.2c-2.4,2.8-3.6,6.8-3.6,12.2
+			c0,5.3,1.2,9.4,3.6,12.1C401.1,65.4,404.3,66.8,408.2,66.8z" />
+        <path class="st0" d="M484.3,72.4c-3.8,0-7.1-1-9.8-2.9c-2.7-1.9-4.6-4.6-5.5-7.9h0.9v10.1h-6.7V9.8h6.8v29.5h-1
+			c1-3.2,2.8-5.8,5.5-7.7c2.7-1.9,6-2.9,9.8-2.9c3.8,0,7.1,0.9,9.9,2.6c2.8,1.8,4.9,4.3,6.5,7.5c1.5,3.2,2.3,7.1,2.3,11.7
+			s-0.8,8.4-2.4,11.7c-1.6,3.2-3.7,5.8-6.5,7.5C491.4,71.5,488.1,72.4,484.3,72.4z M482.9,66.8c4,0,7.2-1.4,9.6-4.1
+			c2.4-2.7,3.6-6.8,3.6-12.2s-1.2-9.5-3.6-12.2c-2.4-2.8-5.6-4.2-9.6-4.2c-4,0-7.2,1.4-9.5,4.2c-2.4,2.8-3.6,6.8-3.6,12.2
+			c0,5.3,1.2,9.4,3.6,12.1C475.8,65.4,478.9,66.8,482.9,66.8z" />
+        <path class="st0" d="M511.9,90.7l-1.6-5.6c2.6-0.6,4.8-1.3,6.6-2.1c1.8-0.8,3.2-1.9,4.4-3.2c1.2-1.3,2.2-3,3-5l2.2-5l-0.2,2.9
+			l-18.4-43.1h7.4l15.2,37h-2.2l15-37h7.1L531,75.1c-1.1,2.7-2.4,4.9-3.7,6.8c-1.3,1.8-2.8,3.3-4.3,4.5c-1.5,1.1-3.2,2.1-5.1,2.7
+			S514.1,90.3,511.9,90.7z" />
+	</g>
+</g>
+</svg>

app/build.gradle

@@ -8,21 +8,24 @@ apply plugin: 'kotlin-parcelize'
 apply plugin: 'kotlin-kapt'
 apply plugin: 'androidx.navigation.safeargs.kotlin'
 apply plugin: 'com.mikepenz.aboutlibraries.plugin'
-apply plugin: 'de.timfreiheit.resourceplaceholders'
+
+def supportedLocales = "en,de,fr,nb-rNO,nl"
 
 android {
-    compileSdkVersion 32
+    compileSdkVersion 33
     buildToolsVersion "30.0.3"
 
     defaultConfig {
         applicationId "net.vonforst.evmap"
         minSdkVersion 21
-        targetSdkVersion 31
+        targetSdkVersion 33
         // NOTE: always increase versionCode by 2 since automotive flavor uses versionCode + 1
-        versionCode 102
-        versionName "1.3.8"
+        versionCode 164
+        versionName "1.4.8"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        resConfigs supportedLocales.split(',')
+        buildConfigField("String", "supportedLocales", '"' + supportedLocales + '"')
     }
 
     signingConfigs {
@@ -93,15 +96,14 @@ android {
     }
     lint {
         disable 'NullSafeMutableLiveData'
+        warning 'MissingTranslation'
     }
 
     testOptions {
         unitTests.includeAndroidResources true
     }
 
-    resourcePlaceholders {
-        files = ['xml/shortcuts.xml']
-    }
+    namespace 'net.vonforst.evmap'
 
     // add API keys from environment variable if not set in apikeys.xml
     applicationVariants.all { variant ->
@@ -135,6 +137,13 @@ android {
         if (chargepriceKey != null) {
             variant.resValue "string", "chargeprice_key", chargepriceKey
         }
+        def fronyxKey = env.FRONYX_API_KEY ?: project.findProperty("FRONYX_API_KEY")
+        if (fronyxKey == null && project.hasProperty("FRONYX_API_KEY_ENCRYPTED")) {
+            fronyxKey = decode(project.findProperty("FRONYX_API_KEY_ENCRYPTED"), "FmK.d,-f*p+rD+WK!eds")
+        }
+        if (fronyxKey != null) {
+            variant.resValue "string", "fronyx_key", fronyxKey
+        }
     }
 
 }
@@ -146,29 +155,28 @@ configurations {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.4.2'
-    implementation 'androidx.core:core-ktx:1.8.0'
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'androidx.core:core-ktx:1.9.0'
     implementation 'androidx.core:core-splashscreen:1.0.0'
-    implementation "androidx.activity:activity-ktx:1.5.1"
-    implementation "androidx.fragment:fragment-ktx:1.5.1"
+    implementation "androidx.activity:activity-ktx:1.6.1"
+    implementation "androidx.fragment:fragment-ktx:1.5.5"
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.preference:preference-ktx:1.2.0'
-    implementation 'com.google.android.material:material:1.6.1'
+    implementation 'com.google.android.material:material:1.8.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     implementation 'androidx.recyclerview:recyclerview:1.2.1'
-    implementation 'androidx.browser:browser:1.4.0'
+    implementation 'androidx.browser:browser:1.5.0'
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
-    implementation 'com.github.johan12345:CustomBottomSheetBehavior:dd0167dbff'
+    implementation 'com.github.ev-map:CustomBottomSheetBehavior:e48f73ea7b'
     implementation 'com.squareup.retrofit2:retrofit:2.9.0'
     implementation 'com.squareup.retrofit2:converter-moshi:2.9.0'
     implementation 'com.squareup.okhttp3:okhttp:4.9.0'
     implementation 'com.squareup.okhttp3:okhttp-urlconnection:4.9.0'
     implementation 'com.squareup.moshi:moshi-kotlin:1.13.0'
     implementation 'com.squareup.moshi:moshi-adapters:1.13.0'
-    implementation 'com.markomilos.jsonapi:jsonapi-adapters:1.0.1'
-    implementation 'com.markomilos.jsonapi:jsonapi-retrofit:1.0.1'
+    implementation 'com.markomilos.jsonapi:jsonapi-retrofit:1.1.0'
     implementation 'io.coil-kt:coil:1.1.0'
-    implementation 'com.github.johan12345:StfalconImageViewer:5082ebd392'
+    implementation 'com.github.ev-map:StfalconImageViewer:5082ebd392'
     implementation "com.mikepenz:aboutlibraries-core:$about_libs_version"
     implementation "com.mikepenz:aboutlibraries:$about_libs_version"
     implementation 'com.airbnb.android:lottie:4.1.0'
@@ -178,28 +186,30 @@ dependencies {
     implementation 'com.github.romandanylyk:PageIndicatorView:b1bad589b5'
 
     // Android Auto
-    def carAppVersion = '1.2.0-rc01'
+    def carAppVersion = '1.3.0-rc01'
     googleImplementation "androidx.car.app:app:$carAppVersion"
     googleNormalImplementation "androidx.car.app:app-projected:$carAppVersion"
     googleAutomotiveImplementation "androidx.car.app:app-automotive:$carAppVersion"
 
     // AnyMaps
-    def anyMapsVersion = 'f36bb3c126'
-    implementation "com.github.johan12345.AnyMaps:anymaps-base:$anyMapsVersion"
-    googleImplementation "com.github.johan12345.AnyMaps:anymaps-google:$anyMapsVersion"
+    def anyMapsVersion = '7fdcf50fc4'
+    implementation "com.github.ev-map.AnyMaps:anymaps-base:$anyMapsVersion"
+    googleImplementation "com.github.ev-map.AnyMaps:anymaps-google:$anyMapsVersion"
     googleImplementation 'com.google.android.gms:play-services-maps:18.1.0'
-    implementation("com.github.johan12345.AnyMaps:anymaps-mapbox:$anyMapsVersion") {
+    implementation("com.github.ev-map.AnyMaps:anymaps-mapbox:$anyMapsVersion") {
         exclude group: 'com.mapbox.mapboxsdk', module: 'mapbox-android-accounts'
         exclude group: 'com.mapbox.mapboxsdk', module: 'mapbox-android-telemetry'
         exclude group: 'com.google.android.gms', module: 'play-services-location'
         exclude group: 'com.mapbox.mapboxsdk', module: 'mapbox-android-core'
     }
-    // patched version of mapbox-android-core that removes build-time dependency on GMS
-    implementation 'com.github.johan12345:mapbox-events-android:a21c324501'
+    // original version of mapbox-android-core
+    googleImplementation 'com.mapbox.mapboxsdk:mapbox-android-core:2.0.1'
+    // patched version that removes build-time dependency on GMS (-> no Google location services)
+    fossImplementation 'com.github.ev-map:mapbox-events-android:a21c324501'
 
     // Google Places
-    googleImplementation 'com.google.android.libraries.places:places:2.6.0'
-    googleImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-play-services:1.6.1'
+    googleImplementation 'com.google.android.libraries.places:places:3.0.0'
+    googleImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-play-services:1.6.4'
 
     // Mapbox Geocoding
     implementation 'com.mapbox.mapboxsdk:mapbox-sdk-services:5.5.0'
@@ -214,13 +224,13 @@ dependencies {
     implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_version"
 
     // room library
-    def room_version = "2.4.3"
+    def room_version = "2.5.0"
     implementation "androidx.room:room-runtime:$room_version"
     kapt "androidx.room:room-compiler:$room_version"
     implementation "androidx.room:room-ktx:$room_version"
 
     // billing library
-    def billing_version = "4.1.0"
+    def billing_version = "5.1.0"
     googleImplementation "com.android.billingclient:billing:$billing_version"
     googleImplementation "com.android.billingclient:billing-ktx:$billing_version"
 
@@ -242,15 +252,15 @@ dependencies {
 
     // testing for car app
     testGoogleImplementation "androidx.car.app:app-testing:$carAppVersion"
-    testGoogleImplementation 'org.robolectric:robolectric:4.8.1'
-    testGoogleImplementation 'androidx.test:core:1.4.0'
+    testGoogleImplementation 'org.robolectric:robolectric:4.9'
+    testGoogleImplementation 'androidx.test:core:1.5.0'
 
-    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
 
     kapt "com.squareup.moshi:moshi-kotlin-codegen:1.13.0"
 
-    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.2'
 }
 
 private static String decode(String s, String key) {

app/src/foss/res/values-fr/strings.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="donations_info" formatted="false">Trouvez-vous EVMap utile \? Soutenez son développement en envoyant un don au développeur.</string>
+    <string name="data_sources_hint">Les données cartographiques de l\'application sont fournies par OpenStreetMap (Mapbox).</string>
+    <string name="donate_paypal">Faire un don avec PayPal</string>
+</resources>

app/src/foss/res/values-nb-rNO/strings.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="donate_paypal">Doner med PayPal</string>
+    <string name="data_sources_hint">Kartdata i programmet tilbys av OpenStreetMap (Mapbox).</string>
+    <string name="donations_info" formatted="false">Synes du EVMap er nyttig\? Støtt utviklingen ved å sende en slant til utvikleren.</string>
+</resources>

app/src/foss/res/values-nl/strings.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="donations_info" formatted="false">Vond je EVMap nuttig\? Je kan de ontwikkeling ondersteunen door een donatie te sturen naar de ontwikkelaar.</string>
+    <string name="donate_paypal">Doneer via PayPal</string>
+    <string name="data_sources_hint">De kaartgegevens zijn afkomstig van OpenStreetMap (Mapbox).</string>
+</resources>

app/src/foss/res/values/arrays.xml

@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <string-array name="pref_map_provider_names">
-        <item>@string/pref_map_provider_osm_mapbox</item>
+        <item>@string/pref_provider_osm_mapbox</item>
     </string-array>
     <string-array name="pref_map_provider_values" translatable="false">
         <item>mapbox</item>
     </string-array>
     <string-array name="pref_search_provider_names">
-        <item>@string/pref_search_provider_osm_mapbox</item>
+        <item>@string/pref_provider_osm_mapbox</item>
     </string-array>
     <string-array name="pref_search_provider_values" translatable="false">
         <item>mapbox</item>

app/src/foss/res/values/donottranslate.xml

@@ -2,5 +2,4 @@
 <resources>
     <string name="pref_search_provider_default" translatable="false">mapbox</string>
     <string name="pref_map_provider_default" translatable="false">mapbox</string>
-    <string name="paypal_link" translatable="false">https://paypal.me/johan98</string>
 </resources>

app/src/google/AndroidManifest.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    package="net.vonforst.evmap">
+    xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="androidx.car.app.MAP_TEMPLATES" />
@@ -12,6 +11,7 @@
 
     <queries>
         <package android:name="com.google.android.projection.gearhead" />
+        <package android:name="com.google.android.apps.automotive.templates.host" />
     </queries>
 
     <application>

app/src/google/java/net/vonforst/evmap/Inits.kt

@@ -7,16 +7,10 @@ import com.google.android.gms.common.ConnectionResult
 import com.google.android.gms.common.GoogleApiAvailability
 import com.google.android.gms.maps.MapsInitializer
 import com.google.android.libraries.places.api.Places
-import net.vonforst.evmap.storage.PreferenceDataSource
-import net.vonforst.evmap.utils.LocaleContextWrapper
 
 fun init(context: Context) {
     Places.initialize(context, context.getString(R.string.google_maps_key))
-
-    val localeContext = LocaleContextWrapper.wrap(
-        context.applicationContext, PreferenceDataSource(context).language
-    )
-    MapsInitializer.initialize(localeContext, MapsInitializer.Renderer.LATEST, null)
+    MapsInitializer.initialize(context, MapsInitializer.Renderer.LATEST, null)
 }
 
 fun checkPlayServices(activity: Activity): Boolean {

app/src/google/java/net/vonforst/evmap/auto/CarAppService.kt

@@ -31,6 +31,7 @@ import net.vonforst.evmap.R
 import net.vonforst.evmap.location.FusionEngine
 import net.vonforst.evmap.location.LocationEngine
 import net.vonforst.evmap.location.Priority
+import net.vonforst.evmap.storage.PreferenceDataSource
 import net.vonforst.evmap.utils.checkFineLocationPermission
 
 
@@ -111,27 +112,49 @@ class EVMapSession(val cas: CarAppService) : Session(), DefaultLifecycleObserver
         carContext.getCarService(CarContext.HARDWARE_SERVICE) as CarHardwareManager
     }
 
+    private val prefs: PreferenceDataSource by lazy {
+        PreferenceDataSource(carContext)
+    }
+
     init {
         lifecycle.addObserver(this)
     }
 
     override fun onCreateScreen(intent: Intent): Screen {
         val mapScreen = MapScreen(carContext, this)
+        val screens = mutableListOf<Screen>(mapScreen)
 
+        if (!prefs.dataSourceSet) {
+            screens.add(
+                ChooseDataSourceScreen(
+                    carContext,
+                    ChooseDataSourceScreen.Type.CHARGER_DATA_SOURCE,
+                    initialChoice = true,
+                    extraDesc = R.string.data_sources_description
+                )
+            )
+        }
         if (!locationPermissionGranted()) {
-            val screenManager = carContext.getCarService(ScreenManager::class.java)
-            screenManager.push(mapScreen)
-            return PermissionScreen(
-                carContext,
-                R.string.auto_location_permission_needed,
-                listOf(
-                    Manifest.permission.ACCESS_FINE_LOCATION,
-                    Manifest.permission.ACCESS_COARSE_LOCATION
+            screens.add(
+                PermissionScreen(
+                    carContext,
+                    R.string.auto_location_permission_needed,
+                    listOf(
+                        Manifest.permission.ACCESS_FINE_LOCATION,
+                        Manifest.permission.ACCESS_COARSE_LOCATION
+                    )
                 )
             )
         }
 
-        return mapScreen
+        if (screens.size > 1) {
+            val screenManager = carContext.getCarService(ScreenManager::class.java)
+            for (i in 0 until screens.size - 1) {
+                screenManager.push(screens[i])
+            }
+        }
+
+        return screens.last()
     }
 
     private fun locationPermissionGranted() = carContext.checkFineLocationPermission()

app/src/google/java/net/vonforst/evmap/auto/ChargepriceScreen.kt

@@ -1,10 +1,5 @@
 package net.vonforst.evmap.auto
 
-import android.content.ActivityNotFoundException
-import android.content.Intent
-import android.net.Uri
-import androidx.browser.customtabs.CustomTabColorSchemeParams
-import androidx.browser.customtabs.CustomTabsIntent
 import androidx.car.app.CarContext
 import androidx.car.app.CarToast
 import androidx.car.app.Screen
@@ -24,11 +19,17 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import net.vonforst.evmap.R
 import net.vonforst.evmap.api.chargeprice.*
+import net.vonforst.evmap.api.equivalentPlugTypes
+import net.vonforst.evmap.api.nameForPlugType
+import net.vonforst.evmap.api.stringProvider
 import net.vonforst.evmap.model.ChargeLocation
+import net.vonforst.evmap.model.Chargepoint
 import net.vonforst.evmap.storage.AppDatabase
 import net.vonforst.evmap.storage.PreferenceDataSource
 import net.vonforst.evmap.ui.currency
+import net.vonforst.evmap.ui.time
 import java.io.IOException
+import kotlin.math.roundToInt
 
 class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(ctx) {
     private val prefs = PreferenceDataSource(ctx)
@@ -41,9 +42,8 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
     }
     private var prices: List<ChargePrice>? = null
     private var meta: ChargepriceChargepointMeta? = null
-    private val maxRows = if (ctx.carAppApiLevel >= 2) {
-        ctx.constraintManager.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_LIST)
-    } else 6
+    private var chargepoint: Chargepoint? = null
+    private val maxRows = ctx.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_LIST)
     private var errorMessage: String? = null
     private val batteryRange = prefs.chargepriceBatteryRangeAndroidAuto
 
@@ -62,17 +62,62 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
             if (prices == null && errorMessage == null) {
                 setLoading(true)
             } else {
-                setSingleList(ItemList.Builder().apply {
-                    setNoItemsMessage(
-                        errorMessage ?: carContext.getString(R.string.chargeprice_no_tariffs_found)
-                    )
-                    prices?.take(maxRows)?.forEach { price ->
-                        addItem(Row.Builder().apply {
-                            setTitle(formatProvider(price))
-                            addText(formatPrice(price))
-                        }.build())
+                val header = meta?.let { meta ->
+                    chargepoint?.let { chargepoint ->
+                        "${
+                            nameForPlugType(
+                                carContext.stringProvider(),
+                                chargepoint.type
+                            )
+                        } ${chargepoint.formatPower()} ${
+                            carContext.getString(
+                                R.string.chargeprice_stats,
+                                meta.energy,
+                                time(meta.duration.roundToInt()),
+                                meta.energy / meta.duration * 60
+                            )
+                        }"
                     }
-                }.build())
+                }
+                val myTariffs = prefs.chargepriceMyTariffs
+                val myTariffsAll = prefs.chargepriceMyTariffsAll
+
+                val prices = prices?.take(maxRows)
+                if (prices != null && prices.isNotEmpty() && !myTariffsAll && myTariffs != null) {
+                    val (myPrices, otherPrices) = prices.partition { price -> price.tariffId in myTariffs }
+                    val myPricesList = buildPricesList(myPrices)
+                    val otherPricesList = buildPricesList(otherPrices)
+                    if (myPricesList.items.isNotEmpty() && otherPricesList.items.isNotEmpty()) {
+                        addSectionedList(
+                            SectionedItemList.create(
+                                myPricesList,
+                                (header?.let { it + "\n" } ?: "") +
+                                        carContext.getString(R.string.chargeprice_header_my_tariffs)
+                            )
+                        )
+                        addSectionedList(
+                            SectionedItemList.create(
+                                otherPricesList,
+                                carContext.getString(R.string.chargeprice_header_other_tariffs)
+                            )
+                        )
+                    } else {
+                        val list =
+                            if (myPricesList.items.isNotEmpty()) myPricesList else otherPricesList
+                        if (header != null) {
+                            addSectionedList(SectionedItemList.create(list, header))
+                        } else {
+                            setSingleList(list)
+                        }
+                    }
+                } else {
+                    val list = buildPricesList(prices)
+                    if (header != null && list.items.isNotEmpty()) {
+                        addSectionedList(SectionedItemList.create(list, header))
+                    } else {
+                        setSingleList(list)
+                    }
+                }
             }
             setActionStrip(
                 ActionStrip.Builder().addAction(
@@ -84,41 +129,28 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
                             )
                         ).build()
                     ).setOnClickListener {
-                        val intent = CustomTabsIntent.Builder()
-                            .setDefaultColorSchemeParams(
-                                CustomTabColorSchemeParams.Builder()
-                                    .setToolbarColor(
-                                        ContextCompat.getColor(
-                                            carContext,
-                                            R.color.colorPrimary
-                                        )
-                                    )
-                                    .build()
-                            )
-                            .build().intent
-                        intent.data =
-                            Uri.parse(ChargepriceApi.getPoiUrl(charger))
-                        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
-                        try {
-                            carContext.startActivity(intent)
-                            CarToast.makeText(
-                                carContext,
-                                R.string.opened_on_phone,
-                                CarToast.LENGTH_LONG
-                            ).show()
-                        } catch (e: ActivityNotFoundException) {
-                            CarToast.makeText(
-                                carContext,
-                                R.string.no_browser_app_found,
-                                CarToast.LENGTH_LONG
-                            ).show()
-                        }
+                        openUrl(carContext, ChargepriceApi.getPoiUrl(charger))
                     }.build()
                 ).build()
             )
         }.build()
     }
 
+    private fun buildPricesList(prices: List<ChargePrice>?): ItemList {
+        return ItemList.Builder().apply {
+            setNoItemsMessage(
+                errorMessage
+                    ?: carContext.getString(R.string.chargeprice_no_tariffs_found)
+            )
+            prices?.forEach { price ->
+                addItem(Row.Builder().apply {
+                    setTitle(formatProvider(price))
+                    addText(formatPrice(price))
+                }.build())
+            }
+        }.build()
+    }
+
     private fun formatProvider(price: ChargePrice): String {
         if (!price.tariffName.startsWith(price.provider)) {
             return price.provider + " " + price.tariffName
@@ -128,19 +160,21 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
     }
 
     private fun formatPrice(price: ChargePrice): String {
+        val amount = price.chargepointPrices.first().price
+            ?: return "${carContext.getString(R.string.chargeprice_price_not_available)} (${price.chargepointPrices.first().noPriceReason})"
         val totalPrice = carContext.getString(
             R.string.charge_price_format,
-            price.chargepointPrices.first().price,
+            amount,
             currency(price.currency)
         )
-        val kwhPrice = if (price.chargepointPrices.first().price > 0f) {
+        val kwhPrice = if (amount > 0f) {
             carContext.getString(
                 if (price.chargepointPrices[0].priceDistribution.isOnlyKwh) {
                     R.string.charge_price_kwh_format
                 } else {
                     R.string.charge_price_average_format
                 },
-                price.chargepointPrices.get(0).price / meta!!.energy,
+                amount / meta!!.energy,
                 currency(price.currency)
             )
         } else null
@@ -172,13 +206,21 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
     }
 
     private fun loadPrices(model: Model?) {
-        val dataAdapter = ChargepriceApi.getDataAdapter(charger) ?: return
+        val dataAdapter = ChargepriceApi.getDataAdapter(charger)
         val manufacturer = model?.manufacturer?.value
         val modelName = getVehicleModel(model?.manufacturer?.value, model?.name?.value)
         lifecycleScope.launch {
             try {
                 val car = determineVehicle(manufacturer, modelName)
                 val cpStation = ChargepriceStation.fromEvmap(charger, car.compatibleEvmapConnectors)
+
+                if (cpStation.chargePoints.isEmpty()) {
+                    errorMessage =
+                        carContext.getString(R.string.chargeprice_no_compatible_connectors)
+                    invalidate()
+                    return@launch
+                }
+
                 val result = api.getChargePrices(
                     ChargepriceRequest(
                         dataAdapter = dataAdapter,
@@ -189,7 +231,8 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
                             providerCustomerTariffs = prefs.chargepriceShowProviderCustomerTariffs,
                             maxMonthlyFees = if (prefs.chargepriceNoBaseFee) 0.0 else null,
                             currency = prefs.chargepriceCurrency,
-                            allowUnbalancedLoad = prefs.chargepriceAllowUnbalancedLoad
+                            allowUnbalancedLoad = prefs.chargepriceAllowUnbalancedLoad,
+                            showPriceUnavailable = true
                         ),
                         relationships = if (!prefs.chargepriceMyTariffsAll) {
                             val myTariffs = prefs.chargepriceMyTariffs ?: emptySet()
@@ -213,10 +256,14 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
 
                 val myTariffs = prefs.chargepriceMyTariffs
 
-                // choose the highest power chargepoint compatible with the car
-                val chargepoint = cpStation.chargePoints.filterIndexed { i, cp ->
-                    charger.chargepointsMerged[i].type in car.compatibleEvmapConnectors
-                }.maxByOrNull { it.power }
+                // choose the highest power chargepoint
+                // (we have already filtered so that only compatible ones are included)
+                val chargepoint = cpStation.chargePoints.maxByOrNull { it.power }
+
+                val index = cpStation.chargePoints.indexOf(chargepoint)
+                this@ChargepriceScreen.chargepoint =
+                    charger.chargepoints.filter { equivalentPlugTypes(it.type).any { it in car.compatibleEvmapConnectors } }[index]
+
                 if (chargepoint == null) {
                     errorMessage =
                         carContext.getString(R.string.chargeprice_no_compatible_connectors)
@@ -226,11 +273,7 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
 
                 val metaMapped =
                     result.meta!!.map(ChargepriceMeta::class.java, ChargepriceApi.moshi)!!
-                meta = metaMapped.chargePoints.filterIndexed { i, cp ->
-                    charger.chargepointsMerged[i].type in car.compatibleEvmapConnectors
-                }.maxByOrNull {
-                    it.power
-                }
+                meta = metaMapped.chargePoints.maxByOrNull { it.power }
 
                 prices = result.data!!.map { cp ->
                     val filteredPrices =
@@ -245,10 +288,10 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
                         )
                     }
                 }.filterNotNull()
-                    .sortedBy { it.chargepointPrices.first().price }
+                    .sortedBy { it.chargepointPrices.first().price ?: Double.MAX_VALUE }
                     .sortedByDescending {
                         prefs.chargepriceMyTariffsAll ||
-                                myTariffs != null && it.tariff?.id in myTariffs
+                                myTariffs != null && it.tariffId in myTariffs
                     }
                 invalidate()
             } catch (e: IOException) {

app/src/google/java/net/vonforst/evmap/auto/ChargerDetailScreen.kt

@@ -1,10 +1,10 @@
 package net.vonforst.evmap.auto
 
 import android.content.Intent
-import android.graphics.Bitmap
-import android.graphics.Canvas
+import android.graphics.*
 import android.graphics.drawable.BitmapDrawable
 import android.net.Uri
+import android.text.SpannableString
 import android.text.SpannableStringBuilder
 import android.text.Spanned
 import androidx.car.app.CarContext
@@ -27,22 +27,27 @@ import net.vonforst.evmap.api.availability.ChargeLocationStatus
 import net.vonforst.evmap.api.availability.getAvailability
 import net.vonforst.evmap.api.chargeprice.ChargepriceApi
 import net.vonforst.evmap.api.createApi
+import net.vonforst.evmap.api.iconForPlugType
 import net.vonforst.evmap.api.nameForPlugType
 import net.vonforst.evmap.api.stringProvider
 import net.vonforst.evmap.model.ChargeLocation
+import net.vonforst.evmap.model.Cost
+import net.vonforst.evmap.model.FaultReport
 import net.vonforst.evmap.model.Favorite
 import net.vonforst.evmap.storage.AppDatabase
+import net.vonforst.evmap.storage.ChargeLocationsRepository
 import net.vonforst.evmap.storage.PreferenceDataSource
 import net.vonforst.evmap.ui.ChargerIconGenerator
 import net.vonforst.evmap.ui.availabilityText
 import net.vonforst.evmap.ui.getMarkerTint
 import net.vonforst.evmap.viewmodel.Status
-import net.vonforst.evmap.viewmodel.getReferenceData
+import net.vonforst.evmap.viewmodel.awaitFinished
 import java.time.ZoneId
 import java.time.format.DateTimeFormatter
 import java.time.format.FormatStyle
 import kotlin.math.roundToInt
 
+
 class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) : Screen(ctx) {
     var charger: ChargeLocation? = null
     var photo: Bitmap? = null
@@ -50,10 +55,8 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
 
     val prefs = PreferenceDataSource(ctx)
     private val db = AppDatabase.getInstance(carContext)
-    private val api by lazy {
-        createApi(prefs.dataSource, ctx)
-    }
-    private val referenceData = api.getReferenceData(lifecycleScope, carContext)
+    private val repo =
+        ChargeLocationsRepository(createApi(prefs.dataSource, ctx), lifecycleScope, db, prefs)
 
     private val imageSize = 128  // images should be 128dp according to docs
     private val imageSizeLarge = 480  // images should be 480 x 480 dp according to docs
@@ -61,9 +64,7 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
     private val iconGen =
         ChargerIconGenerator(carContext, null, height = imageSize)
 
-    private val maxRows = if (ctx.carAppApiLevel >= 2) {
-        ctx.constraintManager.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_PANE)
-    } else 2
+    private val maxRows = ctx.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_PANE)
     private val largeImageSupported =
         ctx.carAppApiLevel >= 4  // since API 4, Row.setImage is supported
 
@@ -71,9 +72,7 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
     private var favoriteUpdateJob: Job? = null
 
     init {
-        referenceData.observe(this) {
-            loadCharger()
-        }
+        loadCharger()
     }
 
     override fun onGetTemplate(): Template {
@@ -99,29 +98,29 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
                                 ).build()
                             )
                             .setTitle(carContext.getString(R.string.navigate))
+                            .setFlags(Action.FLAG_PRIMARY)
                         .setBackgroundColor(CarColor.PRIMARY)
                         .setOnClickListener {
                             navigateToCharger(charger)
                         }
                         .build())
-                    charger.chargepriceData?.country?.let { country ->
-                        if (ChargepriceApi.isCountrySupported(country, charger.dataSource)) {
-                            addAction(Action.Builder()
-                                .setIcon(
-                                    CarIcon.Builder(
-                                        IconCompat.createWithResource(
-                                            carContext,
-                                            R.drawable.ic_chargeprice
-                                        )
-                                    ).build()
-                                )
-                                .setTitle(carContext.getString(R.string.auto_prices))
+                        if (ChargepriceApi.isChargerSupported(charger)) {
+                            addAction(
+                                Action.Builder()
+                                    .setIcon(
+                                        CarIcon.Builder(
+                                            IconCompat.createWithResource(
+                                                carContext,
+                                                R.drawable.ic_chargeprice
+                                            )
+                                        ).build()
+                                    )
+                                    .setTitle(carContext.getString(R.string.auto_prices))
                                 .setOnClickListener {
                                     screenManager.push(ChargepriceScreen(carContext, charger))
                                 }
                                 .build())
                         }
-                    }
                 } ?: setLoading(true)
             }.build()
         ).apply {
@@ -244,15 +243,9 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
                 val operatorText = generateOperatorText(charger)
                 setTitle(operatorText)
 
-                charger.cost?.let { addText(it.getStatusText(carContext, emoji = true)) }
+                charger.cost?.let { addText(generateCostStatusText(it)) }
                 charger.faultReport?.let { fault ->
-                    addText(
-                        carContext.getString(
-                            R.string.auto_fault_report_date,
-                            fault.created?.atZone(ZoneId.systemDefault())
-                                ?.format(DateTimeFormatter.ofLocalizedDate(FormatStyle.SHORT))
-                        )
-                    )
+                    addText(generateFaultReportTitle(fault))
                 }
             }.build())
         } else {
@@ -267,20 +260,14 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
                 val operatorText = generateOperatorText(charger)
                 setTitle(operatorText)
                 charger.cost?.let {
-                    addText(it.getStatusText(carContext, emoji = true))
+                    addText(generateCostStatusText(it))
                     it.getDetailText()?.let { addText(it) }
                 }
             }.build())
             // row 3: fault report (if exists)
             charger.faultReport?.let { fault ->
                 rows.add(Row.Builder().apply {
-                    setTitle(
-                        carContext.getString(
-                            R.string.auto_fault_report_date,
-                            fault.created?.atZone(ZoneId.systemDefault())
-                                ?.format(DateTimeFormatter.ofLocalizedDate(FormatStyle.SHORT))
-                        )
-                    )
+                    setTitle(generateFaultReportTitle(fault))
                     fault.description?.let {
                         addText(
                             HtmlCompat.fromHtml(
@@ -305,18 +292,87 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
         return rows
     }
 
+    private fun generateCostStatusText(cost: Cost): CharSequence {
+        val string = SpannableString(cost.getStatusText(carContext, emoji = true))
+        // replace emoji with CarIcon
+        string.indexOf('⚡').takeIf { it >= 0 }?.let { index ->
+            string.setSpan(
+                CarIconSpan.create(
+                    CarIcon.Builder(
+                        IconCompat.createWithResource(
+                            carContext,
+                            R.drawable.ic_lightning
+                        )
+                    ).setTint(CarColor.YELLOW).build()
+                ), index, index + 1, SpannableString.SPAN_INCLUSIVE_EXCLUSIVE
+            )
+        }
+        string.indexOf('\uD83C').takeIf { it >= 0 }?.let { index ->
+            string.setSpan(
+                CarIconSpan.create(
+                    CarIcon.Builder(
+                        IconCompat.createWithResource(
+                            carContext,
+                            R.drawable.ic_parking
+                        )
+                    ).setTint(CarColor.BLUE).build()
+                ), index, index + 2, SpannableString.SPAN_INCLUSIVE_EXCLUSIVE
+            )
+        }
+        return string
+    }
+
+
+    private fun generateFaultReportTitle(fault: FaultReport): CharSequence {
+        val string = SpannableString(
+            carContext.getString(
+                R.string.auto_fault_report_date,
+                fault.created?.atZone(ZoneId.systemDefault())
+                    ?.format(DateTimeFormatter.ofLocalizedDate(FormatStyle.SHORT))
+            )
+        )
+        // replace emoji with CarIcon
+        string.setSpan(
+            CarIconSpan.create(
+                CarIcon.Builder(
+                    IconCompat.createWithResource(
+                        carContext,
+                        R.drawable.ic_fault_report
+                    )
+                ).setTint(CarColor.YELLOW).build()
+            ), 0, 1, SpannableString.SPAN_INCLUSIVE_EXCLUSIVE
+        )
+        return string
+    }
+
     private fun generateChargepointsText(charger: ChargeLocation): SpannableStringBuilder {
         val chargepointsText = SpannableStringBuilder()
         charger.chargepointsMerged.forEachIndexed { i, cp ->
-            if (i > 0) chargepointsText.append(" · ")
-            chargepointsText.append(
-                "${cp.count}× ${
-                    nameForPlugType(
-                        carContext.stringProvider(),
-                        cp.type
+            chargepointsText.apply {
+                if (i > 0) append(" · ")
+                append("${cp.count}× ")
+                val plugIcon = iconForPlugType(cp.type)
+                if (plugIcon != 0) {
+                    append(
+                        nameForPlugType(carContext.stringProvider(), cp.type),
+                        CarIconSpan.create(
+                            CarIcon.Builder(
+                                IconCompat.createWithResource(
+                                    carContext,
+                                    plugIcon
+                                )
+                            ).setTint(
+                                CarColor.createCustom(Color.WHITE, Color.BLACK)
+                            ).build()
+                        ),
+                        Spanned.SPAN_INCLUSIVE_EXCLUSIVE
                     )
-                } ${cp.formatPower()}"
-            )
+                } else {
+                    append(nameForPlugType(carContext.stringProvider(), cp.type))
+                }
+                append(" ")
+                append(cp.formatPower())
+            }
             availability?.status?.get(cp)?.let { status ->
                 chargepointsText.append(
                     " (${availabilityText(status)}/${cp.count})",
@@ -356,24 +412,23 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
     }
 
     private fun loadCharger() {
-        val referenceData = referenceData.value ?: return
         lifecycleScope.launch {
             favorite = db.favoritesDao().findFavorite(chargerSparse.id, chargerSparse.dataSource)
 
-            val response = api.getChargepointDetail(referenceData, chargerSparse.id)
+            val response = repo.getChargepointDetail(chargerSparse.id).awaitFinished()
             if (response.status == Status.SUCCESS) {
                 val charger = response.data!!
+                this@ChargerDetailScreen.charger = charger
+                invalidate()
 
                 val photo = charger.photos?.firstOrNull()
                 photo?.let {
                     val density = carContext.resources.displayMetrics.density
-                    val url = if (largeImageSupported) {
-                        photo.getUrl(size = (imageSizeLarge * density).roundToInt())
-                    } else {
-                        photo.getUrl(size = (imageSize * density).roundToInt())
-                    }
+                    val size =
+                        (density * if (largeImageSupported) imageSizeLarge else imageSize).roundToInt()
+                    val url = photo.getUrl(size = size)
                     val request = ImageRequest.Builder(carContext).data(url).build()
-                    var img =
+                    val img =
                         (carContext.imageLoader.execute(request).drawable as BitmapDrawable).bitmap
 
                     // draw icon on top of image
@@ -383,21 +438,32 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
                         multi = charger.isMulti()
                     )
 
-                    img = img.copy(Bitmap.Config.ARGB_8888, true)
+                    val outImg = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888)
                     val iconSmall = icon.scale(
-                        (img.height * 0.4 / icon.height * icon.width).roundToInt(),
-                        (img.height * 0.4).roundToInt()
+                        (size * 0.4 / icon.height * icon.width).roundToInt(),
+                        (size * 0.4).roundToInt()
+                    )
+                    val canvas = Canvas(outImg)
+
+                    val m = Matrix()
+                    m.setRectToRect(
+                        RectF(0f, 0f, img.width.toFloat(), img.height.toFloat()),
+                        RectF(0f, 0f, size.toFloat(), size.toFloat()),
+                        Matrix.ScaleToFit.CENTER
+                    )
+                    canvas.drawBitmap(
+                        img.copy(Bitmap.Config.ARGB_8888, false), m, null
                     )
-                    val canvas = Canvas(img)
                     canvas.drawBitmap(
                         iconSmall,
                         0f,
-                        (img.height - iconSmall.height * 1.1).toFloat(),
+                        (size - iconSmall.height * 1.1).toFloat(),
                         null
                     )
-                    this@ChargerDetailScreen.photo = img
+                    this@ChargerDetailScreen.photo = outImg
                 }
-                this@ChargerDetailScreen.charger = charger
+
+                invalidate()
 
                 availability = getAvailability(charger).data
 

app/src/google/java/net/vonforst/evmap/auto/FilterScreen.kt

@@ -1,6 +1,8 @@
 package net.vonforst.evmap.auto
 
 import android.app.Application
+import android.os.Handler
+import android.os.Looper
 import android.text.SpannableStringBuilder
 import android.text.Spanned
 import androidx.car.app.CarContext
@@ -11,6 +13,7 @@ import androidx.car.app.model.*
 import androidx.core.graphics.drawable.IconCompat
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.map
 import kotlinx.coroutines.launch
 import net.vonforst.evmap.R
 import net.vonforst.evmap.model.*
@@ -24,15 +27,22 @@ import kotlin.math.roundToInt
 class FilterScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx) {
     private val prefs = PreferenceDataSource(ctx)
     private val db = AppDatabase.getInstance(ctx)
-    val filterProfiles: LiveData<List<FilterProfile>> by lazy {
+    private val filterProfiles: LiveData<List<FilterProfile>> by lazy {
         db.filterProfileDao().getProfiles(prefs.dataSource)
     }
-    private val maxRows = if (ctx.carAppApiLevel >= 2) {
-        ctx.constraintManager.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_LIST)
-    } else 6
+
+    private val maxRows = ctx.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_LIST)
+    private val supportsRefresh = ctx.isAppDrivenRefreshSupported
+    private var page = 0
 
     init {
         filterProfiles.observe(this) {
+            val filterStatus = prefs.filterStatus
+            if (filterStatus in listOf(FILTERS_DISABLED, FILTERS_FAVORITES, FILTERS_CUSTOM)) {
+                page = 0
+            } else {
+                page = paginateProfiles(it).indexOfFirst { it.any { it.id == filterStatus } }
+            }
             invalidate()
         }
     }
@@ -40,37 +50,27 @@ class FilterScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx) {
     override fun onGetTemplate(): Template {
         val filterStatus = prefs.filterStatus
         return ListTemplate.Builder().apply {
+            var title = carContext.getString(R.string.menu_filter)
+
             filterProfiles.value?.let {
-                setSingleList(buildFilterProfilesList(it, filterStatus))
+                val paginatedProfiles = paginateProfiles(it)
+                setSingleList(buildFilterProfilesList(paginatedProfiles, filterStatus))
+
+                val numPages = paginatedProfiles.size
+                if (numPages > 1) {
+                    title += " " + carContext.getString(
+                        R.string.auto_multipage,
+                        page + 1,
+                        numPages
+                    )
+                }
             } ?: setLoading(true)
-            setTitle(carContext.getString(R.string.menu_filter))
+
+            setTitle(title)
+
             setHeaderAction(Action.BACK)
             setActionStrip(
                 ActionStrip.Builder().apply {
-                    addAction(Action.Builder().apply {
-                        setIcon(
-                            CarIcon.Builder(
-                                IconCompat.createWithResource(
-                                    carContext,
-                                    if (prefs.placeSearchResultAndroidAuto != null) {
-                                        R.drawable.ic_search_off
-                                    } else {
-                                        R.drawable.ic_search
-                                    }
-                                )
-                            ).build()
-
-                        )
-                        setOnClickListener(ParkedOnlyOnClickListener.create {
-                            if (prefs.placeSearchResultAndroidAuto != null) {
-                                prefs.placeSearchResultAndroidAutoName = null
-                                prefs.placeSearchResultAndroidAuto = null
-                                screenManager.pop()
-                            } else {
-                                screenManager.push(PlaceSearchScreen(carContext, session))
-                            }
-                        })
-                    }.build())
                     addAction(Action.Builder().apply {
                         setIcon(
                             CarIcon.Builder(
@@ -79,7 +79,6 @@ class FilterScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx) {
                                     R.drawable.ic_edit
                                 )
                             ).build()
-
                         )
                         setOnClickListener(ParkedOnlyOnClickListener.create {
                             lifecycleScope.launch {
@@ -94,47 +93,148 @@ class FilterScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx) {
         }.build()
     }
 
+    private fun paginateProfiles(filterProfiles: List<FilterProfile>): List<List<FilterProfile>> {
+        val filterStatus = prefs.filterStatus
+        val extraRows = if (FILTERS_CUSTOM == filterStatus) 3 else 2
+        return filterProfiles.paginate(
+            maxRows - extraRows,
+            maxRows - extraRows - 1,
+            maxRows - 2,
+            maxRows - 1
+        )
+    }
+
     private fun buildFilterProfilesList(
-        profiles: List<FilterProfile>,
+        paginatedProfiles: List<List<FilterProfile>>,
         filterStatus: Long
     ): ItemList {
-        val extraRows = if (FILTERS_CUSTOM == filterStatus) 3 else 2
-        val profilesToShow =
-            profiles.sortedByDescending { it.id == filterStatus }.take(maxRows - extraRows)
         return ItemList.Builder().apply {
-            addItem(Row.Builder().apply {
-                setTitle(carContext.getString(R.string.no_filters))
-            }.build())
-            addItem(Row.Builder().apply {
-                setTitle(carContext.getString(R.string.filter_favorites))
-            }.build())
-            profilesToShow.forEach {
+            if (page > 0) {
+                addItem(Row.Builder().apply {
+                    setTitle(
+                        CarText.Builder(
+                            carContext.getString(R.string.auto_multipage_goto, page)
+                        ).build()
+                    )
+                    setImage(
+                        CarIcon.Builder(
+                            IconCompat.createWithResource(
+                                carContext,
+                                R.drawable.ic_arrow_back
+                            )
+                        ).build(),
+                        Row.IMAGE_TYPE_ICON
+                    )
+                    setOnClickListener {
+                        page -= 1
+                        if (!supportsRefresh) {
+                            screenManager.pushForResult(DummyReturnScreen(carContext)) {
+                                Handler(Looper.getMainLooper()).post {
+                                    invalidate()
+                                }
+                            }
+                        } else {
+                            invalidate()
+                        }
+                    }
+                }.build())
+            }
+
+            if (page == 0) {
+                addItem(Row.Builder().apply {
+                    val active = filterStatus == FILTERS_DISABLED
+                    setTitle(carContext.getString(R.string.no_filters))
+                    setImage(
+                        CarIcon.Builder(
+                            IconCompat.createWithResource(
+                                carContext,
+                                R.drawable.ic_close
+                            )
+                        ).setTint(if (active) CarColor.SECONDARY else CarColor.DEFAULT)
+                            .build(),
+                        Row.IMAGE_TYPE_ICON
+                    )
+                    setOnClickListener { onItemClick(FILTERS_DISABLED) }
+                }.build())
+                addItem(Row.Builder().apply {
+                    val active = filterStatus == FILTERS_FAVORITES
+                    setTitle(carContext.getString(R.string.filter_favorites))
+                    setImage(
+                        CarIcon.Builder(
+                            IconCompat.createWithResource(
+                                carContext,
+                                R.drawable.ic_fav
+                            )
+                        ).setTint(if (active) CarColor.SECONDARY else CarColor.DEFAULT)
+                            .build(),
+                        Row.IMAGE_TYPE_ICON
+                    )
+                    setOnClickListener { onItemClick(FILTERS_FAVORITES) }
+                }.build())
+                if (FILTERS_CUSTOM == filterStatus) {
+                    addItem(Row.Builder().apply {
+                        setTitle(carContext.getString(R.string.filter_custom))
+                        setImage(
+                            CarIcon.Builder(
+                                IconCompat.createWithResource(
+                                    carContext,
+                                    R.drawable.ic_checkbox_checked
+                                )
+                            ).setTint(CarColor.PRIMARY).build(),
+                            Row.IMAGE_TYPE_ICON
+                        )
+                        setOnClickListener { onItemClick(FILTERS_CUSTOM) }
+                    }.build())
+                }
+            }
+            paginatedProfiles[page].forEach {
                 addItem(Row.Builder().apply {
                     val name =
                         it.name.ifEmpty { carContext.getString(R.string.unnamed_filter_profile) }
+                    val active = filterStatus == it.id
                     setTitle(name)
+                    setImage(
+                        if (active)
+                            CarIcon.Builder(
+                                IconCompat.createWithResource(
+                                    carContext,
+                                    R.drawable.ic_check
+                                )
+                            ).setTint(CarColor.SECONDARY).build() else emptyCarIcon,
+                        Row.IMAGE_TYPE_ICON
+                    )
+                    setOnClickListener { onItemClick(it.id) }
                 }.build())
             }
-            if (FILTERS_CUSTOM == filterStatus) {
+            if (page < paginatedProfiles.size - 1) {
                 addItem(Row.Builder().apply {
-                    setTitle(carContext.getString(R.string.filter_custom))
-                }.build())
-            }
-            setSelectedIndex(when (filterStatus) {
-                FILTERS_DISABLED -> 0
-                FILTERS_FAVORITES -> 1
-                FILTERS_CUSTOM -> profilesToShow.size + 2
-                else -> profilesToShow.indexOfFirst { it.id == filterStatus } + 2
-            })
-            setOnSelectedListener { index ->
-                onItemClick(
-                    when (index) {
-                        0 -> FILTERS_DISABLED
-                        1 -> FILTERS_FAVORITES
-                        profilesToShow.size + 2 -> FILTERS_CUSTOM
-                        else -> profilesToShow[index - 2].id
+                    setTitle(
+                        CarText.Builder(
+                            carContext.getString(R.string.auto_multipage_goto, page + 2)
+                        ).build()
+                    )
+                    setImage(
+                        CarIcon.Builder(
+                            IconCompat.createWithResource(
+                                carContext,
+                                R.drawable.ic_arrow_forward
+                            )
+                        ).build(),
+                        Row.IMAGE_TYPE_ICON
+                    )
+                    setOnClickListener {
+                        page += 1
+                        if (!supportsRefresh) {
+                            screenManager.pushForResult(DummyReturnScreen(carContext)) {
+                                Handler(Looper.getMainLooper()).post {
+                                    invalidate()
+                                }
+                            }
+                        } else {
+                            invalidate()
+                        }
                     }
-                )
+                }.build())
             }
         }.build()
     }
@@ -149,12 +249,16 @@ class FilterScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx) {
 class EditFiltersScreen(ctx: CarContext) : Screen(ctx) {
     private val vm = FilterViewModel(carContext.applicationContext as Application)
 
-    private val maxRows = if (ctx.carAppApiLevel >= 2) {
-        ctx.constraintManager.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_LIST)
-    } else 6
+    private val maxRows = ctx.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_LIST)
+    private val supportsRefresh = ctx.isAppDrivenRefreshSupported
+
+    private var page = 0
+    private var paginatedFilters = vm.filtersWithValue.map {
+        it?.paginate(maxRows, maxRows - 1, maxRows - 2, maxRows - 1)
+    }
 
     init {
-        vm.filtersWithValue.observe(this) {
+        paginatedFilters.observe(this) {
             vm.filterProfile.observe(this) {
                 invalidate()
             }
@@ -165,18 +269,28 @@ class EditFiltersScreen(ctx: CarContext) : Screen(ctx) {
         val currentProfileName = vm.filterProfile.value?.name
 
         return ListTemplate.Builder().apply {
-            vm.filtersWithValue.value?.let { filtersWithValue ->
-                setSingleList(buildFiltersList(filtersWithValue.take(maxRows)))
+            paginatedFilters.value?.let { paginatedFilters ->
+                setSingleList(buildFiltersList(paginatedFilters))
             } ?: setLoading(true)
 
-            setTitle(currentProfileName?.let {
+            var title = currentProfileName?.let {
                 carContext.getString(
                     R.string.edit_filter_profile,
-                    it
+                    it,
                 )
-            } ?: carContext.getString(R.string.menu_filter))
+            } ?: carContext.getString(R.string.menu_filter)
+            val numPages = paginatedFilters.value?.size ?: 0
+            if (numPages > 1) {
+                title += " " + carContext.getString(
+                    R.string.auto_multipage,
+                    page + 1,
+                    numPages
+                )
+            }
+            setTitle(title)
 
             setHeaderAction(Action.BACK)
+
             setActionStrip(ActionStrip.Builder().apply {
                 val currentProfile = vm.filterProfile.value
                 if (currentProfile != null) {
@@ -218,29 +332,65 @@ class EditFiltersScreen(ctx: CarContext) : Screen(ctx) {
                             ).build()
                         )
                         .setOnClickListener {
-                        val textPromptScreen = TextPromptScreen(
-                            carContext,
-                            R.string.save_as_profile,
-                            R.string.save_profile_enter_name,
-                            currentProfileName
-                        )
-                        screenManager.pushForResult(textPromptScreen) { name ->
-                            if (name == null) return@pushForResult
-                            lifecycleScope.launch {
-                                vm.saveAsProfile(name as String)
-                                screenManager.popTo(MapScreen.MARKER)
+                            val textPromptScreen = TextPromptScreen(
+                                carContext,
+                                R.string.save_as_profile,
+                                R.string.save_profile_enter_name,
+                                currentProfileName
+                            )
+                            screenManager.pushForResult(textPromptScreen) { name ->
+                                if (name == null) return@pushForResult
+                                var saveSuccess = false
+                                lifecycleScope.launch {
+                                    saveSuccess = vm.saveAsProfile(name as String)
+                                    screenManager.popTo(MapScreen.MARKER)
+                                }
+                                if (!saveSuccess) return@pushForResult
                             }
+                            invalidate()
                         }
-                    }
-                    .build()
+                        .build()
                 )
-            }.build())
+            }
+                .build())
         }.build()
     }
 
-    private fun buildFiltersList(filters: List<FilterWithValue<out FilterValue>>): ItemList {
+    private fun buildFiltersList(paginatedFilters: List<FilterValues>): ItemList {
+
         return ItemList.Builder().apply {
-            filters.forEach {
+            if (page > 0) {
+                addItem(Row.Builder().apply {
+                    setTitle(
+                        CarText.Builder(
+                            carContext.getString(R.string.auto_multipage_goto, page)
+                        ).build()
+                    )
+                    setImage(
+                        CarIcon.Builder(
+                            IconCompat.createWithResource(
+                                carContext,
+                                R.drawable.ic_arrow_back
+                            )
+                        ).build(),
+                        Row.IMAGE_TYPE_ICON
+                    )
+                    setOnClickListener {
+                        page -= 1
+                        if (!supportsRefresh) {
+                            screenManager.pushForResult(DummyReturnScreen(carContext)) {
+                                Handler(Looper.getMainLooper()).post {
+                                    invalidate()
+                                }
+                            }
+                        } else {
+                            invalidate()
+                        }
+                    }
+                }.build())
+            }
+
+            paginatedFilters[page].forEach {
                 val filter = it.filter
                 val value = it.value
                 addItem(Row.Builder().apply {
@@ -294,6 +444,37 @@ class EditFiltersScreen(ctx: CarContext) : Screen(ctx) {
                     }
                 }.build())
             }
+
+            if (page < paginatedFilters.size - 1) {
+                addItem(Row.Builder().apply {
+                    setTitle(
+                        CarText.Builder(
+                            carContext.getString(R.string.auto_multipage_goto, page + 2)
+                        ).build()
+                    )
+                    setImage(
+                        CarIcon.Builder(
+                            IconCompat.createWithResource(
+                                carContext,
+                                R.drawable.ic_arrow_forward
+                            )
+                        ).build(),
+                        Row.IMAGE_TYPE_ICON
+                    )
+                    setOnClickListener {
+                        page += 1
+                        if (!supportsRefresh) {
+                            screenManager.pushForResult(DummyReturnScreen(carContext)) {
+                                Handler(Looper.getMainLooper()).post {
+                                    invalidate()
+                                }
+                            }
+                        } else {
+                            invalidate()
+                        }
+                    }
+                }.build())
+            }
         }.build()
     }
 }

app/src/google/java/net/vonforst/evmap/auto/MapScreen.kt

@@ -2,18 +2,24 @@ package net.vonforst.evmap.auto
 
 import android.content.pm.PackageManager
 import android.location.Location
+import android.os.Handler
+import android.os.Looper
 import android.text.SpannableStringBuilder
 import android.text.Spanned
 import androidx.car.app.CarContext
-import androidx.car.app.CarToast
 import androidx.car.app.Screen
 import androidx.car.app.constraints.ConstraintManager
 import androidx.car.app.hardware.CarHardwareManager
+import androidx.car.app.hardware.info.CarInfo
+import androidx.car.app.hardware.info.CarSensors
+import androidx.car.app.hardware.info.Compass
 import androidx.car.app.hardware.info.EnergyLevel
 import androidx.car.app.model.*
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.drawable.IconCompat
-import androidx.lifecycle.*
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.lifecycleScope
 import com.car2go.maps.model.LatLng
 import kotlinx.coroutines.*
 import net.vonforst.evmap.BuildConfig
@@ -24,19 +30,25 @@ import net.vonforst.evmap.api.createApi
 import net.vonforst.evmap.api.stringProvider
 import net.vonforst.evmap.model.ChargeLocation
 import net.vonforst.evmap.model.FILTERS_FAVORITES
+import net.vonforst.evmap.model.FilterValue
+import net.vonforst.evmap.model.FilterWithValue
 import net.vonforst.evmap.storage.AppDatabase
+import net.vonforst.evmap.storage.ChargeLocationsRepository
 import net.vonforst.evmap.storage.PreferenceDataSource
 import net.vonforst.evmap.ui.availabilityText
 import net.vonforst.evmap.ui.getMarkerTint
+import net.vonforst.evmap.utils.bearingBetween
 import net.vonforst.evmap.utils.distanceBetween
+import net.vonforst.evmap.utils.headingDiff
+import net.vonforst.evmap.viewmodel.Status
+import net.vonforst.evmap.viewmodel.awaitFinished
 import net.vonforst.evmap.viewmodel.filtersWithValue
-import net.vonforst.evmap.viewmodel.getFilterValues
-import net.vonforst.evmap.viewmodel.getReferenceData
 import java.io.IOException
 import java.time.Duration
 import java.time.Instant
 import java.time.ZonedDateTime
 import kotlin.collections.set
+import kotlin.math.abs
 import kotlin.math.min
 import kotlin.math.roundToInt
 
@@ -59,34 +71,34 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
 
     private var location: Location? = null
     private var lastDistanceUpdateTime: Instant? = null
+    private var lastChargersUpdateTime: Instant? = null
     private var chargers: List<ChargeLocation>? = null
+    private var loadingError = false
+    private var locationError = false
     private var prefs = PreferenceDataSource(ctx)
     private val db = AppDatabase.getInstance(carContext)
-    private val api by lazy {
-        createApi(prefs.dataSource, ctx)
-    }
+    private val repo =
+        ChargeLocationsRepository(createApi(prefs.dataSource, ctx), lifecycleScope, db, prefs)
     private val searchRadius = 5 // kilometers
     private val distanceUpdateThreshold = Duration.ofSeconds(15)
     private val availabilityUpdateThreshold = Duration.ofMinutes(1)
+    private val chargersUpdateThresholdDistance = 500  // meters
+    private val chargersUpdateThresholdTime = Duration.ofSeconds(30)
     private var availabilities: MutableMap<Long, Pair<ZonedDateTime, ChargeLocationStatus?>> =
         HashMap()
-    private val maxRows = if (ctx.carAppApiLevel >= 2) {
-        ctx.constraintManager.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_PLACE_LIST)
-    } else 6
+    private val maxRows =
+        min(ctx.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_PLACE_LIST), 25)
+    private val supportsRefresh = ctx.isAppDrivenRefreshSupported
 
-    private val referenceData = api.getReferenceData(lifecycleScope, carContext)
-    private val filterStatus = MutableLiveData<Long>().apply {
-        value = prefs.filterStatus
-    }
-    private val filterValues = db.filterValueDao().getFilterValues(filterStatus, prefs.dataSource)
-    private val filters =
-        Transformations.map(referenceData) { api.getFilters(it, carContext.stringProvider()) }
-    private val filtersWithValue = filtersWithValue(filters, filterValues)
+    private var filterStatus = prefs.filterStatus
+    private var filtersWithValue: List<FilterWithValue<FilterValue>>? = null
 
-    private val hardwareMan: CarHardwareManager by lazy {
-        ctx.getCarService(CarContext.HARDWARE_SERVICE) as CarHardwareManager
+    private val carInfo: CarInfo by lazy {
+        (ctx.getCarService(CarContext.HARDWARE_SERVICE) as CarHardwareManager).carInfo
     }
+    private val carSensors: CarSensors by lazy { carContext.patchedCarSensors }
     private var energyLevel: EnergyLevel? = null
+    private var heading: Compass? = null
     private val permissions = if (BuildConfig.FLAVOR_automotive == "automotive") {
         listOf(
             "android.car.permission.CAR_ENERGY",
@@ -107,32 +119,36 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
     }
 
     override fun onGetTemplate(): Template {
-        session.requestLocationUpdates()
-
         session.mapScreen = this
         return PlaceListMapTemplate.Builder().apply {
             setTitle(
                 prefs.placeSearchResultAndroidAutoName?.let {
                     carContext.getString(R.string.auto_chargers_near_location, it)
                 } ?: carContext.getString(
-                    if (filterStatus.value == FILTERS_FAVORITES) {
+                    if (filterStatus == FILTERS_FAVORITES) {
                         R.string.auto_favorites
                     } else {
                         R.string.auto_chargers_closeby
                     }
                 )
             )
-            searchLocation?.let {
-                setAnchor(Place.Builder(CarLocation.create(it.latitude, it.longitude)).apply {
-                    if (prefs.placeSearchResultAndroidAutoName != null) {
-                        setMarker(
-                            PlaceMarker.Builder()
-                                .setColor(CarColor.PRIMARY)
-                                .build()
-                        )
-                    }
-                }.build())
-            } ?: setLoading(true)
+            if (prefs.placeSearchResultAndroidAutoName != null) {
+                searchLocation?.let {
+                    setAnchor(Place.Builder(CarLocation.create(it.latitude, it.longitude)).apply {
+                        if (prefs.placeSearchResultAndroidAutoName != null) {
+                            setMarker(
+                                PlaceMarker.Builder()
+                                    .setColor(CarColor.PRIMARY)
+                                    .build()
+                            )
+                        }
+                    }.build())
+                }
+            } else {
+                location?.let {
+                    setAnchor(Place.Builder(CarLocation.create(it.latitude, it.longitude)).build())
+                }
+            }
             chargers?.take(maxRows)?.let { chargerList ->
                 val builder = ItemList.Builder()
                 // only show the city if not all chargers are in the same city
@@ -142,7 +158,7 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
                 }
                 builder.setNoItemsMessage(
                     carContext.getString(
-                        if (filterStatus.value == FILTERS_FAVORITES) {
+                        if (filterStatus == FILTERS_FAVORITES) {
                             R.string.auto_no_favorites_found
                         } else {
                             R.string.auto_no_chargers_found
@@ -151,31 +167,89 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
                 )
                 builder.setOnItemsVisibilityChangedListener(this@MapScreen)
                 setItemList(builder.build())
-            } ?: setLoading(true)
+            } ?: run {
+                if (loadingError) {
+                    val builder = ItemList.Builder()
+                    builder.setNoItemsMessage(
+                        carContext.getString(R.string.connection_error)
+                    )
+                    setItemList(builder.build())
+                } else if (locationError) {
+                    val builder = ItemList.Builder()
+                    builder.setNoItemsMessage(
+                        carContext.getString(R.string.location_error)
+                    )
+                    setItemList(builder.build())
+                } else {
+                    setLoading(true)
+                }
+            }
             setCurrentLocationEnabled(true)
             setHeaderAction(Action.APP_ICON)
-            val filtersCount = if (filterStatus.value == FILTERS_FAVORITES) 1 else {
-                filtersWithValue.value?.count {
+            val filtersCount = if (filterStatus == FILTERS_FAVORITES) 1 else {
+                filtersWithValue?.count {
                     !it.value.hasSameValueAs(it.filter.defaultValue())
                 }
             }
 
             setActionStrip(
                 ActionStrip.Builder()
-                    .addAction(Action.Builder()
-                        .setIcon(
-                            CarIcon.Builder(
-                                IconCompat.createWithResource(
+                    .addAction(
+                        Action.Builder()
+                            .setIcon(
+                                CarIcon.Builder(
+                                    IconCompat.createWithResource(
                                     carContext,
                                     R.drawable.ic_settings
                                 )
                             ).setTint(CarColor.DEFAULT).build()
                         )
                         .setOnClickListener {
-                            screenManager.push(SettingsScreen(carContext))
+                            screenManager.push(SettingsScreen(carContext, session))
                             session.mapScreen = null
                         }
                         .build())
+                    .addAction(Action.Builder().apply {
+                        setIcon(
+                            CarIcon.Builder(
+                                IconCompat.createWithResource(
+                                    carContext,
+                                    if (prefs.placeSearchResultAndroidAuto != null) {
+                                        R.drawable.ic_search_off
+                                    } else {
+                                        R.drawable.ic_search
+                                    }
+                                )
+                            ).build()
+
+                        )
+                        setOnClickListener {
+                            if (prefs.placeSearchResultAndroidAuto != null) {
+                                prefs.placeSearchResultAndroidAutoName = null
+                                prefs.placeSearchResultAndroidAuto = null
+                                if (!supportsRefresh) {
+                                    screenManager.pushForResult(DummyReturnScreen(carContext)) {
+                                        chargers = null
+                                        loadChargers()
+                                    }
+                                } else {
+                                    chargers = null
+                                    loadChargers()
+                                }
+                            } else {
+                                screenManager.pushForResult(
+                                    PlaceSearchScreen(
+                                        carContext,
+                                        session
+                                    )
+                                ) {
+                                    chargers = null
+                                    loadChargers()
+                                }
+                                session.mapScreen = null
+                            }
+                        }
+                    }.build())
                     .addAction(
                         Action.Builder()
                             .setIcon(
@@ -189,14 +263,16 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
                                     .build()
                             )
                             .setOnClickListener {
-                                screenManager.pushForResult(FilterScreen(carContext, session)) {
-                                    filterStatus.value = prefs.filterStatus
-                                }
+                                screenManager.push(FilterScreen(carContext, session))
                                 session.mapScreen = null
                             }
                             .build())
                     .build())
-            setOnContentRefreshListener(this@MapScreen)
+            if (carContext.carAppApiLevel >= 5 ||
+                (BuildConfig.FLAVOR_automotive == "automotive" && carContext.carAppApiLevel >= 4)
+            ) {
+                setOnContentRefreshListener(this@MapScreen)
+            }
         }.build()
     }
 
@@ -259,7 +335,7 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
             availabilities[charger.id]?.second?.let { av ->
                 val status = av.status.values.flatten()
                 val available = availabilityText(status)
-                val total = charger.chargepoints.sumBy { it.count }
+                val total = charger.chargepoints.sumOf { it.count }
 
                 if (text.isNotEmpty()) text.append(" · ")
                 text.append(
@@ -289,9 +365,10 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
         ) {
             return
         }
+        val previousLocation = this.location
         this.location = location
-        if (updateCoroutine != null) {
-            // don't update while still loading last update
+        if (previousLocation == null) {
+            loadChargers()
             return
         }
 
@@ -303,21 +380,43 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
             // update displayed distances
             invalidate()
         }
+
+        // if chargers are searched around current location, consider app-driven refresh
+        val searchLocation =
+            if (prefs.placeSearchResultAndroidAuto == null) searchLocation else null
+        val distance = searchLocation?.let {
+            distanceBetween(
+                it.latitude, it.longitude, location.latitude, location.longitude
+            )
+        } ?: 0.0
+        if (supportsRefresh && (lastChargersUpdateTime == null ||
+                    Duration.between(
+                        lastChargersUpdateTime,
+                        now
+                    ) > chargersUpdateThresholdTime) && (distance > chargersUpdateThresholdDistance)
+        ) {
+            onContentRefreshRequested()
+        }
     }
 
     private fun loadChargers() {
         val location = location ?: return
-        val referenceData = referenceData.value ?: return
-        val filters = filtersWithValue.value ?: return
 
         val searchLocation =
             prefs.placeSearchResultAndroidAuto ?: LatLng.fromLocation(location)
         this.searchLocation = searchLocation
 
         updateCoroutine = lifecycleScope.launch {
+            loadingError = false
             try {
+                filterStatus = prefs.filterStatus
+                val filterValues =
+                    db.filterValueDao().getFilterValuesAsync(filterStatus, prefs.dataSource)
+                val filters = repo.getFiltersAsync(carContext.stringProvider())
+                filtersWithValue = filtersWithValue(filters, filterValues)
+
                 // load chargers
-                if (filterStatus.value == FILTERS_FAVORITES) {
+                if (filterStatus == FILTERS_FAVORITES) {
                     chargers =
                         db.favoritesDao().getAllFavoritesAsync().map { it.charger }.sortedBy {
                             distanceBetween(
@@ -326,62 +425,112 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
                             )
                         }
                 } else {
-                    val response = api.getChargepointsRadius(
-                        referenceData,
-                        searchLocation,
-                        searchRadius,
-                        zoom = 16f,
-                        filters
-                    )
-                    chargers = response.data?.filterIsInstance(ChargeLocation::class.java)
-                    chargers?.let {
-                        if (it.size < maxRows) {
-                            // try again with larger radius
-                            val response = api.getChargepointsRadius(
-                                referenceData,
-                                searchLocation,
-                                searchRadius * 10,
-                                zoom = 16f,
-                                filters
+                    // try multiple search radii until we have enough chargers
+                    var chargers: List<ChargeLocation>? = null
+                    for (radius in listOf(searchRadius, searchRadius * 10, searchRadius * 50)) {
+                        val response = repo.getChargepointsRadius(
+                            searchLocation,
+                            radius,
+                            zoom = 16f,
+                            filtersWithValue
+                        ).awaitFinished()
+                        if (response.status == Status.ERROR) {
+                            loadingError = true
+                            this@MapScreen.chargers = null
+                            invalidate()
+                            return@launch
+                        }
+                        chargers = response.data?.filterIsInstance(ChargeLocation::class.java)
+                        if (prefs.placeSearchResultAndroidAutoName == null) {
+                            chargers = headingFilter(
+                                chargers,
+                                searchLocation
                             )
-                            chargers =
-                                response.data?.filterIsInstance(ChargeLocation::class.java)
+                        }
+                        if (chargers == null || chargers.size >= maxRows) {
+                            break
                         }
                     }
+                    this@MapScreen.chargers = chargers
                 }
 
                 updateCoroutine = null
+                lastChargersUpdateTime = Instant.now()
                 lastDistanceUpdateTime = Instant.now()
                 invalidate()
             } catch (e: IOException) {
-                withContext(Dispatchers.Main) {
-                    CarToast.makeText(carContext, R.string.connection_error, CarToast.LENGTH_LONG)
-                        .show()
-                }
+                loadingError = true
+                invalidate()
             }
         }
     }
 
+    /**
+     * Filters by heading if heading available and enabled
+     */
+    private fun headingFilter(
+        chargers: List<ChargeLocation>?,
+        searchLocation: LatLng
+    ): List<ChargeLocation>? {
+        // use compass heading if available, otherwise fall back to GPS
+        val location = location
+        val heading = heading?.orientations?.value?.get(0)
+            ?: if (location?.hasBearing() == true) location.bearing else null
+        return heading?.let {
+            if (!prefs.showChargersAheadAndroidAuto) return@let chargers
+
+            chargers?.filter {
+                val bearing = bearingBetween(
+                    searchLocation.latitude,
+                    searchLocation.longitude,
+                    it.coordinates.lat,
+                    it.coordinates.lng
+                )
+                val diff = headingDiff(bearing, heading.toDouble())
+                abs(diff) < 30
+            }
+        } ?: chargers
+    }
+
     private fun onEnergyLevelUpdated(energyLevel: EnergyLevel) {
         val isUpdate = this.energyLevel == null
         this.energyLevel = energyLevel
         if (isUpdate) invalidate()
     }
 
+    private fun onCompassUpdated(compass: Compass) {
+        this.heading = compass
+    }
+
     override fun onStart(owner: LifecycleOwner) {
         setupListeners()
+        session.requestLocationUpdates()
+        locationError = false
+        Handler(Looper.getMainLooper()).postDelayed({
+            if (location == null) {
+                locationError = true
+                invalidate()
+            }
+        }, 5000)
 
         // Reloading chargers in onStart does not seem to count towards content limit.
         // So let's do this so the user gets fresh chargers when re-entering the app.
-        chargers = null
-        availabilities.clear()
-        invalidate()
-        filtersWithValue.observe(this) {
-            loadChargers()
+        if (prefs.dataSource != repo.api.value?.id) {
+            repo.api.value = createApi(prefs.dataSource, carContext)
         }
+        invalidate()
+        loadChargers()
     }
 
     private fun setupListeners() {
+        val exec = ContextCompat.getMainExecutor(carContext)
+        if (supportsCarApiLevel3(carContext)) {
+            carSensors.addCompassListener(
+                CarSensors.UPDATE_RATE_NORMAL,
+                exec,
+                ::onCompassUpdated
+            )
+        }
         if (!permissions.all {
                 ContextCompat.checkSelfPermission(
                     carContext,
@@ -392,19 +541,26 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
 
         if (supportsCarApiLevel3(carContext)) {
             println("Setting up energy level listener")
-            val exec = ContextCompat.getMainExecutor(carContext)
-            hardwareMan.carInfo.addEnergyLevelListener(exec, ::onEnergyLevelUpdated)
+            carInfo.addEnergyLevelListener(exec, ::onEnergyLevelUpdated)
         }
     }
 
     override fun onStop(owner: LifecycleOwner) {
+        // Reloading chargers in onStart does not seem to count towards content limit.
+        // So let's do this so the user gets fresh chargers when re-entering the app.
+        // Deleting the data already in onStop makes sure that we show a loading screen directly
+        // (i.e. onGetTemplate is not called while the old data is still there)
+        chargers = null
+        availabilities.clear()
+        location = null
         removeListeners()
     }
 
     private fun removeListeners() {
         if (supportsCarApiLevel3(carContext)) {
             println("Removing energy level listener")
-            hardwareMan.carInfo.removeEnergyLevelListener(::onEnergyLevelUpdated)
+            carInfo.removeEnergyLevelListener(::onEnergyLevelUpdated)
+            carSensors.removeCompassListener(::onCompassUpdated)
         }
     }
 

app/src/google/java/net/vonforst/evmap/auto/PermissionScreen.kt

@@ -46,7 +46,7 @@ class PermissionScreen(
     }
 
     private fun requestPermissions() {
-        carContext.requestPermissions(permissions) { granted, rejected ->
+        carContext.requestPermissions(permissions) { granted, _ ->
             if (granted.containsAll(permissions)) {
                 screenManager.pop()
             } else {

app/src/google/java/net/vonforst/evmap/auto/PlaceSearchScreen.kt

@@ -105,15 +105,15 @@ class PlaceSearchScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx
                             Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
                         )
                         addText(text)
+                    }
 
-                        setOnClickListener {
-                            lifecycleScope.launch {
-                                val placeDetails = getDetails(place.id)
-                                prefs.placeSearchResultAndroidAuto = placeDetails.latLng
-                                prefs.placeSearchResultAndroidAutoName =
-                                    place.primaryText.toString()
-                                screenManager.popTo(MapScreen.MARKER)
-                            }
+                    setOnClickListener {
+                        lifecycleScope.launch {
+                            val placeDetails = getDetails(place.id)
+                            prefs.placeSearchResultAndroidAuto = placeDetails.latLng
+                            prefs.placeSearchResultAndroidAutoName =
+                                place.primaryText.toString()
+                            screenManager.popTo(MapScreen.MARKER)
                         }
                     }
                 }.build())
@@ -148,6 +148,7 @@ class PlaceSearchScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx
     }
 
     private suspend fun loadNewList(query: String) {
+        val location = location?.let { LatLng.fromLocation(it) }
         for (provider in providers) {
             try {
                 recentResults.clear()
@@ -161,7 +162,7 @@ class PlaceSearchScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx
                 }
                 recentResults.addAll(recentPlaces)
                 resultList =
-                    recentPlaces.map { it.asAutocompletePlace(LatLng.fromLocation(location)) }
+                    recentPlaces.map { it.asAutocompletePlace(location) }
                 invalidate()
 
                 // if we already have enough results or the query is short, stop here
@@ -170,7 +171,7 @@ class PlaceSearchScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx
                 // then search online
                 val recentIds = recentPlaces.map { it.id }
                 resultList = withContext(Dispatchers.IO) {
-                    (resultList!! + provider.autocomplete(query, LatLng.fromLocation(location))
+                    (resultList!! + provider.autocomplete(query, location)
                         .filter { !recentIds.contains(it.id) }).take(maxItems)
                 }
                 invalidate()

app/src/google/java/net/vonforst/evmap/auto/SearchSelectScreen.kt

@@ -15,9 +15,7 @@ abstract class MultiSelectSearchScreen<T>(ctx: CarContext) : Screen(ctx),
     protected var fullList: List<T>? = null
     private var currentList: List<T> = emptyList()
     private var query: String = ""
-    private val maxRows = if (ctx.carAppApiLevel >= 2) {
-        ctx.constraintManager.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_LIST)
-    } else 6
+    private val maxRows = ctx.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_LIST)
     protected abstract val isMultiSelect: Boolean
     protected abstract val shouldShowSelectAll: Boolean
 

app/src/google/java/net/vonforst/evmap/auto/SettingsScreens.kt

@@ -1,14 +1,21 @@
 package net.vonforst.evmap.auto
 
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager.NameNotFoundException
+import android.hardware.Sensor
+import android.hardware.SensorManager
+import androidx.annotation.StringRes
 import androidx.car.app.CarContext
 import androidx.car.app.CarToast
 import androidx.car.app.Screen
+import androidx.car.app.annotations.ExperimentalCarApi
 import androidx.car.app.constraints.ConstraintManager
 import androidx.car.app.model.*
 import androidx.core.graphics.drawable.IconCompat
 import androidx.lifecycle.lifecycleScope
 import kotlinx.coroutines.launch
-import net.vonforst.evmap.R
+import net.vonforst.evmap.*
 import net.vonforst.evmap.api.chargeprice.ChargepriceApi
 import net.vonforst.evmap.api.chargeprice.ChargepriceCar
 import net.vonforst.evmap.api.chargeprice.ChargepriceTariff
@@ -17,7 +24,10 @@ import net.vonforst.evmap.storage.PreferenceDataSource
 import kotlin.math.max
 import kotlin.math.min
 
-class SettingsScreen(ctx: CarContext) : Screen(ctx) {
+@ExperimentalCarApi
+class SettingsScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx) {
+    val prefs = PreferenceDataSource(ctx)
+
     override fun onGetTemplate(): Template {
         return ListTemplate.Builder().apply {
             setTitle(carContext.getString(R.string.auto_settings))
@@ -68,11 +78,44 @@ class SettingsScreen(ctx: CarContext) : Screen(ctx) {
                             )
                             .setBrowsable(true)
                             .setOnClickListener {
-                                screenManager.push(VehicleDataScreen(carContext))
+                                screenManager.push(VehicleDataScreen(carContext, session))
                             }
                             .build()
                     )
+                    addItem(
+                        Row.Builder()
+                            .setTitle(carContext.getString(R.string.auto_chargers_ahead))
+                            .setToggle(Toggle.Builder {
+                                prefs.showChargersAheadAndroidAuto = it
+                            }.setChecked(prefs.showChargersAheadAndroidAuto).build())
+                            .setImage(
+                                CarIcon.Builder(
+                                    IconCompat.createWithResource(
+                                        carContext,
+                                        R.drawable.ic_navigation
+                                    )
+                                ).setTint(CarColor.DEFAULT).build()
+                            )
+                            .build()
+                    )
                 }
+                addItem(
+                    Row.Builder()
+                        .setTitle(carContext.getString(R.string.about))
+                        .setImage(
+                            CarIcon.Builder(
+                                IconCompat.createWithResource(
+                                    carContext,
+                                    R.drawable.ic_about
+                                )
+                            ).setTint(CarColor.DEFAULT).build()
+                        )
+                        .setBrowsable(true)
+                        .setOnClickListener {
+                            screenManager.push(AboutScreen(carContext))
+                        }
+                        .build()
+                )
             }.build())
         }.build()
     }
@@ -81,12 +124,9 @@ class SettingsScreen(ctx: CarContext) : Screen(ctx) {
 class DataSettingsScreen(ctx: CarContext) : Screen(ctx) {
     val prefs = PreferenceDataSource(ctx)
     val db = AppDatabase.getInstance(ctx)
+
     val dataSourceNames = carContext.resources.getStringArray(R.array.pref_data_source_names)
     val dataSourceValues = carContext.resources.getStringArray(R.array.pref_data_source_values)
-    val dataSourceDescriptions = listOf(
-        carContext.getString(R.string.data_source_goingelectric_desc),
-        carContext.getString(R.string.data_source_openchargemap_desc)
-    )
     val searchProviderNames =
         carContext.resources.getStringArray(R.array.pref_search_provider_names)
     val searchProviderValues =
@@ -107,13 +147,9 @@ class DataSettingsScreen(ctx: CarContext) : Screen(ctx) {
                         screenManager.push(
                             ChooseDataSourceScreen(
                                 carContext,
-                                dataSourceNames,
-                                dataSourceValues,
-                                prefs.dataSource,
-                                dataSourceDescriptions
-                            ) {
-                                prefs.dataSource = it
-                            })
+                                ChooseDataSourceScreen.Type.CHARGER_DATA_SOURCE
+                            )
+                        )
                     }
                 }.build())
                 addItem(Row.Builder().apply {
@@ -127,12 +163,9 @@ class DataSettingsScreen(ctx: CarContext) : Screen(ctx) {
                         screenManager.push(
                             ChooseDataSourceScreen(
                                 carContext,
-                                searchProviderNames,
-                                searchProviderValues,
-                                prefs.searchProvider
-                            ) {
-                                prefs.searchProvider = it
-                            })
+                                ChooseDataSourceScreen.Type.SEARCH_PROVIDER
+                            )
+                        )
                     }
                 }.build())
                 addItem(Row.Builder().apply {
@@ -155,40 +188,90 @@ class DataSettingsScreen(ctx: CarContext) : Screen(ctx) {
 
 class ChooseDataSourceScreen(
     ctx: CarContext,
-    val names: Array<String>,
-    val values: Array<String>,
-    val currentValue: String,
-    val descriptions: List<String>? = null,
-    val callback: (String) -> Unit
+    val type: Type,
+    val initialChoice: Boolean = false,
+    @StringRes val extraDesc: Int? = null
 ) : Screen(ctx) {
+    enum class Type {
+        CHARGER_DATA_SOURCE, SEARCH_PROVIDER
+    }
+
     val prefs = PreferenceDataSource(carContext)
+    val title = when (type) {
+        Type.CHARGER_DATA_SOURCE -> R.string.pref_data_source
+        Type.SEARCH_PROVIDER -> R.string.pref_search_provider
+    }
+    val names = when (type) {
+        Type.CHARGER_DATA_SOURCE -> carContext.resources.getStringArray(R.array.pref_data_source_names)
+        Type.SEARCH_PROVIDER -> carContext.resources.getStringArray(R.array.pref_search_provider_names)
+    }
+    val values = when (type) {
+        Type.CHARGER_DATA_SOURCE -> carContext.resources.getStringArray(R.array.pref_data_source_values)
+        Type.SEARCH_PROVIDER -> carContext.resources.getStringArray(R.array.pref_search_provider_values)
+    }
+    val currentValue: String = when (type) {
+        Type.CHARGER_DATA_SOURCE -> prefs.dataSource
+        Type.SEARCH_PROVIDER -> prefs.searchProvider
+    }
+    val descriptions = when (type) {
+        Type.CHARGER_DATA_SOURCE -> listOf(
+            carContext.getString(R.string.data_source_goingelectric_desc),
+            carContext.getString(R.string.data_source_openchargemap_desc)
+        )
+        Type.SEARCH_PROVIDER -> null
+    }
+    val callback: (String) -> Unit = when (type) {
+        Type.CHARGER_DATA_SOURCE -> { it ->
+            prefs.dataSourceSet = true
+            prefs.dataSource = it
+        }
+        Type.SEARCH_PROVIDER -> { it ->
+            prefs.searchProvider = it
+        }
+    }
 
     override fun onGetTemplate(): Template {
         return ListTemplate.Builder().apply {
-            setTitle(carContext.getString(R.string.pref_data_source))
-            setHeaderAction(Action.BACK)
-            setSingleList(ItemList.Builder().apply {
+            setTitle(carContext.getString(title))
+            setHeaderAction(if (initialChoice) Action.APP_ICON else Action.BACK)
+
+            val list = ItemList.Builder().apply {
                 for (i in names.indices) {
                     addItem(Row.Builder().apply {
                         setTitle(names[i])
                         descriptions?.let { addText(it[i]) }
+                        if (initialChoice) {
+                            setBrowsable(true)
+                            setOnClickListener {
+                                itemSelected(i)
+                            }
+                        }
                     }.build())
                 }
-                setOnSelectedListener {
-                    callback(values[it])
-                    screenManager.pop()
+                if (!initialChoice) {
+                    setOnSelectedListener {
+                        itemSelected(it)
+                    }
+                    setSelectedIndex(values.indexOf(currentValue))
                 }
-                setSelectedIndex(values.indexOf(currentValue))
-            }.build())
+            }.build()
+            if (extraDesc != null) {
+                addSectionedList(SectionedItemList.create(list, carContext.getString(extraDesc)))
+            } else {
+                setSingleList(list)
+            }
         }.build()
     }
+
+    private fun itemSelected(i: Int) {
+        callback(values[i])
+        screenManager.pop()
+    }
 }
 
 class ChargepriceSettingsScreen(ctx: CarContext) : Screen(ctx) {
     val prefs = PreferenceDataSource(carContext)
-    private val maxRows = if (ctx.carAppApiLevel >= 2) {
-        ctx.constraintManager.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_LIST)
-    } else 6
+    private val maxRows = ctx.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_LIST)
 
     override fun onGetTemplate(): Template {
         return ListTemplate.Builder().apply {
@@ -503,4 +586,165 @@ class SelectChargingRangeScreen(ctx: CarContext) : Screen(ctx) {
             )
         }.build()
     }
+}
+
+class AboutScreen(ctx: CarContext) : Screen(ctx) {
+    val prefs = PreferenceDataSource(ctx)
+    var developerOptionsCounter = 0
+    private val maxRows = ctx.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_LIST)
+
+    override fun onGetTemplate(): Template {
+        return ListTemplate.Builder().apply {
+            setTitle(carContext.getString(R.string.about))
+            setHeaderAction(Action.BACK)
+            addSectionedList(SectionedItemList.create(ItemList.Builder().apply {
+                addItem(
+                    Row.Builder()
+                        .setTitle(carContext.getString(R.string.version))
+                        .addText(BuildConfig.VERSION_NAME)
+                        .addText(
+                            carContext.getString(R.string.copyright) + " " + carContext.getString(
+                                R.string.copyright_summary
+                            )
+                        )
+                        .setBrowsable(prefs.developerModeEnabled)
+                        .setOnClickListener {
+                            if (!prefs.developerModeEnabled) {
+                                developerOptionsCounter += 1
+                                if (developerOptionsCounter >= 7) {
+                                    prefs.developerModeEnabled = true
+                                    invalidate()
+                                    CarToast.makeText(
+                                        carContext,
+                                        carContext.getString(R.string.developer_mode_enabled),
+                                        CarToast.LENGTH_SHORT
+                                    ).show()
+                                }
+                            } else {
+                                screenManager.pushForResult(DeveloperOptionsScreen(carContext)) {
+                                    developerOptionsCounter = 0
+                                    invalidate()
+                                }
+                            }
+                        }.build()
+                )
+                addItem(
+                    Row.Builder()
+                        .setTitle(carContext.getString(R.string.faq))
+                        .setBrowsable(true)
+                        .setOnClickListener(ParkedOnlyOnClickListener.create {
+                            openUrl(carContext, carContext.getString(R.string.faq_link))
+                        }).build()
+                )
+                addItem(
+                    Row.Builder()
+                        .setTitle(carContext.getString(R.string.donate))
+                        .addText(carContext.getString(R.string.donate_desc))
+                        .setBrowsable(true)
+                        .setOnClickListener(ParkedOnlyOnClickListener.create {
+                            if (BuildConfig.FLAVOR_automotive == "automotive") {
+                                // we can't open the donation page on the phone in this case
+                                openUrl(carContext, carContext.getString(R.string.paypal_link))
+                            } else {
+                                val intent = Intent(carContext, MapsActivity::class.java)
+                                    .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                                    .putExtra(EXTRA_DONATE, true)
+                                carContext.startActivity(intent)
+                                CarToast.makeText(
+                                    carContext,
+                                    R.string.opened_on_phone,
+                                    CarToast.LENGTH_LONG
+                                ).show()
+                            }
+                        }).build()
+                )
+            }.build(), carContext.getString(R.string.about)))
+            addSectionedList(SectionedItemList.create(ItemList.Builder().apply {
+                addItem(Row.Builder()
+                    .setTitle(carContext.getString(R.string.twitter))
+                    .addText(carContext.getString(R.string.twitter_handle))
+                    .setBrowsable(true)
+                    .setOnClickListener(ParkedOnlyOnClickListener.create {
+                        openUrl(carContext, carContext.getString(R.string.twitter_url))
+                    }).build()
+                )
+                if (maxRows > 6) {
+                    addItem(Row.Builder()
+                        .setTitle(carContext.getString(R.string.goingelectric_forum))
+                        .setBrowsable(true)
+                        .setOnClickListener(ParkedOnlyOnClickListener.create {
+                            openUrl(
+                                carContext,
+                                carContext.getString(R.string.goingelectric_forum_url)
+                            )
+                        }).build()
+                    )
+                }
+            }.build(), carContext.getString(R.string.contact)))
+            addSectionedList(SectionedItemList.create(ItemList.Builder().apply {
+                addItem(Row.Builder()
+                    .setTitle(carContext.getString(R.string.github_link_title))
+                    .setBrowsable(true)
+                    .setOnClickListener(ParkedOnlyOnClickListener.create {
+                        openUrl(carContext, carContext.getString(R.string.github_link))
+                    }).build()
+                )
+                addItem(Row.Builder()
+                    .setTitle(carContext.getString(R.string.privacy))
+                    .setBrowsable(true)
+                    .setOnClickListener(ParkedOnlyOnClickListener.create {
+                        openUrl(carContext, carContext.getString(R.string.privacy_link))
+                    }).build()
+                )
+            }.build(), carContext.getString(R.string.other)))
+        }.build()
+    }
+}
+
+class DeveloperOptionsScreen(ctx: CarContext) : Screen(ctx) {
+    val prefs = PreferenceDataSource(ctx)
+
+    override fun onGetTemplate(): Template {
+        return ListTemplate.Builder().apply {
+            setTitle(carContext.getString(R.string.developer_options))
+            setHeaderAction(Action.BACK)
+            setSingleList(ItemList.Builder().apply {
+                addItem(
+                    Row.Builder().apply {
+                        setTitle("Car app API Level: ${carContext.carAppApiLevel}")
+                        val hostPackage = carContext.hostInfo?.packageName
+                        val hostVersion = hostPackage?.let {
+                            try {
+                                carContext.packageManager.getPackageInfoCompat(it).versionName
+                            } catch (e: NameNotFoundException) {
+                                null
+                            }
+                        }
+                        addText("$hostPackage $hostVersion")
+                        if (BuildConfig.FLAVOR_automotive == "automotive") {
+                            addText(
+                                "Sensor list: ${
+                                    (carContext.getSystemService(Context.SENSOR_SERVICE) as SensorManager).getSensorList(
+                                        Sensor.TYPE_ALL
+                                    ).map { it.type }.joinToString(",")
+                                }"
+                            )
+                        }
+                    }.build()
+                )
+                addItem(Row.Builder().apply {
+                    setTitle(carContext.getString(R.string.disable_developer_mode))
+                    setOnClickListener {
+                        prefs.developerModeEnabled = false
+                        CarToast.makeText(
+                            carContext,
+                            carContext.getString(R.string.developer_mode_disabled),
+                            CarToast.LENGTH_SHORT
+                        ).show()
+                        screenManager.pop()
+                    }
+                }.build())
+            }.build())
+        }.build()
+    }
 }

app/src/google/java/net/vonforst/evmap/auto/Utils.kt

@@ -1,16 +1,25 @@
 package net.vonforst.evmap.auto
 
+import android.content.ActivityNotFoundException
 import android.content.Context
+import android.content.Intent
 import android.graphics.Bitmap
+import android.net.Uri
+import androidx.browser.customtabs.CustomTabColorSchemeParams
+import androidx.browser.customtabs.CustomTabsIntent
 import androidx.car.app.CarContext
+import androidx.car.app.CarToast
+import androidx.car.app.Screen
 import androidx.car.app.constraints.ConstraintManager
 import androidx.car.app.hardware.common.CarUnit
-import androidx.car.app.model.CarColor
-import androidx.car.app.model.CarIcon
-import androidx.car.app.model.Distance
+import androidx.car.app.model.*
 import androidx.car.app.versioning.CarAppApiLevels
+import androidx.core.content.ContextCompat
 import androidx.core.graphics.drawable.IconCompat
+import net.vonforst.evmap.BuildConfig
+import net.vonforst.evmap.R
 import net.vonforst.evmap.api.availability.ChargepointStatus
+import net.vonforst.evmap.getPackageInfoCompat
 import java.util.*
 import kotlin.math.roundToInt
 
@@ -33,13 +42,32 @@ fun carAvailabilityColor(status: List<ChargepointStatus>): CarColor {
 val CarContext.constraintManager
     get() = getCarService(CarContext.CONSTRAINT_SERVICE) as ConstraintManager
 
+fun CarContext.getContentLimit(id: Int) = if (carAppApiLevel >= 2) {
+    constraintManager.getContentLimit(id)
+} else {
+    when (id) {
+        ConstraintManager.CONTENT_LIMIT_TYPE_GRID -> 6
+        ConstraintManager.CONTENT_LIMIT_TYPE_LIST -> 6
+        ConstraintManager.CONTENT_LIMIT_TYPE_PANE -> 4
+        ConstraintManager.CONTENT_LIMIT_TYPE_PLACE_LIST -> 6
+        ConstraintManager.CONTENT_LIMIT_TYPE_ROUTE_LIST -> 3
+        else -> throw IllegalArgumentException("unknown limit ID")
+    }
+}
+
+val CarContext.isAppDrivenRefreshSupported
+    @androidx.car.app.annotations.ExperimentalCarApi
+    get() = if (carAppApiLevel >= 6) constraintManager.isAppDrivenRefreshEnabled else false
+
 fun Bitmap.asCarIcon(): CarIcon = CarIcon.Builder(IconCompat.createWithBitmap(this)).build()
 
-val emptyCarIcon = Bitmap.createBitmap(
-    1,
-    1,
-    Bitmap.Config.ARGB_8888
-).asCarIcon()
+val emptyCarIcon: CarIcon by lazy {
+    Bitmap.createBitmap(
+        1,
+        1,
+        Bitmap.Config.ARGB_8888
+    ).asCarIcon()
+}
 
 private const val kmPerMile = 1.609344
 private const val ftPerMile = 5280
@@ -134,8 +162,42 @@ private fun roundToMultipleOf(num: Double, step: Double): Double {
     return (num / step).roundToInt() * step
 }
 
+/**
+ * Paginates data based on specific limits for each page.
+ * If the data fits on a single page, this page can have a maximum size nSingle. Otherwise, the
+ * first page has maximum nFirst items, the last page nLast items, and all intermediate pages nOther
+ * items.
+ */
+fun <T> List<T>.paginate(nSingle: Int, nFirst: Int, nOther: Int, nLast: Int): List<List<T>> {
+    if (nOther > nLast) {
+        throw IllegalArgumentException("nLast has to be larger than or equal to nOther")
+    }
+    return if (size <= nSingle) {
+        listOf(this)
+    } else {
+        val result = mutableListOf<List<T>>()
+        var i = 0
+        var page = 0
+        while (true) {
+            val remaining = size - i
+            if (page == 0) {
+                result.add(subList(i, i + nFirst))
+                i += nFirst
+            } else if (remaining <= nLast) {
+                result.add(subList(i, size))
+                break
+            } else {
+                result.add(subList(i, i + nOther))
+                i += nOther
+            }
+            page++
+        }
+        result
+    }
+}
+
 fun getAndroidAutoVersion(ctx: Context): List<String> {
-    val info = ctx.packageManager.getPackageInfo("com.google.android.projection.gearhead", 0)
+    val info = ctx.packageManager.getPackageInfoCompat("com.google.android.projection.gearhead", 0)
     return info.versionName.split(".")
 }
 
@@ -152,4 +214,51 @@ fun supportsCarApiLevel3(ctx: CarContext): Boolean {
         }
     }
     return true
+}
+
+fun openUrl(carContext: CarContext, url: String) {
+    val intent = CustomTabsIntent.Builder()
+        .setDefaultColorSchemeParams(
+            CustomTabColorSchemeParams.Builder()
+                .setToolbarColor(
+                    ContextCompat.getColor(
+                        carContext,
+                        R.color.colorPrimary
+                    )
+                )
+                .build()
+        )
+        .build().intent
+    intent.data = Uri.parse(url)
+    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+    try {
+        carContext.startActivity(intent)
+        if (BuildConfig.FLAVOR_automotive != "automotive") {
+            // only show the toast "opened on phone" if we're running on a phone
+            CarToast.makeText(
+                carContext,
+                R.string.opened_on_phone,
+                CarToast.LENGTH_LONG
+            ).show()
+        }
+    } catch (e: ActivityNotFoundException) {
+        CarToast.makeText(
+            carContext,
+            R.string.no_browser_app_found,
+            CarToast.LENGTH_LONG
+        ).show()
+    }
+}
+
+class DummyReturnScreen(ctx: CarContext) : Screen(ctx) {
+    /*
+    Dummy screen to get around template refresh limitations.
+    It immediately pops back to the previous screen.
+     */
+    override fun onGetTemplate(): Template {
+        screenManager.pop()
+        return MessageTemplate.Builder(carContext.getString(R.string.loading)).setLoading(true)
+            .build()
+    }
+
 }

app/src/google/java/net/vonforst/evmap/auto/VehicleDataScreen.kt

@@ -1,6 +1,7 @@
 package net.vonforst.evmap.auto
 
 import android.content.pm.PackageManager
+import android.location.Location
 import android.os.Handler
 import android.os.Looper
 import androidx.car.app.CarContext
@@ -16,10 +17,13 @@ import net.vonforst.evmap.BuildConfig
 import net.vonforst.evmap.R
 import net.vonforst.evmap.ui.CompassNeedle
 import net.vonforst.evmap.ui.Gauge
+import net.vonforst.evmap.utils.formatDecimal
 import kotlin.math.min
 import kotlin.math.roundToInt
 
-class VehicleDataScreen(ctx: CarContext) : Screen(ctx), DefaultLifecycleObserver {
+@androidx.car.app.annotations.ExperimentalCarApi
+class VehicleDataScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx),
+    LocationAwareScreen, DefaultLifecycleObserver {
     private val carInfo =
         (ctx.getCarService(CarContext.HARDWARE_SERVICE) as CarHardwareManager).carInfo
     private val carSensors = carContext.patchedCarSensors
@@ -27,6 +31,7 @@ class VehicleDataScreen(ctx: CarContext) : Screen(ctx), DefaultLifecycleObserver
     private var energyLevel: EnergyLevel? = null
     private var speed: Speed? = null
     private var heading: Compass? = null
+    private var location: Location? = null
     private var gauge = Gauge((ctx.resources.displayMetrics.density * 128).roundToInt(), ctx)
     private var compass =
         CompassNeedle((ctx.resources.displayMetrics.density * 128).roundToInt(), ctx)
@@ -70,7 +75,11 @@ class VehicleDataScreen(ctx: CarContext) : Screen(ctx), DefaultLifecycleObserver
         val energyLevel = energyLevel
         val model = model
         val speed = speed
-        val heading = heading
+        val location = location
+
+        val compassHeading = heading?.orientations?.value?.get(0)
+        val gpsHeading = if (location?.hasBearing() == true) location.bearing else null
+        val heading = compassHeading ?: gpsHeading
 
         return GridTemplate.Builder().apply {
             setTitle(
@@ -192,17 +201,30 @@ class VehicleDataScreen(ctx: CarContext) : Screen(ctx), DefaultLifecycleObserver
                             if (heading == null) {
                                 setLoading(true)
                             } else {
-                                val heading = heading.orientations.value
-                                if (heading != null) {
-                                    setText(
-                                        "${heading[0].roundToInt()}°"
+                                val headingSource =
+                                    if (compassHeading != null) carContext.getString(R.string.compass) else carContext.getString(
+                                        R.string.gps
                                     )
-
-                                } else {
-                                    setText(carContext.getString(R.string.auto_no_data))
-                                }
+                                setText("${heading.roundToInt()}° ($headingSource)")
                                 setImage(
-                                    compass.draw(heading?.get(0)).asCarIcon()
+                                    compass.draw(heading).asCarIcon()
+                                )
+                            }
+                        }.build())
+                        addItem(GridItem.Builder().apply {
+                            setTitle(carContext.getString(R.string.coordinates))
+                            if (location == null) {
+                                setLoading(true)
+                            } else {
+                                val dms = location.formatDecimal(4)
+                                setText(dms)
+                                setImage(
+                                    CarIcon.Builder(
+                                        IconCompat.createWithResource(
+                                            carContext,
+                                            R.drawable.ic_location
+                                        )
+                                    ).setTint(CarColor.DEFAULT).build()
                                 )
                             }
                         }.build())
@@ -229,6 +251,7 @@ class VehicleDataScreen(ctx: CarContext) : Screen(ctx), DefaultLifecycleObserver
 
     override fun onResume(owner: LifecycleOwner) {
         setupListeners()
+        session.mapScreen = this
     }
 
     private fun setupListeners() {
@@ -253,6 +276,7 @@ class VehicleDataScreen(ctx: CarContext) : Screen(ctx), DefaultLifecycleObserver
 
     override fun onPause(owner: LifecycleOwner) {
         removeListeners()
+        session.mapScreen = null
     }
 
     private fun removeListeners() {
@@ -269,4 +293,8 @@ class VehicleDataScreen(ctx: CarContext) : Screen(ctx), DefaultLifecycleObserver
                 it
             ) == PackageManager.PERMISSION_GRANTED
         }
+
+    override fun updateLocation(location: Location) {
+        this.location = location
+    }
 }

app/src/google/java/net/vonforst/evmap/autocomplete/GooglePlacesAutocompleteProvider.kt

@@ -7,6 +7,7 @@ import android.text.style.StyleSpan
 import com.car2go.maps.google.adapter.AnyMapAdapter
 import com.car2go.maps.util.SphericalUtil
 import com.google.android.gms.common.api.ApiException
+import com.google.android.gms.common.api.CommonStatusCodes
 import com.google.android.gms.maps.model.LatLng
 import com.google.android.gms.maps.model.LatLngBounds
 import com.google.android.gms.tasks.Tasks.await
@@ -19,6 +20,7 @@ import com.google.android.libraries.places.api.net.FindAutocompletePredictionsRe
 import com.google.android.libraries.places.api.net.PlacesStatusCodes
 import kotlinx.coroutines.tasks.await
 import net.vonforst.evmap.R
+import java.io.IOException
 import java.util.concurrent.ExecutionException
 import kotlin.math.sqrt
 
@@ -58,6 +60,13 @@ class GooglePlacesAutocompleteProvider(val context: Context) : AutocompleteProvi
             if (cause is ApiException) {
                 if (cause.statusCode == PlacesStatusCodes.OVER_QUERY_LIMIT) {
                     throw ApiUnavailableException()
+                } else if (cause.statusCode in listOf(
+                        CommonStatusCodes.NETWORK_ERROR,
+                        CommonStatusCodes.TIMEOUT, CommonStatusCodes.RECONNECTION_TIMED_OUT,
+                        CommonStatusCodes.RECONNECTION_TIMED_OUT_DURING_UPDATE
+                    )
+                ) {
+                    throw IOException(cause)
                 }
             }
             throw e

app/src/google/java/net/vonforst/evmap/viewmodel/DonateViewModel.kt

@@ -5,6 +5,7 @@ import android.app.Application
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.MutableLiveData
 import com.android.billingclient.api.*
+import com.android.billingclient.api.BillingClient.ProductType
 import net.vonforst.evmap.BuildConfig
 import net.vonforst.evmap.adapter.Equatable
 
@@ -14,6 +15,12 @@ class DonateViewModel(application: Application) : AndroidViewModel(application),
         .setListener(this)
         .enablePendingPurchases()
         .build()
+    
+    val products: MutableLiveData<Resource<List<DonationItem>>> by lazy {
+        MutableLiveData<Resource<List<DonationItem>>>().apply {
+            value = Resource.loading(null)
+        }
+    }
 
     init {
         billingClient.startConnection(object : BillingClientStateListener {
@@ -24,10 +31,15 @@ class DonateViewModel(application: Application) : AndroidViewModel(application),
                 loadProducts()
 
                 // consume pending purchases
-                val purchases = billingClient.queryPurchases(BillingClient.SkuType.INAPP)
-                purchases.purchasesList?.forEach {
-                    if (!it.isAcknowledged) {
-                        consumePurchase(it.purchaseToken, false)
+                billingClient.queryPurchasesAsync(
+                    QueryPurchasesParams.newBuilder()
+                        .setProductType(ProductType.INAPP)
+                        .build()
+                ) { _, purchasesList ->
+                    purchasesList.forEach {
+                        if (!it.isAcknowledged) {
+                            consumePurchase(it.purchaseToken, false)
+                        }
                     }
                 }
             }
@@ -36,26 +48,26 @@ class DonateViewModel(application: Application) : AndroidViewModel(application),
     }
 
     private fun loadProducts() {
-        val params = SkuDetailsParams.newBuilder()
-            .setType(BillingClient.SkuType.INAPP)
-            .setSkusList(
-                listOf(
-                    "donate_1_eur", "donate_2_eur", "donate_5_eur", "donate_10_eur"
-                ) +
-                        if (BuildConfig.DEBUG) {
-                            listOf(
-                                "android.test.purchased", "android.test.canceled",
-                                "android.test.item_unavailable"
-                            )
-                        } else {
-                            emptyList()
-                        }
+        val productIds = listOf(
+            "donate_1_eur", "donate_2_eur", "donate_5_eur", "donate_10_eur"
+        ) + if (BuildConfig.DEBUG) {
+            listOf(
+                "android.test.purchased", "android.test.canceled",
+                "android.test.item_unavailable"
             )
+        } else {
+            emptyList()
+        }
+        val params = QueryProductDetailsParams.newBuilder()
+            .setProductList(productIds.map {
+                QueryProductDetailsParams.Product.newBuilder().setProductType(ProductType.INAPP)
+                    .setProductId(it).build()
+            })
             .build()
-        billingClient.querySkuDetailsAsync(params) { result, details ->
-            if (result.responseCode == BillingClient.BillingResponseCode.OK && details != null) {
+        billingClient.queryProductDetailsAsync(params) { result, details ->
+            if (result.responseCode == BillingClient.BillingResponseCode.OK) {
                 products.postValue(Resource.success(details
-                    .sortedBy { it.priceAmountMicros }
+                    .sortedBy { it.oneTimePurchaseOfferDetails!!.priceAmountMicros }
                     .map { DonationItem(it) }
                 ))
             } else {
@@ -64,12 +76,6 @@ class DonateViewModel(application: Application) : AndroidViewModel(application),
         }
     }
 
-    val products: MutableLiveData<Resource<List<DonationItem>>> by lazy {
-        MutableLiveData<Resource<List<DonationItem>>>().apply {
-            value = Resource.loading(null)
-        }
-    }
-
     val purchaseSuccessful = SingleLiveEvent<Nothing>()
     val purchaseFailed = SingleLiveEvent<Nothing>()
 
@@ -97,7 +103,13 @@ class DonateViewModel(application: Application) : AndroidViewModel(application),
 
     fun startPurchase(it: DonationItem, activity: Activity) {
         val flowParams = BillingFlowParams.newBuilder()
-            .setSkuDetails(it.sku)
+            .setProductDetailsParamsList(
+                listOf(
+                    BillingFlowParams.ProductDetailsParams.newBuilder()
+                        .setProductDetails(it.product)
+                        .build()
+                )
+            )
             .build()
         val response = billingClient.launchBillingFlow(activity, flowParams)
         if (response.responseCode != BillingClient.BillingResponseCode.OK) {
@@ -110,4 +122,4 @@ class DonateViewModel(application: Application) : AndroidViewModel(application),
     }
 }
 
-data class DonationItem(val sku: SkuDetails) : Equatable
+data class DonationItem(val product: ProductDetails) : Equatable

app/src/google/res/layout/item_donation.xml

@@ -28,7 +28,7 @@
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
                 android:layout_marginEnd="8dp"
-                android:text="@{item.sku.title}"
+                android:text="@{item.product.title}"
                 android:textAppearance="@style/TextAppearance.Material3.BodyLarge"
                 app:layout_constraintBottom_toBottomOf="parent"
                 app:layout_constraintEnd_toStartOf="@+id/textView21"
@@ -41,7 +41,7 @@
                 android:id="@+id/textView21"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="@{item.sku.price}"
+                android:text="@{item.product.oneTimePurchaseOfferDetails.formattedPrice}"
                 android:textAppearance="@style/TextAppearance.Material3.BodyLarge"
                 android:textColor="?android:textColorSecondary"
                 app:layout_constraintBottom_toBottomOf="parent"

app/src/google/res/values-de/strings.xml

@@ -28,8 +28,12 @@
     <string name="auto_chargeprice_vehicle_unavailable">EVMap konnte das Fahrzeugmodell nicht erkennen.</string>
     <string name="auto_chargeprice_vehicle_unknown">Keins der in der App ausgewählten Fahrzeuge passt zu diesem Fahrzeug (%1$s %2$s).</string>
     <string name="auto_chargeprice_vehicle_ambiguous">Mehrere der in der App ausgewählten Fahrzeuge passen zu diesem Fahrzeug (%1$s %2$s).</string>
+    <string name="auto_chargers_ahead">Nur Ladestationen in Fahrtrichtung</string>
     <string name="settings_android_auto_chargeprice_range">Ladebereich für Preisvergleich</string>
     <string name="data_sources_hint">In den Einstellungen kannst du auch zwischen Google Maps und OpenStreetMap (Mapbox) für die Kartendaten wechseln.</string>
     <string name="selecting_all">alle Einträge ausgewählt</string>
     <string name="selecting_none">alle Einträge abgewählt</string>
+    <string name="loading">Lade…</string>
+    <string name="auto_multipage_goto">Seite %d</string>
+    <string name="auto_multipage">(%d/%d)</string>
 </resources>

app/src/google/res/values-fr/strings.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="donations_info" formatted="false">Trouvez-vous EVMap utile \? Soutenez son développement en envoyant un don au développeur.
+\n
+\nGoogle prend 15% sur chaque don.</string>
+    <string name="auto_location_service">EVMap fonctionne sur Android Auto et utilise votre position.</string>
+    <string name="open_in_app">Ouvrir dans l\'application</string>
+    <string name="opened_on_phone">Ouvert sur le téléphone</string>
+    <string name="auto_location_permission_needed">Pour exécuter EVMap sur Android Auto, vous devez autoriser l\'accès à votre emplacement.</string>
+    <string name="grant_on_phone">Grant au téléphone</string>
+    <string name="auto_prices">Prix</string>
+    <string name="auto_vehicle_data">Données sur le véhicule</string>
+    <string name="auto_range">Autonomie</string>
+    <string name="auto_speed">Vitesse</string>
+    <string name="welcome_android_auto">Prise en charge d’Android Auto</string>
+    <string name="sounds_cool">ça a l\'air cool</string>
+    <string name="auto_chargeprice_vehicle_unknown">Aucun des véhicules sélectionnés dans l\'application ne correspond à ce véhicule (%1$s %2$s).</string>
+    <string name="auto_chargeprice_vehicle_ambiguous">Plusieurs véhicules sélectionnés dans l\'application correspondent à ce véhicule (%1$s %2$s).</string>
+    <string name="selecting_all">tous les éléments sélectionnés</string>
+    <string name="data_sources_hint">Dans les paramètres, vous pouvez également choisir entre Google Maps et OpenStreetMap (Mapbox) pour les données cartographiques.</string>
+    <string name="auto_chargeprice_vehicle_unavailable">EVMap n\'a pas pu déterminer le modèle de votre véhicule.</string>
+    <string name="auto_no_chargers_found">Aucun chargeur à proximité n\'a été trouvé</string>
+    <string name="auto_no_favorites_found">Pas de favoris trouvés</string>
+    <string name="auto_charging_level">Niveau de charge</string>
+    <string name="auto_chargers_closeby">Chargeurs à proximité</string>
+    <string name="auto_chargers_near_location">Près de %s</string>
+    <string name="auto_fault_report_date">⚠️ Rapport d\'anomalie (%s)</string>
+    <string name="auto_no_data">Indisponible</string>
+    <string name="auto_settings">Paramètres</string>
+    <string name="selecting_none">désélectionner tous les éléments</string>
+    <string name="auto_vehicle_data_permission_needed">Pour cette fonction, EVMap doit avoir accès aux données de votre véhicule.</string>
+    <string name="auto_heading">Direction</string>
+    <string name="auto_favorites">Favoris</string>
+    <string name="auto_no_refresh_possible">D\'autres mises à jour ne sont pas possibles. Veuillez revenir en arrière et redémarrer.</string>
+    <string name="settings_android_auto_chargeprice_range">Plage de charge pour la comparaison des prix</string>
+    <string name="welcome_android_auto_detail">Vous pouvez également utiliser EVMap à partir d\'Android Auto sur les voitures prises en charge. Il suffit de sélectionner l\'application EVMap dans le menu Android Auto.</string>
+    <string name="loading">Chargement…</string>
+</resources>

app/src/google/res/values-nb-rNO/strings.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="donations_info" formatted="false">Synes du EVMap er nyttig\? Støtt utviklingen ved å sende penger til utvikleren.
+\n
+\nGoogle tar 15% av alle donasjoner.</string>
+    <string name="auto_favorites">Favoritter</string>
+    <string name="auto_charging_level">Ladingsnivå</string>
+    <string name="auto_chargeprice_vehicle_unavailable">EVMap kunne ikke fastsette kjøretøymodellen.</string>
+    <string name="selecting_none">fravalgte alle elementer</string>
+    <string name="grant_on_phone">Innvilg på mobilenheten</string>
+    <string name="auto_chargers_closeby">Ladere i nærheten</string>
+    <string name="auto_prices">Pris</string>
+    <string name="auto_no_chargers_found">Ingen ladere i nærheten</string>
+    <string name="auto_no_favorites_found">Fant ikke noen favoritter</string>
+    <string name="open_in_app">Åpne i programmet</string>
+    <string name="auto_location_service">EVMap kjører på Android Auto og bruker posisjonen din.</string>
+    <string name="auto_heading">Fartsretning</string>
+    <string name="opened_on_phone">Åpnet på mobilenheten</string>
+    <string name="auto_location_permission_needed">Innvilg posisjonstilgang for å bruke EVMap på Android Auto.</string>
+    <string name="auto_chargers_near_location">Nær %s</string>
+    <string name="auto_fault_report_date">⚠️ Feilrapport (%s)</string>
+    <string name="auto_vehicle_data">Kjøretøydata</string>
+    <string name="auto_no_data">Utilgjengelig</string>
+    <string name="auto_speed">Hastighet</string>
+    <string name="auto_settings">Innstillinger</string>
+    <string name="auto_chargeprice_vehicle_unknown">Ingen av kjøretøyene valgt i programmet samsvarer med dette kjøretøyet (%1$s %2$s).</string>
+    <string name="welcome_android_auto">Android Auto-støtte</string>
+    <string name="auto_chargeprice_vehicle_ambiguous">Flere kjøretøy valgt i programmet samsvarer med dette kjøretøyet (%1$s %2$s).</string>
+    <string name="auto_vehicle_data_permission_needed">EvMap trenger tilgang til kjøretøydata for å bruke denne funksjonen.</string>
+    <string name="auto_no_refresh_possible">Videre oppdateringer er ikke mulig. Gå tilbake og start på ny.</string>
+    <string name="auto_range">Rekkevidde</string>
+    <string name="welcome_android_auto_detail">Du kan også bruke EVMap inne i Android Auto på bilder som støtter dette ved å velge det i Android Auto-menyen.</string>
+    <string name="settings_android_auto_chargeprice_range">Prissammenligning for laderekkevidde fordelt på pris</string>
+    <string name="data_sources_hint">I innstillingene kan du også bytte mellom Google Maps og OpenStreetMap (Mapbox) for kartdata.</string>
+    <string name="selecting_all">valgte alle elementene</string>
+    <string name="sounds_cool">den er grei</string>
+    <string name="auto_chargers_ahead">Kun ladere i kjøreretningen</string>
+    <string name="loading">Laster inn …</string>
+    <string name="auto_multipage_goto">Side %d</string>
+    <string name="auto_multipage">(%d/%d)</string>
+</resources>

app/src/google/res/values-nl/strings.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="auto_chargeprice_vehicle_ambiguous">Meerdere voertuigen geselecteerd in de app komen overeen met dit voertuig (%1$s %2$s).</string>
+    <string name="donations_info" formatted="false">Vind je EVMap nuttig\? Je kan de ontwikkeling steunen via een donatie aan de ontwikkelaar.
+\n
+\nGoogle houdt 15% in van elke donatie.</string>
+    <string name="auto_location_service">EVMap draait op Android Auto en gebruikt jouw locatie.</string>
+    <string name="auto_no_chargers_found">Geen laadpunten gevonden in de omgeving</string>
+    <string name="auto_no_favorites_found">Geen favorieten gevonden</string>
+    <string name="open_in_app">Open in de app</string>
+    <string name="opened_on_phone">Geopend op de telefoon</string>
+    <string name="auto_location_permission_needed">Om EVMap op Android Auto te gebruiken, moet je toegang geven tot je locatie.</string>
+    <string name="auto_vehicle_data_permission_needed">Voor deze functie heeft EVMap toegang nodig tot de gegevens van je voertuig.</string>
+    <string name="grant_on_phone">Geef toestemming op telefoon</string>
+    <string name="auto_chargers_closeby">Oplaadpunten in de buurt</string>
+    <string name="auto_favorites">Favorieten</string>
+    <string name="auto_chargers_near_location">Nabij %s</string>
+    <string name="auto_fault_report_date">⚠️ Foutrapport (%s)</string>
+    <string name="auto_no_refresh_possible">Verdere updates zijn niet mogelijk. Ga terug en herbegin.</string>
+    <string name="auto_prices">Prijzen</string>
+    <string name="auto_vehicle_data">Voertuiggegevens</string>
+    <string name="auto_charging_level">Laadniveau (SoC)</string>
+    <string name="auto_no_data">Niet beschikbaar</string>
+    <string name="auto_range">Reikwijdte</string>
+    <string name="auto_speed">Snelheid</string>
+    <string name="auto_heading">Richting</string>
+    <string name="auto_settings">Instellingen</string>
+    <string name="welcome_android_auto">Android Auto support</string>
+    <string name="welcome_android_auto_detail">Je kan EVMap ook gebruiken in Android Auto op ondersteunde voertuigen. Selecteer gewoon de EVMap app in het Android Auto menu.</string>
+    <string name="sounds_cool">klinkt cool</string>
+    <string name="auto_chargeprice_vehicle_unavailable">EVMap kon je voertuigtype niet bepalen.</string>
+    <string name="auto_chargers_ahead">Alleen laadpunten in rijrichting</string>
+    <string name="settings_android_auto_chargeprice_range">Laadbereik voor prijsvergelijking</string>
+    <string name="data_sources_hint">In de instellingen kan je ook wisselen tussen Google Maps en OpenStreetMap (Mapbox) voor de kaartgegevens.</string>
+    <string name="selecting_all">alle items geselecteerd</string>
+    <string name="selecting_none">alle items gedeselecteerd</string>
+    <string name="loading">Laden…</string>
+    <string name="auto_multipage_goto">Pagina %d</string>
+    <string name="auto_multipage">(%d/%d)</string>
+    <string name="auto_chargeprice_vehicle_unknown">Geen enkel voertuig geselecteerd in de app komt overeen met dit voertuig (%1$s %2$s).</string>
+</resources>

app/src/google/res/values/arrays.xml

@@ -1,16 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <string-array name="pref_map_provider_names">
-        <item>@string/pref_map_provider_google_maps</item>
-        <item>@string/pref_map_provider_osm_mapbox</item>
+        <item>@string/pref_provider_google_maps</item>
+        <item>@string/pref_provider_osm_mapbox</item>
     </string-array>
     <string-array name="pref_map_provider_values" translatable="false">
         <item>google</item>
         <item>mapbox</item>
     </string-array>
     <string-array name="pref_search_provider_names">
-        <item>@string/pref_search_provider_google_maps</item>
-        <item>@string/pref_search_provider_osm_mapbox</item>
+        <item>@string/pref_provider_google_maps</item>
+        <item>@string/pref_provider_osm_mapbox</item>
     </string-array>
     <string-array name="pref_search_provider_values" translatable="false">
         <item>google</item>

app/src/google/res/values/colors.xml

@@ -3,5 +3,5 @@
     <color name="gauge_active">#00e676</color>
     <color name="gauge_middle">#087f23</color>
     <color name="gauge_inactive">#9e9e9e</color>
-    <color name="charger_100kw_dark">#fdd835</color>
+    <color name="charger_100kw_dark">#FBC02D</color>
 </resources>

app/src/google/res/values/strings.xml

@@ -28,8 +28,12 @@
     <string name="auto_chargeprice_vehicle_unavailable">EVMap could not determine your vehicle model.</string>
     <string name="auto_chargeprice_vehicle_unknown">None of the vehicles selected in the app matches this vehicle (%1$s %2$s).</string>
     <string name="auto_chargeprice_vehicle_ambiguous">Multiple vehicles selected in the app match this vehicle (%1$s %2$s).</string>
+    <string name="auto_chargers_ahead">Only chargers along driving direction</string>
     <string name="settings_android_auto_chargeprice_range">Charging range for price comparison</string>
     <string name="data_sources_hint">In the settings you can also switch between Google Maps and OpenStreetMap (Mapbox) for the map data.</string>
     <string name="selecting_all">selected all items</string>
     <string name="selecting_none">deselected all items</string>
+    <string name="loading">Loading…</string>
+    <string name="auto_multipage_goto">Page %d</string>
+    <string name="auto_multipage">(%d/%d)</string>
 </resources>

app/src/googleAutomotive/AndroidManifest.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    package="net.vonforst.evmap">
+    xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.car.permission.CAR_INFO" />
     <uses-permission android:name="android.car.permission.CAR_ENERGY" />

app/src/googleAutomotive/res/values-fr/strings.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="grant_on_phone">Autoriser</string>
+    <string name="auto_location_permission_needed">Pour exécuter EVMap sur Android Auto, vous devez autoriser l\'accès à votre emplacement.</string>
+</resources>

app/src/googleAutomotive/res/values-nb-rNO/strings.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="auto_location_permission_needed">Du må du innvilge posisjonstilgang for å kjøre EVMap i bilen din.</string>
+    <string name="grant_on_phone">Tillat</string>
+</resources>

app/src/googleAutomotive/res/values-nl/strings.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="grant_on_phone">Toestaan</string>
+    <string name="auto_location_permission_needed">Om EVmap te gebruiken in je wagen, moet je toegang geven tot je locatie.</string>
+</resources>

app/src/main/AndroidManifest.xml

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="net.vonforst.evmap">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 
     <queries>
         <intent>
@@ -15,6 +15,9 @@
             <action android:name="android.intent.action.VIEW" />
             <data android:scheme="google.navigation" />
         </intent>
+        <intent>
+            <action android:name="android.support.customtabs.action.CustomTabsService" />
+        </intent>
     </queries>
 
     <application
@@ -24,7 +27,8 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme">
+        android:theme="@style/AppTheme"
+        android:localeConfig="@xml/locales_config">
 
         <meta-data
             android:name="com.mapbox.ACCESS_TOKEN"
@@ -252,6 +256,10 @@
                     android:host="www.goingelectric.de"
                     android:pathPattern="/stromtankstellen/Ungarn/..*/..*/..*/"
                     android:scheme="https" />
+                <data
+                    android:host="openchargemap.org"
+                    android:pathPattern="/site/poi/details/..*"
+                    android:scheme="https" />
 
                 <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.BROWSABLE" />
@@ -261,6 +269,15 @@
                 android:name="android.app.shortcuts"
                 android:resource="@xml/shortcuts" />
         </activity>
+
+        <service
+            android:name="androidx.appcompat.app.AppLocalesMetadataHolderService"
+            android:enabled="false"
+            android:exported="false">
+            <meta-data
+                android:name="autoStoreLocales"
+                android:value="true" />
+        </service>
     </application>
 
 </manifest>

app/src/main/java/net/vonforst/evmap/EvMapApplication.kt

@@ -3,6 +3,7 @@ package net.vonforst.evmap
 import android.app.Application
 import com.facebook.stetho.Stetho
 import net.vonforst.evmap.storage.PreferenceDataSource
+import net.vonforst.evmap.ui.updateAppLocale
 import net.vonforst.evmap.ui.updateNightMode
 import org.acra.config.dialog
 import org.acra.config.limiter
@@ -13,7 +14,16 @@ import org.acra.ktx.initAcra
 class EvMapApplication : Application() {
     override fun onCreate() {
         super.onCreate()
-        updateNightMode(PreferenceDataSource(this))
+        val prefs = PreferenceDataSource(this)
+        updateNightMode(prefs)
+
+        // Convert to new AppCompat storage for app language
+        val lang = prefs.language
+        if (lang != null && lang !in listOf("", "default")) {
+            updateAppLocale(lang)
+            prefs.language = null
+        }
+
         Stetho.initializeWithDefaults(this);
         init(applicationContext)
 

app/src/main/java/net/vonforst/evmap/MapsActivity.kt

@@ -2,15 +2,16 @@ package net.vonforst.evmap
 
 import android.app.PendingIntent
 import android.content.ActivityNotFoundException
-import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
 import android.os.SystemClock
 import android.view.View
+import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import androidx.browser.customtabs.CustomTabColorSchemeParams
+import androidx.browser.customtabs.CustomTabsClient
 import androidx.browser.customtabs.CustomTabsIntent
 import androidx.core.content.ContextCompat
 import androidx.core.splashscreen.SplashScreen
@@ -32,7 +33,6 @@ import net.vonforst.evmap.fragment.MapFragmentArgs
 import net.vonforst.evmap.model.ChargeLocation
 import net.vonforst.evmap.navigation.NavHostFragment
 import net.vonforst.evmap.storage.PreferenceDataSource
-import net.vonforst.evmap.utils.LocaleContextWrapper
 import net.vonforst.evmap.utils.getLocationFromIntent
 
 
@@ -40,6 +40,7 @@ const val EXTRA_CHARGER_ID = "chargerId"
 const val EXTRA_LAT = "lat"
 const val EXTRA_LON = "lon"
 const val EXTRA_FAVORITES = "favorites"
+const val EXTRA_DONATE = "donate"
 
 class MapsActivity : AppCompatActivity(),
     PreferenceFragmentCompat.OnPreferenceStartFragmentCallback {
@@ -53,14 +54,6 @@ class MapsActivity : AppCompatActivity(),
     var fragmentCallback: FragmentCallback? = null
     private lateinit var prefs: PreferenceDataSource
 
-    override fun attachBaseContext(newBase: Context) {
-        return super.attachBaseContext(
-            LocaleContextWrapper.wrap(
-                newBase, PreferenceDataSource(newBase).language
-            )
-        );
-    }
-
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         val splashScreen = installSplashScreen()
@@ -83,7 +76,7 @@ class MapsActivity : AppCompatActivity(),
         val navView = findViewById<NavigationView>(R.id.nav_view)
         navView.setupWithNavController(navController)
 
-        ViewCompat.setOnApplyWindowInsetsListener(navView) { v, insets ->
+        ViewCompat.setOnApplyWindowInsetsListener(navView) { _, insets ->
             val header = navView.getHeaderView(0)
             header.setPadding(0, insets.getInsets(WindowInsetsCompat.Type.statusBars()).top, 0, 0)
             insets
@@ -141,6 +134,37 @@ class MapsActivity : AppCompatActivity(),
             } else if (intent?.scheme == "https" && intent?.data?.host == "www.goingelectric.de") {
                 val id = intent.data?.pathSegments?.last()?.toLongOrNull()
                 if (id != null) {
+                    if (prefs.dataSource != "goingelectric") {
+                        prefs.dataSource = "goingelectric"
+                        Toast.makeText(
+                            this,
+                            getString(
+                                R.string.data_source_switched_to,
+                                getString(R.string.data_source_goingelectric)
+                            ),
+                            Toast.LENGTH_LONG
+                        ).show()
+                    }
+                    deepLink = navController.createDeepLink()
+                        .setGraph(R.navigation.nav_graph)
+                        .setDestination(R.id.map)
+                        .setArguments(MapFragmentArgs(chargerId = id).toBundle())
+                        .createPendingIntent()
+                }
+            } else if (intent?.scheme == "https" && intent?.data?.host == "openchargemap.org") {
+                val id = intent.data?.pathSegments?.last()?.toLongOrNull()
+                if (id != null) {
+                    if (prefs.dataSource != "openchargemap") {
+                        prefs.dataSource = "openchargemap"
+                        Toast.makeText(
+                            this,
+                            getString(
+                                R.string.data_source_switched_to,
+                                getString(R.string.data_source_openchargemap)
+                            ),
+                            Toast.LENGTH_LONG
+                        ).show()
+                    }
                     deepLink = navController.createDeepLink()
                         .setGraph(R.navigation.nav_graph)
                         .setDestination(R.id.map)
@@ -165,6 +189,11 @@ class MapsActivity : AppCompatActivity(),
                     .setGraph(navGraph)
                     .setDestination(R.id.favs)
                     .createPendingIntent()
+            } else if (intent.hasExtra(EXTRA_DONATE)) {
+                deepLink = navController.createDeepLink()
+                    .setGraph(navGraph)
+                    .setDestination(R.id.donate)
+                    .createPendingIntent()
             }
 
             deepLink?.send()
@@ -206,6 +235,7 @@ class MapsActivity : AppCompatActivity(),
     }
 
     fun openUrl(url: String) {
+        val pkg = CustomTabsClient.getPackageName(this, null)
         val intent = CustomTabsIntent.Builder()
             .setDefaultColorSchemeParams(
                 CustomTabColorSchemeParams.Builder()
@@ -213,6 +243,11 @@ class MapsActivity : AppCompatActivity(),
                     .build()
             )
             .build()
+        pkg?.let {
+            // prefer to open URL in custom tab, even if native app
+            // available (such as EVMap itself)
+            intent.intent.setPackage(pkg)
+        }
         try {
             intent.launchUrl(this, Uri.parse(url))
         } catch (e: ActivityNotFoundException) {

app/src/main/java/net/vonforst/evmap/Utils.kt

@@ -1,16 +1,14 @@
 package net.vonforst.evmap
 
 import android.content.Context
+import android.content.pm.PackageInfo
+import android.content.pm.PackageManager
 import android.content.res.Configuration
 import android.graphics.Typeface
+import android.os.Build
 import android.os.Bundle
 import android.text.*
 import android.text.style.StyleSpan
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.Observer
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.suspendCancellableCoroutine
-import kotlinx.coroutines.withContext
 import java.util.*
 
 fun Bundle.optDouble(name: String): Double? {
@@ -77,7 +75,7 @@ fun max(a: Int?, b: Int?): Int? {
      * otherwise the non-null value or null
      */
     return if (a != null && b != null) {
-        max(a, b)
+        kotlin.math.max(a, b)
     } else {
         a ?: b
     }
@@ -85,25 +83,6 @@ fun max(a: Int?, b: Int?): Int? {
 
 fun <T> List<T>.containsAny(vararg values: T) = values.any { this.contains(it) }
 
-public suspend fun <T> LiveData<T>.await(): T {
-    return withContext(Dispatchers.Main.immediate) {
-        suspendCancellableCoroutine { continuation ->
-            val observer = object : Observer<T> {
-                override fun onChanged(value: T) {
-                    removeObserver(this)
-                    continuation.resume(value, null)
-                }
-            }
-
-            observeForever(observer)
-
-            continuation.invokeOnCancellation {
-                removeObserver(observer)
-            }
-        }
-    }
-}
-
 fun Context.isDarkMode() =
     (resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK) == Configuration.UI_MODE_NIGHT_YES
 
@@ -112,4 +91,11 @@ const val meterPerFt = 0.3048
 
 fun shouldUseImperialUnits(): Boolean {
     return Locale.getDefault().country in listOf("US", "GB", "MM", "LR")
-}
+}
+
+fun PackageManager.getPackageInfoCompat(packageName: String, flags: Int = 0): PackageInfo =
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+        getPackageInfo(packageName, PackageManager.PackageInfoFlags.of(flags.toLong()))
+    } else {
+        @Suppress("DEPRECATION") getPackageInfo(packageName, flags)
+    }

app/src/main/java/net/vonforst/evmap/adapter/DataBindingAdapters.kt

@@ -1,7 +1,6 @@
 package net.vonforst.evmap.adapter
 
 import android.view.LayoutInflater
-import android.view.View
 import android.view.ViewGroup
 import androidx.databinding.DataBindingUtil
 import androidx.databinding.ViewDataBinding
@@ -161,11 +160,12 @@ class CheckableConnectorAdapter : DataBindingAdapter<Chargepoint>() {
         val binding = holder.binding as ItemConnectorButtonBinding
         binding.enabled = enabledConnectors?.let { item.type in it } ?: true
         val root = binding.root as CheckableConstraintLayout
+        root.setOnCheckedChangeListener { _, _ -> }
         root.isChecked = checkedItem == position
         root.setOnClickListener {
             root.isChecked = true
         }
-        root.setOnCheckedChangeListener { v: View, checked: Boolean ->
+        root.setOnCheckedChangeListener { _, checked: Boolean ->
             if (checked) {
                 checkedItem = holder.bindingAdapterPosition.takeIf { it != -1 }
                 root.post {
@@ -204,7 +204,7 @@ class CheckableChargepriceCarAdapter : DataBindingAdapter<ChargepriceCar>() {
         root.setOnClickListener {
             root.isChecked = true
         }
-        root.setOnCheckedChangeListener { v: View, checked: Boolean ->
+        root.setOnCheckedChangeListener { _, checked: Boolean ->
             if (checked && item != checkedItem) {
                 checkedItem = item
                 root.post {

app/src/main/java/net/vonforst/evmap/adapter/DetailsAdapter.kt

@@ -10,6 +10,8 @@ import net.vonforst.evmap.model.ChargeCardId
 import net.vonforst.evmap.model.ChargeLocation
 import net.vonforst.evmap.model.OpeningHoursDays
 import net.vonforst.evmap.plus
+import net.vonforst.evmap.utils.formatDMS
+import net.vonforst.evmap.utils.formatDecimal
 import java.time.ZoneId
 import java.time.format.DateTimeFormatter
 import java.time.format.FormatStyle

app/src/main/java/net/vonforst/evmap/adapter/FilterProfilesAdapter.kt

@@ -25,7 +25,7 @@ class FilterProfilesAdapter(
         super.bind(holder, item)
 
         val binding = holder.binding as ItemFilterProfileBinding
-        binding.handle.setOnTouchListener { v, event ->
+        binding.handle.setOnTouchListener { _, event ->
             if (event?.action == MotionEvent.ACTION_DOWN) {
                 dragHelper.startDrag(holder)
             }

app/src/main/java/net/vonforst/evmap/adapter/SingleViewAdapter.kt

@@ -0,0 +1,20 @@
+package net.vonforst.evmap.adapter
+
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.Adapter
+
+class SingleViewAdapter(val view: View) : Adapter<SingleViewAdapter.ViewHolder>() {
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        return ViewHolder(view)
+    }
+
+    class ViewHolder(view: View) : RecyclerView.ViewHolder(view)
+
+    override fun getItemCount() = 1
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+    }
+}

app/src/main/java/net/vonforst/evmap/api/ChargepointApi.kt

@@ -34,7 +34,8 @@ interface ChargepointApi<out T : ReferenceData> {
 
     fun getFilters(referenceData: ReferenceData, sp: StringProvider): List<Filter<FilterValue>>
 
-    fun getName(): String
+    val name: String
+    val id: String
 }
 
 interface StringProvider {

app/src/main/java/net/vonforst/evmap/api/availability/AvailabilityDetector.kt

@@ -71,19 +71,19 @@ abstract class BaseAvailabilityDetector(private val client: OkHttpClient) : Avai
             connectors: Map<Long, Pair<Double, String>>,
             chargepoints: List<Chargepoint>
         ): Map<Chargepoint, Set<Long>> {
-            var chargepoints = chargepoints
+            var cpts = chargepoints
 
             // iterate over each connector type
             val types = connectors.map { it.value.second }.distinct().toSet()
             val equivalentTypes = types.map { equivalentPlugTypes(it).plus(it) }.cartesianProduct()
-            var geTypes = chargepoints.map { it.type }.distinct().toSet()
+            var geTypes = cpts.map { it.type }.distinct().toSet()
             if (!equivalentTypes.any { it == geTypes } && geTypes.size > 1 && geTypes.contains(
                     Chargepoint.SCHUKO
                 )) {
                 // If charger has household plugs and other plugs, try removing the household plugs
                 // (common e.g. in Hamburg -> 2x Type 2 + 2x Schuko, but NM only lists Type 2)
                 geTypes = geTypes.filter { it != Chargepoint.SCHUKO }.toSet()
-                chargepoints = chargepoints.filter { it.type != Chargepoint.SCHUKO }
+                cpts = cpts.filter { it.type != Chargepoint.SCHUKO }
             }
             if (!equivalentTypes.any { it == geTypes }) throw AvailabilityDetectorException("chargepoints do not match")
             return types.flatMap { type ->
@@ -93,14 +93,14 @@ abstract class BaseAvailabilityDetector(private val client: OkHttpClient) : Avai
                 val powers = connsOfType.map { it.value.first }.distinct().sorted()
                 // find corresponding powers in GE data
                 val gePowers =
-                    chargepoints.filter { equivalentPlugTypes(it.type).any { it == type } }
+                    cpts.filter { equivalentPlugTypes(it.type).any { it == type } }
                         .mapNotNull { it.power }.distinct().sorted()
 
                 // if the distinct number of powers is the same, try to match.
                 if (powers.size == gePowers.size) {
                     gePowers.zip(powers).map { (gePower, power) ->
                         val chargepoint =
-                            chargepoints.find { equivalentPlugTypes(it.type).any { it == type } && it.power == gePower }!!
+                            cpts.find { equivalentPlugTypes(it.type).any { it == type } && it.power == gePower }!!
                         val ids = connsOfType.filter { it.value.first == power }.keys
                         if (chargepoint.count != ids.size) {
                             throw AvailabilityDetectorException("chargepoints do not match")
@@ -108,7 +108,7 @@ abstract class BaseAvailabilityDetector(private val client: OkHttpClient) : Avai
                         chargepoint to ids
                     }
                 } else if (powers.size == 1 && gePowers.size == 2
-                    && chargepoints.sumOf { it.count } == connsOfType.size
+                    && cpts.sumOf { it.count } == connsOfType.size
                 ) {
                     // special case: dual charger(s) with load balancing
                     // GoingElectric shows 2 different powers, NewMotion just one
@@ -116,7 +116,7 @@ abstract class BaseAvailabilityDetector(private val client: OkHttpClient) : Avai
                     var i = 0
                     gePowers.map { gePower ->
                         val chargepoint =
-                            chargepoints.find { it.type in equivalentPlugTypes(type) && it.power == gePower }!!
+                            cpts.find { it.type in equivalentPlugTypes(type) && it.power == gePower }!!
                         val ids = allIds.subList(i, i + chargepoint.count).toSet()
                         i += chargepoint.count
                         chargepoint to ids
@@ -132,7 +132,8 @@ abstract class BaseAvailabilityDetector(private val client: OkHttpClient) : Avai
 
 data class ChargeLocationStatus(
     val status: Map<Chargepoint, List<ChargepointStatus>>,
-    val source: String
+    val source: String,
+    val evseIds: Map<Chargepoint, List<String>>? = null
 ) {
     fun applyFilters(connectors: Set<String>?, minPower: Int?): ChargeLocationStatus {
         val statusFiltered = status.filterKeys {

app/src/main/java/net/vonforst/evmap/api/availability/ChargecloudAvailabilityDetector.kt

@@ -51,7 +51,7 @@ interface ChargecloudApi {
     )
 
     companion object {
-        fun create(client: OkHttpClient, baseUrl: String? = null): ChargecloudApi {
+        fun create(client: OkHttpClient, baseUrl: String): ChargecloudApi {
             val retrofit = Retrofit.Builder()
                 .baseUrl(baseUrl)
                 .addConverterFactory(MoshiConverterFactory.create())

app/src/main/java/net/vonforst/evmap/api/availability/EnBwAvailabilityDetector.kt

@@ -152,13 +152,14 @@ class EnBwAvailabilityDetector(client: OkHttpClient, baseUrl: String? = null) :
 
         val connectorStatus = details.flatMap { it.chargePoints }.flatMap { cp ->
             cp.connectors.map { connector ->
-                connector to cp.status
+                Triple(connector, cp.status, cp.evseId)
             }
         }
 
         val enbwConnectors = mutableMapOf<Long, Pair<Double, String>>()
         val enbwStatus = mutableMapOf<Long, ChargepointStatus>()
-        connectorStatus.forEachIndexed { index, (connector, statusStr) ->
+        val enbwEvseId = mutableMapOf<Long, String>()
+        connectorStatus.forEachIndexed { index, (connector, statusStr, evseId) ->
             val id = index.toLong()
             val power = connector.maxPowerInKw ?: 0.0
             val type = when (connector.plugTypeName) {
@@ -179,17 +180,22 @@ class EnBwAvailabilityDetector(client: OkHttpClient, baseUrl: String? = null) :
                 "UNSPECIFIED" -> ChargepointStatus.UNKNOWN
                 else -> ChargepointStatus.UNKNOWN
             }
-            enbwConnectors.put(id, power to type)
-            enbwStatus.put(id, status)
+            enbwConnectors[id] = power to type
+            enbwStatus[id] = status
+            evseId?.let { enbwEvseId[id] = it }
         }
 
         val match = matchChargepoints(enbwConnectors, location.chargepointsMerged)
         val chargepointStatus = match.mapValues { entry ->
             entry.value.map { enbwStatus[it]!! }
         }
+        val evseIds = if (enbwEvseId.size == enbwStatus.size) match.mapValues { entry ->
+            entry.value.map { enbwEvseId[it]!! }
+        } else null
         return ChargeLocationStatus(
             chargepointStatus,
-            "EnBW"
+            "EnBW",
+            evseIds
         )
     }
 

app/src/main/java/net/vonforst/evmap/api/availability/NewMotionAvailabilityDetector.kt

@@ -130,16 +130,17 @@ class NewMotionAvailabilityDetector(client: OkHttpClient, baseUrl: String? = nul
         }
         val connectorStatus = details.flatMap { it.evses }.flatMap { evse ->
             evse.connectors.map { connector ->
-                connector to evse.status
+                Triple(connector, evse.status, evse.evseId)
             }
         }
 
         val nmConnectors = mutableMapOf<Long, Pair<Double, String>>()
         val nmStatus = mutableMapOf<Long, ChargepointStatus>()
-        connectorStatus.forEach { (connector, statusStr) ->
+        val nmEvseId = mutableMapOf<Long, String>()
+        connectorStatus.forEach { (connector, statusStr, evseId) ->
             val id = connector.uid
             val power = connector.electricalProperties.getPower()
-            val type = when (connector.connectorType.toLowerCase(Locale.ROOT)) {
+            val type = when (connector.connectorType.lowercase(Locale.ROOT)) {
                 "type3" -> Chargepoint.TYPE_3
                 "type2" -> Chargepoint.TYPE_2_UNKNOWN
                 "type1" -> Chargepoint.TYPE_1
@@ -161,15 +162,20 @@ class NewMotionAvailabilityDetector(client: OkHttpClient, baseUrl: String? = nul
             }
             nmConnectors.put(id, power to type)
             nmStatus.put(id, status)
+            evseId?.let { nmEvseId[id] = it }
         }
 
         val match = matchChargepoints(nmConnectors, location.chargepointsMerged)
         val chargepointStatus = match.mapValues { entry ->
             entry.value.map { nmStatus[it]!! }
         }
+        val evseIds = if (nmEvseId.size == nmStatus.size) match.mapValues { entry ->
+            entry.value.map { nmEvseId[it]!! }
+        } else null
         return ChargeLocationStatus(
             chargepointStatus,
-            "NewMotion"
+            "NewMotion",
+            evseIds
         )
     }
 

app/src/main/java/net/vonforst/evmap/api/chargeprice/ChargepriceApi.kt

@@ -112,18 +112,47 @@ interface ChargepriceApi {
             else -> throw IllegalArgumentException()
         }
 
+        /**
+         * Checks if a charger is supported by Chargeprice.
+         *
+         * This function just applies some heuristics on the charger's data without making API
+         * calls. If it returns true, that is not a guarantee that Chargeprice will have information
+         * on this charger. But if it is false, it is pretty unlikely that Chargeprice will have
+         * useful data, so we do not show the price comparison button in this case.
+         */
         @JvmStatic
-        fun isCountrySupported(country: String, dataSource: String): Boolean = when (dataSource) {
-            // list of countries updated 2021/08/24
-            "goingelectric" -> country in listOf(
-                "Deutschland",
-                "Österreich",
-                "Schweiz",
-                "Frankreich",
-                "Belgien",
-                "Niederlande",
-                "Luxemburg",
-                "Dänemark",
+        fun isChargerSupported(charger: ChargeLocation): Boolean {
+            val dataSourceSupported = charger.dataSource in listOf("goingelectric", "openchargemap")
+            val countrySupported =
+                charger.chargepriceData?.country?.let { isCountrySupported(it, charger.dataSource) }
+                    ?: false
+            val networkSupported = charger.chargepriceData?.network?.let {
+                if (charger.dataSource == "openchargemap") {
+                    it !in listOf(
+                        "1", // unknown operator
+                        "44", // private residence/individual
+                        "45"  // business owner at location
+                    )
+                } else {
+                    true
+                }
+            } ?: false
+            val powerAvailable = charger.chargepoints.all { it.hasKnownPower() }
+            return dataSourceSupported && countrySupported && networkSupported && powerAvailable
+        }
+
+        private fun isCountrySupported(country: String, dataSource: String): Boolean =
+            when (dataSource) {
+                "goingelectric" -> country in listOf(
+                    // list of countries according to Chargeprice.app, 2021/08/24
+                    "Deutschland",
+                    "Österreich",
+                    "Schweiz",
+                    "Frankreich",
+                    "Belgien",
+                    "Niederlande",
+                    "Luxemburg",
+                    "Dänemark",
                 "Norwegen",
                 "Schweden",
                 "Slowenien",
@@ -133,9 +162,28 @@ interface ChargepriceApi {
                 "Italien",
                 "Spanien",
                 "Großbritannien",
-                "Irland"
+                "Irland",
+                // additional countries found 2022/09/17, https://github.com/ev-map/EVMap/issues/234
+                "Finnland",
+                "Lettland",
+                "Litauen",
+                "Estland",
+                "Liechtenstein",
+                "Rumänien",
+                "Slowakei",
+                "Slowenien",
+                "Polen",
+                "Serbien",
+                "Bulgarien",
+                "Kosovo",
+                "Montenegro",
+                "Albanien",
+                "Griechenland",
+                "Portugal",
+                "Island"
             )
             "openchargemap" -> country in listOf(
+                // list of countries according to Chargeprice.app, 2021/08/24
                 "DE",
                 "AT",
                 "CH",
@@ -153,7 +201,25 @@ interface ChargepriceApi {
                 "IT",
                 "ES",
                 "GB",
-                "IE"
+                "IE",
+                // additional countries found 2022/09/17, https://github.com/ev-map/EVMap/issues/234
+                "FI",
+                "LV",
+                "LT",
+                "EE",
+                "LI",
+                "RO",
+                "SK",
+                "SI",
+                "PL",
+                "RS",
+                "BG",
+                "XK",
+                "ME",
+                "AL",
+                "GR",
+                "PT",
+                "IS"
             )
             else -> false
         }

app/src/main/java/net/vonforst/evmap/api/chargeprice/ChargepriceModel.kt

@@ -1,12 +1,15 @@
 package net.vonforst.evmap.api.chargeprice
 
 import android.content.Context
+import android.os.Parcel
 import android.os.Parcelable
 import android.util.Patterns
 import com.squareup.moshi.Json
 import com.squareup.moshi.JsonClass
 import jsonapi.*
+import kotlinx.parcelize.Parceler
 import kotlinx.parcelize.Parcelize
+import kotlinx.parcelize.WriteWith
 import net.vonforst.evmap.R
 import net.vonforst.evmap.adapter.Equatable
 import net.vonforst.evmap.api.equivalentPlugTypes
@@ -77,7 +80,9 @@ data class ChargepriceOptions(
     val currency: String? = null,
     @Json(name = "start_time") val startTime: Int? = null,
     @Json(name = "allow_unbalanced_load") val allowUnbalancedLoad: Boolean? = null,
-    @Json(name = "provider_customer_tariffs") val providerCustomerTariffs: Boolean? = null
+    @Json(name = "provider_customer_tariffs") val providerCustomerTariffs: Boolean? = null,
+    @Json(name = "show_price_unavailable") val showPriceUnavailable: Boolean? = null,
+    @Json(name = "show_all_brand_restricted_tariffs") val showAllBrandRestrictedTariffs: Boolean? = null
 )
 
 @Resource("tariff")
@@ -109,9 +114,7 @@ data class ChargepriceCar(
     val brand: String,
 
     @Json(name = "dc_charge_ports")
-    val dcChargePorts: List<String>,
-    @ToOne("manufacturer")
-    val manufacturer: ChargepriceBrand?
+    val dcChargePorts: List<String>
 ) : Equatable, Parcelable {
 
     companion object {
@@ -180,9 +183,12 @@ data class ChargePrice(
     @Json(name = "branding")
     val branding: ChargepriceBranding? = null,
 
-    @ToOne("tariff")
-    val tariff: ChargepriceTariff?
+    @RelationshipsObject
+    val relationships: @WriteWith<RelationshipsParceler>() Relationships? = null,
 ) : Equatable, Cloneable, Parcelable {
+    val tariffId: String?
+        get() = (relationships?.get("tariff") as? Relationship.ToOne)?.data?.id
+
     fun formatMonthlyFees(ctx: Context): String {
         return listOfNotNull(
             if (totalMonthlyFee > 0) {
@@ -195,12 +201,76 @@ data class ChargePrice(
     }
 }
 
+/**
+ * Parceler implementation for the Relationships object.
+ * Note that this ignores certain fields that we don't need (links, meta, etc.)
+ */
+internal object RelationshipsParceler : Parceler<Relationships?> {
+    override fun create(parcel: Parcel): Relationships? {
+        if (parcel.readInt() == 0) return null
+
+        val nMembers = parcel.readInt()
+        val members = (0 until nMembers).map { _ ->
+            val key = parcel.readString()!!
+            val value = if (parcel.readInt() == 0) {
+                val type = parcel.readString()
+                val id = parcel.readString()
+                val ri = if (type != null && id != null) {
+                    ResourceIdentifier(type, id)
+                } else null
+                Relationship.ToOne(ri)
+            } else {
+                val size = parcel.readInt()
+                val ris = (0 until size).map { _ ->
+                    val type = parcel.readString()!!
+                    val id = parcel.readString()!!
+                    ResourceIdentifier(type, id)
+                }
+                Relationship.ToMany(ris)
+            }
+            key to value
+        }.toMap()
+
+        return Relationships(members)
+    }
+
+    override fun Relationships?.write(parcel: Parcel, flags: Int) {
+        if (this == null) {
+            parcel.writeInt(0)
+            return
+        } else {
+            parcel.writeInt(1)
+        }
+
+        parcel.writeInt(members.size)
+        for (member in this.members) {
+            parcel.writeString(member.key)
+            when (val value = member.value) {
+                is Relationship.ToOne -> {
+                    parcel.writeInt(0)
+                    parcel.writeString(value.data?.type)
+                    parcel.writeString(value.data?.id)
+                }
+                is Relationship.ToMany -> {
+                    parcel.writeInt(1)
+                    parcel.writeInt(value.data.size)
+                    for (ri in value.data) {
+                        parcel.writeString(ri.type)
+                        parcel.writeString(ri.id)
+                    }
+                }
+            }
+        }
+
+    }
+}
+
 @JsonClass(generateAdapter = true)
 @Parcelize
 data class ChargepointPrice(
     val power: Double,
     val plug: String,
-    val price: Double,
+    val price: Double?,
     @Json(name = "price_distribution") val priceDistribution: PriceDistribution,
     @Json(name = "blocking_fee_start") val blockingFeeStart: Int?,
     @Json(name = "no_price_reason") var noPriceReason: String?

app/src/main/java/net/vonforst/evmap/api/fronyx/FronyxAdapters.kt

@@ -0,0 +1,13 @@
+package net.vonforst.evmap.api.fronyx
+
+import com.squareup.moshi.FromJson
+import com.squareup.moshi.ToJson
+import java.time.ZonedDateTime
+
+internal class ZonedDateTimeAdapter {
+    @FromJson
+    fun fromJson(value: String): ZonedDateTime? = ZonedDateTime.parse(value)
+
+    @ToJson
+    fun toJson(value: ZonedDateTime): String = value.toString()
+}

app/src/main/java/net/vonforst/evmap/api/fronyx/FronyxApiRetrofit.kt

@@ -0,0 +1,111 @@
+package net.vonforst.evmap.api.fronyx
+
+import android.content.Context
+import com.facebook.stetho.okhttp3.StethoInterceptor
+import com.squareup.moshi.Moshi
+import net.vonforst.evmap.BuildConfig
+import net.vonforst.evmap.model.ChargeLocation
+import net.vonforst.evmap.model.Chargepoint
+import okhttp3.Cache
+import okhttp3.OkHttpClient
+import retrofit2.Retrofit
+import retrofit2.converter.moshi.MoshiConverterFactory
+import retrofit2.http.GET
+import retrofit2.http.Path
+import retrofit2.http.Query
+
+private interface FronyxApiRetrofit {
+    @GET("predictions/evse-id/{evseId}")
+    suspend fun getPredictionsForEvseId(
+        @Path("evseId") evseId: String,
+        @Query("timeframe") timeframe: Int? = null
+    ): FronyxEvseIdResponse
+
+    @GET("predictions/evses")
+    suspend fun getPredictionsForEvseIds(
+        @Query("evseIds", encoded = true) evseIds: String  // comma-separated
+    ): List<FronyxEvseIdResponse>
+
+    companion object {
+        private val cacheSize = 1L * 1024 * 1024 // 1MB
+
+        private val moshi = Moshi.Builder()
+            .add(ZonedDateTimeAdapter())
+            .build()
+
+        fun create(
+            apikey: String,
+            baseurl: String = "https://api.fronyx.io/api/",
+            context: Context? = null
+        ): FronyxApiRetrofit {
+            val client = OkHttpClient.Builder().apply {
+                addInterceptor { chain ->
+                    // add API key to every request
+                    val original = chain.request()
+                    val new = original.newBuilder()
+                        .header("X-API-Token", apikey)
+                        .header("Content-Type", "application/json")
+                        .build()
+                    chain.proceed(new)
+                }
+                if (BuildConfig.DEBUG) {
+                    addNetworkInterceptor(StethoInterceptor())
+                }
+                if (context != null) {
+                    cache(Cache(context.getCacheDir(), cacheSize))
+                }
+            }.build()
+
+            val retrofit = Retrofit.Builder()
+                .baseUrl(baseurl)
+                .addConverterFactory(MoshiConverterFactory.create(moshi))
+                .client(client)
+                .build()
+            return retrofit.create(FronyxApiRetrofit::class.java)
+        }
+    }
+}
+
+class FronyxApi(
+    apikey: String,
+    baseurl: String = "https://api.fronyx.io/api/",
+    context: Context? = null
+) {
+    private val api = FronyxApiRetrofit.create(apikey, baseurl, context)
+
+    suspend fun getPredictionsForEvseId(
+        evseId: String,
+        timeframe: Int? = null
+    ): FronyxEvseIdResponse = api.getPredictionsForEvseId(evseId, timeframe)
+
+    suspend fun getPredictionsForEvseIds(
+        evseIds: List<String>
+    ): List<FronyxEvseIdResponse> = api.getPredictionsForEvseIds(evseIds.joinToString(","))
+
+    companion object {
+        /**
+         * Checks if a chargepoint is supported by Fronyx.
+         *
+         * This function just applies some heuristics on the charger's data without making API
+         * calls. If it returns true, that is not a guarantee that Fronyx will have information
+         * on this chargepoint. But if it is false, it is pretty unlikely that Fronyx will have
+         * useful data, so we do not try to load the data in this case.
+         */
+        fun isChargepointSupported(charger: ChargeLocation, chargepoint: Chargepoint): Boolean {
+            if (charger.address?.country !in listOf("Deutschland", "Germany")) {
+                // fronyx only predicts for chargers in Germany for now
+                return false
+            }
+            if (chargepoint.type !in listOf(
+                    Chargepoint.CCS_UNKNOWN,
+                    Chargepoint.CCS_TYPE_2,
+                    Chargepoint.CHADEMO
+                )
+            ) {
+                // fronyx only predicts DC chargers for now
+                return false
+            }
+            return true
+        }
+    }
+}

app/src/main/java/net/vonforst/evmap/api/fronyx/FronyxModel.kt

@@ -0,0 +1,21 @@
+package net.vonforst.evmap.api.fronyx
+
+import com.squareup.moshi.JsonClass
+import java.time.ZonedDateTime
+
+@JsonClass(generateAdapter = true)
+data class FronyxEvseIdResponse(
+    val evseId: String,
+    val predictions: List<FronyxPrediction>,
+    val locationId: String?
+)
+
+@JsonClass(generateAdapter = true)
+data class FronyxPrediction(
+    val timestamp: ZonedDateTime,
+    val status: FronyxStatus
+)
+
+enum class FronyxStatus {
+    AVAILABLE, UNAVAILABLE
+}

app/src/main/java/net/vonforst/evmap/api/goingelectric/GoingElectricAdapters.kt

@@ -71,10 +71,10 @@ internal class JsonObjectOrFalseAdapter<T> private constructor(
     private val clazz: Class<*>
 ) : JsonAdapter<T>() {
 
-    class Factory() : JsonAdapter.Factory {
+    class Factory : JsonAdapter.Factory {
         override fun create(
             type: Type,
-            annotations: Set<Annotation>?,
+            annotations: Set<Annotation>,
             moshi: Moshi
         ): JsonAdapter<Any>? {
             val clazz = Types.getRawType(type)

app/src/main/java/net/vonforst/evmap/api/goingelectric/GoingElectricApi.kt

@@ -129,7 +129,8 @@ class GoingElectricApiWrapper(
     private val clusterThreshold = 11f
     val api = GoingElectricApi.create(apikey, baseurl, context)
 
-    override fun getName() = "GoingElectric.de"
+    override val name = "GoingElectric.de"
+    override val id = "going_electric"
 
     override suspend fun getChargepoints(
         referenceData: ReferenceData,
@@ -398,10 +399,10 @@ class GoingElectricApiWrapper(
         referenceData: ReferenceData,
         sp: StringProvider
     ): List<Filter<FilterValue>> {
-        val referenceData = referenceData as GEReferenceData
-        val plugs = referenceData.plugs
-        val networks = referenceData.networks
-        val chargeCards = referenceData.chargecards
+        val refData = referenceData as GEReferenceData
+        val plugs = refData.plugs
+        val networks = refData.networks
+        val chargeCards = refData.chargecards
 
         val plugMap = plugs.map { plug ->
             plug to nameForPlugType(sp, GEChargepoint.convertTypeFromGE(plug))
@@ -467,17 +468,17 @@ class GoingElectricApiWrapper(
                 sp.getString(R.string.filter_networks), "networks",
                 networkMap, manyChoices = true
             ),
-            MultipleChoiceFilter(
-                sp.getString(R.string.categories), "categories",
-                categoryMap,
-                manyChoices = true
-            ),
+            BooleanFilter(sp.getString(R.string.filter_exclude_faults), "exclude_faults"),
             BooleanFilter(sp.getString(R.string.filter_barrierfree), "barrierfree"),
             MultipleChoiceFilter(
                 sp.getString(R.string.filter_chargecards), "chargecards",
                 chargecardMap, manyChoices = true
             ),
-            BooleanFilter(sp.getString(R.string.filter_exclude_faults), "exclude_faults")
+            MultipleChoiceFilter(
+                sp.getString(R.string.categories), "categories",
+                categoryMap,
+                manyChoices = true
+            )
         )
     }
 }

app/src/main/java/net/vonforst/evmap/api/openchargemap/OpenChargeMapApi.kt

@@ -108,7 +108,8 @@ class OpenChargeMapApiWrapper(
     private val clusterThreshold = 11
     val api = OpenChargeMapApi.create(apikey, baseurl, context)
 
-    override fun getName() = "OpenChargeMap.org"
+    override val name = "OpenChargeMap.org"
+    override val id = "open_charge_map"
 
     private fun formatMultipleChoice(value: MultipleChoiceFilterValue?) =
         if (value == null || value.all) null else value.values.joinToString(",")
@@ -119,7 +120,7 @@ class OpenChargeMapApiWrapper(
         zoom: Float,
         filters: FilterValues?,
     ): Resource<List<ChargepointListItem>> {
-        val referenceData = referenceData as OCMReferenceData
+        val refData = referenceData as OCMReferenceData
 
         val minPower = filters?.getSliderValue("min_power")?.toDouble()
         val minConnectors = filters?.getSliderValue("min_connectors")
@@ -132,7 +133,7 @@ class OpenChargeMapApiWrapper(
         }
         val connectors = formatMultipleChoice(connectorsVal)
 
-        val operatorsVal = filters?.getMultipleChoiceValue("operators")!!
+        val operatorsVal = filters?.getMultipleChoiceValue("operators")
         if (operatorsVal != null && operatorsVal.values.isEmpty() && !operatorsVal.all) {
             // no operators chosen
             return Resource.success(emptyList())
@@ -159,7 +160,7 @@ class OpenChargeMapApiWrapper(
                 minPower,
                 connectorsVal,
                 minConnectors,
-                referenceData,
+                refData,
                 zoom
             )
             return Resource.success(result)
@@ -175,7 +176,7 @@ class OpenChargeMapApiWrapper(
         zoom: Float,
         filters: FilterValues?
     ): Resource<List<ChargepointListItem>> {
-        val referenceData = referenceData as OCMReferenceData
+        val refData = referenceData as OCMReferenceData
 
         val minPower = filters?.getSliderValue("min_power")?.toDouble()
         val minConnectors = filters?.getSliderValue("min_connectors")
@@ -213,7 +214,7 @@ class OpenChargeMapApiWrapper(
                 minPower,
                 connectorsVal,
                 minConnectors,
-                referenceData,
+                refData,
                 zoom
             )
             return Resource.success(result)
@@ -253,11 +254,11 @@ class OpenChargeMapApiWrapper(
         referenceData: ReferenceData,
         id: Long
     ): Resource<ChargeLocation> {
-        val referenceData = referenceData as OCMReferenceData
+        val refData = referenceData as OCMReferenceData
         try {
             val response = api.getChargepointDetail(id)
             if (response.isSuccessful && response.body()?.size == 1) {
-                return Resource.success(response.body()!![0].convert(referenceData, true))
+                return Resource.success(response.body()!![0].convert(refData, true))
             } else {
                 return Resource.error(response.message(), null)
             }
@@ -283,10 +284,10 @@ class OpenChargeMapApiWrapper(
         referenceData: ReferenceData,
         sp: StringProvider
     ): List<Filter<FilterValue>> {
-        val referenceData = referenceData as OCMReferenceData
+        val refData = referenceData as OCMReferenceData
 
-        val operatorsMap = referenceData.operators.map { it.id.toString() to it.title }.toMap()
-        val plugMap = referenceData.connectionTypes.map { it.id.toString() to it.title }.toMap()
+        val operatorsMap = refData.operators.map { it.id.toString() to it.title }.toMap()
+        val plugMap = refData.connectionTypes.map { it.id.toString() to it.title }.toMap()
 
         return listOf(
             // supported by OCM API

app/src/main/java/net/vonforst/evmap/fragment/ChargepriceFragment.kt

@@ -13,6 +13,7 @@ import androidx.lifecycle.Observer
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.fragment.navArgs
 import androidx.navigation.ui.setupWithNavController
+import androidx.recyclerview.widget.ConcatAdapter
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.google.android.material.color.MaterialColors
@@ -24,10 +25,12 @@ import net.vonforst.evmap.R
 import net.vonforst.evmap.adapter.ChargepriceAdapter
 import net.vonforst.evmap.adapter.CheckableChargepriceCarAdapter
 import net.vonforst.evmap.adapter.CheckableConnectorAdapter
+import net.vonforst.evmap.adapter.SingleViewAdapter
 import net.vonforst.evmap.api.chargeprice.ChargepriceApi
 import net.vonforst.evmap.api.chargeprice.ChargepriceCar
 import net.vonforst.evmap.api.equivalentPlugTypes
 import net.vonforst.evmap.databinding.FragmentChargepriceBinding
+import net.vonforst.evmap.databinding.FragmentChargepriceHeaderBinding
 import net.vonforst.evmap.model.Chargepoint
 import net.vonforst.evmap.storage.PreferenceDataSource
 import net.vonforst.evmap.viewmodel.ChargepriceViewModel
@@ -37,6 +40,7 @@ import java.text.NumberFormat
 
 class ChargepriceFragment : Fragment() {
     private lateinit var binding: FragmentChargepriceBinding
+    private lateinit var headerBinding: FragmentChargepriceHeaderBinding
     private var connectionErrorSnackbar: Snackbar? = null
 
     private val vm: ChargepriceViewModel by viewModels(factoryProducer = {
@@ -91,8 +95,14 @@ class ChargepriceFragment : Fragment() {
             inflater,
             R.layout.fragment_chargeprice, container, false
         )
+        headerBinding = DataBindingUtil.inflate(
+            inflater,
+            R.layout.fragment_chargeprice_header, container, false
+        )
         binding.lifecycleOwner = this
         binding.vm = vm
+        headerBinding.lifecycleOwner = this
+        headerBinding.vm = vm
 
         binding.toolbar.inflateMenu(R.menu.chargeprice)
         binding.toolbar.setTitle(R.string.chargeprice_title)
@@ -117,7 +127,7 @@ class ChargepriceFragment : Fragment() {
         }
 
         val vehicleAdapter = CheckableChargepriceCarAdapter()
-        binding.vehicleSelection.adapter = vehicleAdapter
+        headerBinding.vehicleSelection.adapter = vehicleAdapter
         val vehicleObserver: Observer<ChargepriceCar> = Observer {
             vehicleAdapter.setCheckedItem(it)
         }
@@ -133,8 +143,12 @@ class ChargepriceFragment : Fragment() {
                 (requireActivity() as MapsActivity).openUrl(it.url)
             }
         }
+        val joinedAdapter = ConcatAdapter(
+            SingleViewAdapter(headerBinding.root),
+            chargepriceAdapter
+        )
         binding.chargePricesList.apply {
-            adapter = chargepriceAdapter
+            adapter = joinedAdapter
             layoutManager =
                 LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false)
             addItemDecoration(
@@ -152,6 +166,9 @@ class ChargepriceFragment : Fragment() {
         vm.myTariffsAll.observe(viewLifecycleOwner) {
             chargepriceAdapter.myTariffsAll = it
         }
+        vm.chargePricesForChargepoint.observe(viewLifecycleOwner) {
+            it?.data?.let { chargepriceAdapter.submitList(it) }
+        }
 
         val connectorsAdapter = CheckableConnectorAdapter()
 
@@ -170,7 +187,7 @@ class ChargepriceFragment : Fragment() {
                 plugs?.flatMap { plug -> equivalentPlugTypes(plug) }
         }
 
-        binding.connectorsList.apply {
+        headerBinding.connectorsList.apply {
             adapter = connectorsAdapter
             layoutManager = LinearLayoutManager(context, LinearLayoutManager.HORIZONTAL, false)
         }
@@ -183,12 +200,12 @@ class ChargepriceFragment : Fragment() {
             findNavController().navigate(R.id.action_chargeprice_to_chargepriceSettingsFragment)
         }
 
-        binding.batteryRange.setLabelFormatter { value: Float ->
+        headerBinding.batteryRange.setLabelFormatter { value: Float ->
             val fmt = NumberFormat.getNumberInstance()
             fmt.maximumFractionDigits = 0
             fmt.format(value.toDouble()) + "%"
         }
-        binding.batteryRange.setOnTouchListener { _: View, motionEvent: MotionEvent ->
+        headerBinding.batteryRange.setOnTouchListener { _: View, motionEvent: MotionEvent ->
             when (motionEvent.actionMasked) {
                 MotionEvent.ACTION_DOWN -> vm.batteryRangeSliderDragging.value = true
                 MotionEvent.ACTION_UP -> vm.batteryRangeSliderDragging.value = false

app/src/main/java/net/vonforst/evmap/fragment/DataSourceSelectDialog.kt

@@ -27,7 +27,7 @@ class DataSourceSelectDialog : MaterialDialogFragment() {
         }
     }
 
-    override fun onCreateView(
+    override fun createView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?

app/src/main/java/net/vonforst/evmap/fragment/FavoritesFragment.kt

@@ -44,8 +44,7 @@ class FavoritesFragment : Fragment() {
     private val vm: FavoritesViewModel by viewModels(factoryProducer = {
         viewModelFactory {
             FavoritesViewModel(
-                requireActivity().application,
-                getString(R.string.goingelectric_key)
+                requireActivity().application
             )
         }
     })

app/src/main/java/net/vonforst/evmap/fragment/FilterFragment.kt

@@ -98,6 +98,12 @@ class FilterFragment : Fragment(), MenuProvider {
                 saveProfile()
                 true
             }
+            R.id.menu_reset -> {
+                lifecycleScope.launch {
+                    vm.resetValues()
+                }
+                true
+            }
             else -> false
         }
     }
@@ -114,7 +120,7 @@ class FilterFragment : Fragment(), MenuProvider {
 
             dialog.setTitle(R.string.save_as_profile)
                 .setMessage(R.string.save_profile_enter_name)
-                .setPositiveButton(R.string.ok) { di, button ->
+                .setPositiveButton(R.string.ok) { _, _ ->
                     if (input.text.isBlank()) {
                         saveProfile(true)
                     } else {
@@ -124,7 +130,7 @@ class FilterFragment : Fragment(), MenuProvider {
                         }
                     }
                 }
-                .setNegativeButton(R.string.cancel) { di, button ->
+                .setNegativeButton(R.string.cancel) { _, _ ->
 
                 }
         }

app/src/main/java/net/vonforst/evmap/fragment/FilterProfilesFragment.kt

@@ -188,12 +188,12 @@ class FilterProfilesFragment : Fragment() {
 
                 dialog.setTitle(R.string.rename)
                     .setMessage(R.string.save_profile_enter_name)
-                    .setPositiveButton(R.string.ok) { di, button ->
+                    .setPositiveButton(R.string.ok) { _, _ ->
                         lifecycleScope.launch {
                             vm.update(fp.copy(name = input.text.toString()))
                         }
                     }
-                    .setNegativeButton(R.string.cancel) { di, button ->
+                    .setNegativeButton(R.string.cancel) { _, _ ->
 
                     }
             }

app/src/main/java/net/vonforst/evmap/fragment/MapFragment.kt

@@ -56,8 +56,7 @@ import com.google.android.material.transition.MaterialContainerTransform
 import com.google.android.material.transition.MaterialFadeThrough
 import com.google.android.material.transition.MaterialSharedAxis
 import com.mahc.custombottomsheetbehavior.BottomSheetBehaviorGoogleMapsLike
-import com.mahc.custombottomsheetbehavior.BottomSheetBehaviorGoogleMapsLike.STATE_COLLAPSED
-import com.mahc.custombottomsheetbehavior.BottomSheetBehaviorGoogleMapsLike.STATE_HIDDEN
+import com.mahc.custombottomsheetbehavior.BottomSheetBehaviorGoogleMapsLike.*
 import com.mahc.custombottomsheetbehavior.MergedAppBarLayoutBehavior
 import com.stfalcon.imageviewer.StfalconImageViewer
 import io.michaelrocks.bimap.HashBiMap
@@ -72,7 +71,6 @@ import net.vonforst.evmap.adapter.ConnectorAdapter
 import net.vonforst.evmap.adapter.DetailsAdapter
 import net.vonforst.evmap.adapter.GalleryAdapter
 import net.vonforst.evmap.adapter.PlaceAutocompleteAdapter
-import net.vonforst.evmap.api.goingelectric.GoingElectricApiWrapper
 import net.vonforst.evmap.autocomplete.ApiUnavailableException
 import net.vonforst.evmap.autocomplete.PlaceWithBounds
 import net.vonforst.evmap.bold
@@ -93,6 +91,7 @@ import kotlin.collections.component1
 import kotlin.collections.component2
 import kotlin.collections.contains
 import kotlin.collections.set
+import kotlin.math.min
 
 
 class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallback, MenuProvider {
@@ -132,7 +131,11 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
 
             val state = bottomSheetBehavior.state
             if (state != STATE_COLLAPSED && state != STATE_HIDDEN) {
-                bottomSheetBehavior.state = STATE_COLLAPSED
+                if (bottomSheetCollapsible) {
+                    bottomSheetBehavior.state = STATE_COLLAPSED
+                } else {
+                    vm.chargerSparse.value = null
+                }
             } else if (state == STATE_COLLAPSED) {
                 vm.chargerSparse.value = null
             } else if (state == STATE_HIDDEN) {
@@ -195,7 +198,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
 
         ViewCompat.setOnApplyWindowInsetsListener(
             binding.root
-        ) { v, insets ->
+        ) { _, insets ->
             ViewCompat.onApplyWindowInsets(binding.root, insets)
 
             val systemWindowInsetTop = insets.getInsets(WindowInsetsCompat.Type.statusBars()).top
@@ -238,6 +241,9 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         return binding.root
     }
 
+    val bottomSheetCollapsible
+        get() = resources.getBoolean(R.bool.bottom_sheet_collapsible)
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         requireActivity().addMenuProvider(this, viewLifecycleOwner, Lifecycle.State.RESUMED)
 
@@ -253,6 +259,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         binding.detailView.topPart.doOnNextLayout {
             bottomSheetBehavior.peekHeight = binding.detailView.topPart.bottom
         }
+        bottomSheetBehavior.isCollapsible = bottomSheetCollapsible
 
         setupObservers()
         setupClickListeners()
@@ -370,12 +377,25 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 null, extras
             )
         }
+        binding.detailView.imgPredictionSource.setOnClickListener {
+            (activity as? MapsActivity)?.openUrl(getString(R.string.fronyx_url))
+        }
+        binding.detailView.btnPredictionHelp.setOnClickListener {
+            MaterialAlertDialogBuilder(requireContext())
+                .setMessage(getString(R.string.prediction_help))
+                .setPositiveButton(R.string.ok) { _, _ -> }
+                .show()
+        }
         binding.detailView.topPart.setOnClickListener {
             bottomSheetBehavior.state = BottomSheetBehaviorGoogleMapsLike.STATE_ANCHOR_POINT
         }
         setupSearchAutocomplete()
         binding.detailAppBar.toolbar.setNavigationOnClickListener {
-            bottomSheetBehavior.state = STATE_COLLAPSED
+            if (bottomSheetCollapsible) {
+                bottomSheetBehavior.state = STATE_COLLAPSED
+            } else {
+                vm.chargerSparse.value = null
+            }
         }
         binding.detailAppBar.toolbar.setOnMenuItemClickListener {
             when (it.itemId) {
@@ -394,7 +414,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                     val charger = vm.charger.value?.data
                     if (charger?.editUrl != null) {
                         (activity as? MapsActivity)?.openUrl(charger.editUrl)
-                        if (vm.apiType == GoingElectricApiWrapper::class.java) {
+                        if (vm.apiId.value == "going_electric") {
                             // instructions specific to GoingElectric
                             Toast.makeText(
                                 requireContext(),
@@ -446,7 +466,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                     }
                 )
             }
-        binding.search.onFocusChangeListener = View.OnFocusChangeListener { v, hasFocus ->
+        binding.search.onFocusChangeListener = View.OnFocusChangeListener { _, hasFocus ->
             if (hasFocus) {
                 binding.search.keyListener = searchKeyListener
                 binding.search.text = binding.search.text  // workaround to fix copy/paste
@@ -534,7 +554,17 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         bottomSheetBehavior.addBottomSheetCallback(object :
             BottomSheetBehaviorGoogleMapsLike.BottomSheetCallback() {
             override fun onSlide(bottomSheet: View, slideOffset: Float) {
-
+                if (bottomSheetBehavior.state == STATE_HIDDEN) {
+                    map?.setPadding(0, mapTopPadding, 0, 0)
+                } else {
+                    val height = binding.root.height - bottomSheet.top
+                    map?.setPadding(
+                        0,
+                        mapTopPadding,
+                        0,
+                        min(bottomSheetBehavior.peekHeight, height)
+                    )
+                }
             }
 
             override fun onStateChanged(bottomSheet: View, newState: Int) {
@@ -542,9 +572,9 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 updateBackPressedCallback()
 
                 if (vm.layersMenuOpen.value!! && newState !in listOf(
-                        BottomSheetBehaviorGoogleMapsLike.STATE_SETTLING,
-                        BottomSheetBehaviorGoogleMapsLike.STATE_HIDDEN,
-                        BottomSheetBehaviorGoogleMapsLike.STATE_COLLAPSED
+                        STATE_SETTLING,
+                        STATE_HIDDEN,
+                        STATE_COLLAPSED
                     )
                 ) {
                     closeLayersMenu()
@@ -554,7 +584,8 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         vm.chargerSparse.observe(viewLifecycleOwner, Observer {
             if (it != null) {
                 if (vm.bottomSheetState.value != BottomSheetBehaviorGoogleMapsLike.STATE_ANCHOR_POINT) {
-                    bottomSheetBehavior.state = STATE_COLLAPSED
+                    bottomSheetBehavior.state =
+                        if (bottomSheetCollapsible) STATE_COLLAPSED else STATE_ANCHOR_POINT
                 }
                 removeSearchFocus()
                 binding.fabDirections.show()
@@ -970,7 +1001,8 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
             lifecycleScope.launch {
                 val address = withContext(Dispatchers.IO) {
                     try {
-                        Geocoder(requireContext()).getFromLocationName(locationName, 1).getOrNull(0)
+                        Geocoder(requireContext()).getFromLocationName(locationName, 1)
+                            ?.getOrNull(0)
                     } catch (e: IOException) {
                         null
                     }
@@ -1168,6 +1200,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
             )
             popup.menuInflater.inflate(R.menu.popup_filter, popup.menu)
             MenuCompat.setGroupDividerEnabled(popup.menu, true)
+            popup.setForceShowIcon(true)
             popup.setOnMenuItemClickListener {
                 when (it.itemId) {
                     R.id.menu_edit_filters -> {

app/src/main/java/net/vonforst/evmap/fragment/MultiSelectDialog.kt

@@ -39,7 +39,7 @@ class MultiSelectDialog : MaterialDialogFragment() {
     private lateinit var items: List<MultiSelectItem>
     private lateinit var binding: DialogMultiSelectBinding
 
-    override fun onCreateView(
+    override fun createView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
@@ -71,7 +71,7 @@ class MultiSelectDialog : MaterialDialogFragment() {
         binding.btnAll.visibility = if (showAllButton) View.VISIBLE else View.INVISIBLE
 
         items = data.entries.toList()
-            .sortedBy { it.value.toLowerCase(Locale.getDefault()) }
+            .sortedBy { it.value.lowercase(Locale.getDefault()) }
             .sortedBy {
                 when {
                     selected.contains(it.key) && commonChoices?.contains(it.key) == true -> 0
@@ -117,7 +117,7 @@ private fun search(
 ): List<MultiSelectItem> {
     return items.filter { item ->
         // search for string within name
-        text.toLowerCase(Locale.getDefault()) in item.name.toLowerCase(Locale.getDefault())
+        text.lowercase(Locale.getDefault()) in item.name.lowercase(Locale.getDefault())
     }
 }
 

app/src/main/java/net/vonforst/evmap/fragment/preference/AboutFragment.kt

@@ -8,6 +8,7 @@ import androidx.navigation.ui.setupWithNavController
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import com.google.android.material.color.MaterialColors
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.transition.MaterialFadeThrough
 import com.google.android.material.transition.MaterialSharedAxis
 import com.mikepenz.aboutlibraries.LibsBuilder
@@ -44,6 +45,14 @@ class AboutFragment : PreferenceFragmentCompat() {
 
     override fun onPreferenceTreeClick(preference: Preference): Boolean {
         return when (preference.key) {
+            "contributors" -> {
+                MaterialAlertDialogBuilder(requireContext())
+                    .setTitle(R.string.about_contributors)
+                    .setMessage(getString(R.string.about_contributors_text) + "\n\n" + getString(R.string.about_contributors_list))
+                    .setPositiveButton(R.string.ok) { _, _ -> }
+                    .show()
+                true
+            }
             "github_link" -> {
                 (activity as? MapsActivity)?.openUrl(getString(R.string.github_link))
                 true

app/src/main/java/net/vonforst/evmap/fragment/preference/UiSettingsFragment.kt

@@ -1,28 +1,62 @@
 package net.vonforst.evmap.fragment.preference
 
+import android.content.Intent
 import android.content.SharedPreferences
+import android.net.Uri
+import android.os.Build
 import android.os.Bundle
+import android.provider.Settings
+import androidx.preference.ListPreference
+import androidx.preference.Preference
 import net.vonforst.evmap.R
+import net.vonforst.evmap.ui.getAppLocale
+import net.vonforst.evmap.ui.updateAppLocale
 import net.vonforst.evmap.ui.updateNightMode
 
 class UiSettingsFragment : BaseSettingsFragment() {
     override val isTopLevel = false
+    lateinit var langPref: ListPreference
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.settings_ui, rootKey)
+
+        langPref = findPreference("language")!!
+        langPref.setOnPreferenceChangeListener { _, newValue ->
+            updateAppLocale(newValue as String)
+            true
+        }
+
+        val appLinkPref = findPreference<Preference>("applink_associate")!!
+        appLinkPref.isVisible = Build.VERSION.SDK_INT >= Build.VERSION_CODES.S
+    }
+
+    override fun onResume() {
+        super.onResume()
+        langPref.value = getAppLocale()
     }
 
     override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
         when (key) {
-            "language" -> {
-                activity?.let {
-                    it.finish();
-                    it.startActivity(it.intent);
-                }
-            }
             "darkmode" -> {
                 updateNightMode(prefs)
             }
         }
     }
+
+    override fun onPreferenceTreeClick(preference: Preference): Boolean {
+        when (preference.key) {
+            "applink_associate" -> {
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+                    val context = context ?: return false
+                    val intent = Intent(
+                        Settings.ACTION_APP_OPEN_BY_DEFAULT_SETTINGS,
+                        Uri.parse("package:${context.packageName}")
+                    )
+                    context.startActivity(intent)
+                }
+                return true
+            }
+        }
+        return super.onPreferenceTreeClick(preference)
+    }
 }

app/src/main/java/net/vonforst/evmap/fragment/updatedialogs/OpensourceDonationsDialogFragment.kt

@@ -13,7 +13,7 @@ import net.vonforst.evmap.ui.MaterialDialogFragment
 class OpensourceDonationsDialogFragment : MaterialDialogFragment() {
     private lateinit var binding: DialogOpensourceDonationsBinding
 
-    override fun onCreateView(
+    override fun createView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?

app/src/main/java/net/vonforst/evmap/location/LocationEngine.kt

@@ -26,7 +26,9 @@ abstract class LocationEngine(protected val context: Context) {
      */
     @RequiresPermission(anyOf = [Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION])
     fun requestLocationUpdates(priority: Priority, intervalMs: Long, listener: LocationListener) {
-        requests.add(LocationRequest(priority, intervalMs, listener))
+        if (!requests.any { it.listener == listener }) {
+            requests.add(LocationRequest(priority, intervalMs, listener))
+        }
         enable()
     }
 

app/src/main/java/net/vonforst/evmap/model/ChargersModel.kt

@@ -19,8 +19,6 @@ import java.time.LocalTime
 import java.time.format.DateTimeFormatter
 import java.time.format.FormatStyle
 import java.util.*
-import kotlin.math.abs
-import kotlin.math.floor
 
 sealed class ChargepointListItem
 
@@ -113,7 +111,7 @@ data class ChargeLocation(
 
         // check if there is more than one plug for any connector type
         val chargepointsPerConnector =
-            connectors.map { conn -> chargepoints.filter { it.type == conn }.sumBy { it.count } }
+            connectors.map { conn -> chargepoints.filter { it.type == conn }.sumOf { it.count } }
         return chargepointsPerConnector.any { it > 1 }
     }
 
@@ -129,13 +127,13 @@ data class ChargeLocation(
             return variants.map { variant ->
                 val count = chargepoints
                     .filter { it.type == variant.type && it.power == variant.power }
-                    .sumBy { it.count }
+                    .sumOf { it.count }
                 Chargepoint(variant.type, variant.power, count)
             }
         }
 
     val totalChargepoints: Int
-        get() = chargepoints.sumBy { it.count }
+        get() = chargepoints.sumOf { it.count }
 
     fun formatChargepoints(sp: StringProvider): String {
         return chargepointsMerged.map {
@@ -167,9 +165,9 @@ data class Cost(
     fun getStatusText(ctx: Context, emoji: Boolean = false): CharSequence {
         if (freecharging != null && freeparking != null) {
             val charging =
-                if (freecharging) ctx.getString(R.string.free) else ctx.getString(R.string.paid)
+                if (freecharging) ctx.getString(R.string.charging_free) else ctx.getString(R.string.charging_paid)
             val parking =
-                if (freeparking) ctx.getString(R.string.free) else ctx.getString(R.string.paid)
+                if (freeparking) ctx.getString(R.string.parking_free) else ctx.getString(R.string.parking_paid)
             return if (emoji) {
                 "⚡ $charging · \uD83C\uDD7F️ $parking"
             } else {
@@ -177,7 +175,7 @@ data class Cost(
             }
         } else if (freecharging != null) {
             val charging =
-                if (freecharging) ctx.getString(R.string.free) else ctx.getString(R.string.paid)
+                if (freecharging) ctx.getString(R.string.charging_free) else ctx.getString(R.string.charging_paid)
             return if (emoji) {
                 "⚡ $charging"
             } else {
@@ -185,7 +183,7 @@ data class Cost(
             }
         } else if (freeparking != null) {
             val parking =
-                if (freeparking) ctx.getString(R.string.free) else ctx.getString(R.string.paid)
+                if (freeparking) ctx.getString(R.string.parking_free) else ctx.getString(R.string.parking_paid)
             return if (emoji) {
                 "\uD83C\uDD7F $parking"
             } else {
@@ -343,28 +341,7 @@ data class ChargeLocationCluster(
 ) : ChargepointListItem()
 
 @Parcelize
-data class Coordinate(val lat: Double, val lng: Double) : Parcelable {
-    fun formatDMS(): String {
-        return "${dms(lat, false)}, ${dms(lng, true)}"
-    }
-
-    private fun dms(value: Double, lon: Boolean): String {
-        val hemisphere = if (lon) {
-            if (value >= 0) "E" else "W"
-        } else {
-            if (value >= 0) "N" else "S"
-        }
-        val d = abs(value)
-        val degrees = floor(d).toInt()
-        val minutes = floor((d - degrees) * 60).toInt()
-        val seconds = ((d - degrees) * 60 - minutes) * 60
-        return "%d°%02d'%02.1f\"%s".format(Locale.ENGLISH, degrees, minutes, seconds, hemisphere)
-    }
-
-    fun formatDecimal(): String {
-        return "%.6f, %.6f".format(Locale.ENGLISH, lat, lng)
-    }
-}
+data class Coordinate(val lat: Double, val lng: Double) : Parcelable
 
 @Parcelize
 data class Address(
@@ -374,7 +351,21 @@ data class Address(
     val street: String?
 ) : Parcelable {
     override fun toString(): String {
-        return "${street ?: ""}, ${postcode ?: ""} ${city ?: ""}"
+        // TODO: the order here follows a German-style format (i.e. street, postcode city).
+        // in principle this should be country-dependent (e.g. UK has postcode after city)
+        return buildString {
+            street?.let {
+                append(it)
+                append(", ")
+            }
+            postcode?.let {
+                append(it)
+                append(" ")
+            }
+            city?.let {
+                append(it)
+            }
+        }
     }
 }
 

app/src/main/java/net/vonforst/evmap/storage/ChargeLocationsDao.kt

@@ -1,34 +1,125 @@
 package net.vonforst.evmap.storage
 
-import androidx.lifecycle.LiveData
-import androidx.room.*
-import net.vonforst.evmap.model.ChargeLocation
+import androidx.lifecycle.*
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import com.car2go.maps.model.LatLng
+import com.car2go.maps.model.LatLngBounds
+import kotlinx.coroutines.CoroutineScope
+import net.vonforst.evmap.api.ChargepointApi
+import net.vonforst.evmap.api.StringProvider
+import net.vonforst.evmap.api.goingelectric.GEReferenceData
+import net.vonforst.evmap.api.goingelectric.GoingElectricApiWrapper
+import net.vonforst.evmap.api.openchargemap.OpenChargeMapApiWrapper
+import net.vonforst.evmap.model.*
+import net.vonforst.evmap.viewmodel.Resource
+import net.vonforst.evmap.viewmodel.await
 
 @Dao
-interface ChargeLocationsDao {
+abstract class ChargeLocationsDao {
     @Insert(onConflict = OnConflictStrategy.REPLACE)
-    suspend fun insert(vararg locations: ChargeLocation)
-
-    @Insert(onConflict = OnConflictStrategy.REPLACE)
-    fun insertBlocking(vararg locations: ChargeLocation)
+    abstract suspend fun insert(vararg locations: ChargeLocation)
 
     @Delete
-    suspend fun delete(vararg locations: ChargeLocation)
+    abstract suspend fun delete(vararg locations: ChargeLocation)
+}
 
-    @Query("SELECT * FROM chargelocation")
-    fun getAllChargeLocations(): LiveData<List<ChargeLocation>>
+/**
+ * The ChargeLocationsRepository wraps the ChargepointApi and the DB to provide caching
+ * functionality.
+ */
+class ChargeLocationsRepository(
+    api: ChargepointApi<ReferenceData>, private val scope: CoroutineScope,
+    private val db: AppDatabase, private val prefs: PreferenceDataSource
+) {
+    val api = MutableLiveData<ChargepointApi<ReferenceData>>().apply { value = api }
 
-    @Query("SELECT * FROM chargelocation")
-    suspend fun getAllChargeLocationsAsync(): List<ChargeLocation>
+    val referenceData = this.api.switchMap { api ->
+        when (api) {
+            is GoingElectricApiWrapper -> {
+                GEReferenceDataRepository(
+                    api,
+                    scope,
+                    db.geReferenceDataDao(),
+                    prefs
+                ).getReferenceData()
+            }
+            is OpenChargeMapApiWrapper -> {
+                OCMReferenceDataRepository(
+                    api,
+                    scope,
+                    db.ocmReferenceDataDao(),
+                    prefs
+                ).getReferenceData()
+            }
+            else -> {
+                throw RuntimeException("no reference data implemented")
+            }
+        }
+    }
 
-    @Query("SELECT * FROM chargelocation")
-    fun getAllChargeLocationsBlocking(): List<ChargeLocation>
+    private val chargeLocationsDao = db.chargeLocationsDao()
 
-    @Query("SELECT * FROM chargelocation WHERE lat >= :lat1 AND lat <= :lat2 AND lng >= :lng1 AND lng <= :lng2")
-    suspend fun getChargeLocationsInBoundsAsync(
-        lat1: Double,
-        lat2: Double,
-        lng1: Double,
-        lng2: Double
-    ): List<ChargeLocation>
+    fun getChargepoints(
+        bounds: LatLngBounds,
+        zoom: Float,
+        filters: FilterValues?
+    ): LiveData<Resource<List<ChargepointListItem>>> {
+        return liveData {
+            val refData = referenceData.await()
+            val result = api.value!!.getChargepoints(refData, bounds, zoom, filters)
+
+            emit(result)
+        }
+    }
+
+    fun getChargepointsRadius(
+        location: LatLng,
+        radius: Int,
+        zoom: Float,
+        filters: FilterValues?
+    ): LiveData<Resource<List<ChargepointListItem>>> {
+        return liveData {
+            val refData = referenceData.await()
+            val result = api.value!!.getChargepointsRadius(refData, location, radius, zoom, filters)
+
+            emit(result)
+        }
+    }
+
+    fun getChargepointDetail(
+        id: Long
+    ): LiveData<Resource<ChargeLocation>> {
+        return liveData {
+            emit(Resource.loading(null))
+            val refData = referenceData.await()
+            val result = api.value!!.getChargepointDetail(refData, id)
+            emit(result)
+        }
+    }
+
+    fun getFilters(sp: StringProvider) = MediatorLiveData<List<Filter<FilterValue>>>().apply {
+        addSource(referenceData) { refData: ReferenceData? ->
+            refData?.let { value = api.value!!.getFilters(refData, sp) }
+        }
+    }
+
+    suspend fun getFiltersAsync(sp: StringProvider): List<Filter<FilterValue>> {
+        val refData = referenceData.await()
+        return api.value!!.getFilters(refData, sp)
+    }
+
+    val chargeCardMap by lazy {
+        referenceData.map { refData: ReferenceData? ->
+            if (refData is GEReferenceData) {
+                refData.chargecards.associate {
+                    it.id to it.convert()
+                }
+            } else {
+                null
+            }
+        }
+    }
 }

app/src/main/java/net/vonforst/evmap/storage/FilterValueDao.kt

@@ -4,11 +4,28 @@ import androidx.lifecycle.LiveData
 import androidx.lifecycle.MediatorLiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.room.*
-import net.vonforst.evmap.await
 import net.vonforst.evmap.model.*
 
 @Dao
 abstract class FilterValueDao {
+    @Query("SELECT * FROM booleanfiltervalue WHERE profile = :profile AND dataSource = :dataSource")
+    protected abstract suspend fun getBooleanFilterValuesAsync(
+        profile: Long,
+        dataSource: String
+    ): List<BooleanFilterValue>
+
+    @Query("SELECT * FROM multiplechoicefiltervalue WHERE profile = :profile AND dataSource = :dataSource")
+    protected abstract suspend fun getMultipleChoiceFilterValuesAsync(
+        profile: Long,
+        dataSource: String
+    ): List<MultipleChoiceFilterValue>
+
+    @Query("SELECT * FROM sliderfiltervalue WHERE profile = :profile AND dataSource = :dataSource")
+    protected abstract suspend fun getSliderFilterValuesAsync(
+        profile: Long,
+        dataSource: String
+    ): List<SliderFilterValue>
+
     @Query("SELECT * FROM booleanfiltervalue WHERE profile = :profile AND dataSource = :dataSource")
     protected abstract fun getBooleanFilterValues(
         profile: Long,
@@ -54,11 +71,24 @@ abstract class FilterValueDao {
         dataSource: String
     )
 
-    open fun getFilterValues(filterStatus: Long, dataSource: String): LiveData<List<FilterValue>> =
+    open suspend fun getFilterValuesAsync(
+        filterStatus: Long,
+        dataSource: String
+    ): List<FilterValue> =
+        if (filterStatus == FILTERS_DISABLED || filterStatus == FILTERS_FAVORITES) {
+            emptyList()
+        } else {
+            getBooleanFilterValuesAsync(filterStatus, dataSource) +
+                    getMultipleChoiceFilterValuesAsync(filterStatus, dataSource) +
+                    getSliderFilterValuesAsync(filterStatus, dataSource)
+        }
+
+    open fun getFilterValues(filterStatus: Long, dataSource: String): LiveData<List<FilterValue>?> =
         if (filterStatus == FILTERS_DISABLED || filterStatus == FILTERS_FAVORITES) {
             MutableLiveData(emptyList())
         } else {
-            MediatorLiveData<List<FilterValue>>().apply {
+            MediatorLiveData<List<FilterValue>?>().apply {
+                value = null
                 val sources = listOf(
                     getBooleanFilterValues(filterStatus, dataSource),
                     getMultipleChoiceFilterValues(filterStatus, dataSource),
@@ -98,7 +128,7 @@ abstract class FilterValueDao {
         if (filterStatus == FILTERS_CUSTOM) return
 
         deleteFilterValuesForProfile(FILTERS_CUSTOM, dataSource)
-        val values = getFilterValues(filterStatus, dataSource).await().onEach {
+        val values = getFilterValuesAsync(filterStatus, dataSource).onEach {
             it.profile = FILTERS_CUSTOM
         }
         insert(*values.toTypedArray())

app/src/main/java/net/vonforst/evmap/storage/GEReferenceDataDao.kt

@@ -87,6 +87,7 @@ class GEReferenceDataRepository(
         val networks = dao.getAllNetworks()
         val chargeCards = dao.getAllChargeCards()
         return MediatorLiveData<GEReferenceData>().apply {
+            value = null
             listOf(chargeCards, networks, plugs).map { source ->
                 addSource(source) { _ ->
                     val p = plugs.value ?: return@addSource

app/src/main/java/net/vonforst/evmap/storage/OCMReferenceDataDao.kt

@@ -79,6 +79,7 @@ class OCMReferenceDataRepository(
         val countries = dao.getAllCountries()
         val operators = dao.getAllOperators()
         return MediatorLiveData<OCMReferenceData>().apply {
+            value = null
             listOf(countries, connectionTypes, operators).map { source ->
                 addSource(source) { _ ->
                     val ct = connectionTypes.value

app/src/main/java/net/vonforst/evmap/storage/PreferenceDataSource.kt

@@ -75,8 +75,15 @@ class PreferenceDataSource(val context: Context) {
         }
 
 
-    val language: String
-        get() = sp.getString("language", "default")!!
+    /**
+     * Sets app language. Will be removed and set to null with the next update because storage is
+     * handled by AppCompat.
+     */
+    var language: String?
+        get() = sp.getString("language", null)
+        set(lang) {
+            sp.edit().putString("language", lang).apply()
+        }
 
     val darkmode: String
         get() = sp.getString("darkmode", "default")!!
@@ -239,4 +246,19 @@ class PreferenceDataSource(val context: Context) {
         set(value) {
             sp.edit().putString("place_search_result_android_auto_name", value).apply()
         }
+
+    var showChargersAheadAndroidAuto: Boolean
+        get() = sp.getBoolean("show_chargers_ahead_android_auto", false)
+        set(value) {
+            sp.edit().putBoolean("show_chargers_ahead_android_auto", value).apply()
+        }
+
+    val predictionEnabled: Boolean
+        get() = sp.getBoolean("prediction_enabled", true)
+
+    var developerModeEnabled: Boolean
+        get() = sp.getBoolean("dev_mode_enabled", false)
+        set(value) {
+            sp.edit().putBoolean("dev_mode_enabled", value).apply()
+        }
 }

app/src/main/java/net/vonforst/evmap/ui/AnimationUtils.kt

@@ -32,7 +32,7 @@ fun View.exitCircularReveal(block: () -> Unit) {
         duration = 350
         interpolator = DecelerateInterpolator(1f)
         addListener(object : AnimatorListenerAdapter() {
-            override fun onAnimationEnd(animation: Animator?) {
+            override fun onAnimationEnd(animation: Animator) {
                 visibility = View.INVISIBLE
                 block()
                 super.onAnimationEnd(animation)

app/src/main/java/net/vonforst/evmap/ui/BarGraphView.kt

@@ -0,0 +1,352 @@
+package net.vonforst.evmap.ui
+
+import android.content.Context
+import android.graphics.*
+import android.text.Layout
+import android.text.SpannableString
+import android.text.StaticLayout
+import android.text.TextPaint
+import android.text.style.ForegroundColorSpan
+import android.text.style.StyleSpan
+import android.util.AttributeSet
+import android.view.MotionEvent
+import android.view.View
+import androidx.appcompat.content.res.AppCompatResources
+import androidx.core.content.ContextCompat
+import net.vonforst.evmap.R
+import java.time.ZoneId
+import java.time.ZonedDateTime
+import java.time.format.DateTimeFormatter
+import java.time.format.FormatStyle
+import java.util.*
+import kotlin.math.ceil
+import kotlin.math.max
+import kotlin.math.min
+import kotlin.math.roundToInt
+
+class BarGraphView(context: Context, attrs: AttributeSet) : View(context, attrs) {
+    private val dp = context.resources.displayMetrics.density
+    private val sp = context.resources.displayMetrics.scaledDensity
+    var zeroHeight = 4 * dp
+    var barWidth = (16 * dp).roundToInt()
+    var barMargin = (2 * dp).roundToInt()
+    var legendWidth = 12 * dp
+    var legendLineLength = 4 * dp
+    var legendLineWidth = 1 * dp
+    var dashLength = 4 * dp
+    var bubbleTextSize = (12 * sp).roundToInt()
+    var bubblePadding = (6 * dp).roundToInt()
+    var selectedBar: Int = 0
+    var bubbleStrokeWidth = 1 * dp
+
+    var barDrawable =
+        AppCompatResources.getDrawable(context, R.drawable.bar_graph)!!
+    var colorAvailable = ContextCompat.getColor(context, R.color.available)
+    var colorUnavailable = ContextCompat.getColor(context, R.color.unavailable)
+
+    var data: Map<ZonedDateTime, Int>? = null
+        set(value) {
+            field = value
+            invalidate()
+        }
+    var maxValue: Int? = null
+        set(value) {
+            field = value
+            invalidate()
+        }
+
+    var activeAlpha = 0.87f
+    var inactiveAlpha = 0.60f
+
+    private val legendPaint = Paint().apply {
+        val ta = context.theme.obtainStyledAttributes(intArrayOf(R.attr.colorControlNormal))
+        color = ta.getColor(0, 0)
+        strokeWidth = legendLineWidth
+        textSize = legendWidth - legendLineLength
+    }
+    private val legendDashedPaint = Paint().apply {
+        set(legendPaint)
+        alpha = (inactiveAlpha * 255).roundToInt()
+        style = Paint.Style.STROKE
+        pathEffect = DashPathEffect(floatArrayOf(dashLength, dashLength), 0f)
+        strokeWidth = 1f
+    }
+    private val bubblePaint = Paint().apply {
+        set(legendPaint)
+        alpha = (inactiveAlpha * 255).roundToInt()
+        style = Paint.Style.STROKE
+        strokeWidth = bubbleStrokeWidth
+    }
+    private val bubbleTextPaint = TextPaint().apply {
+        set(legendPaint)
+        textSize = bubbleTextSize.toFloat()
+    }
+
+    private var graphBounds: Rect? = null
+    private var bubbleBounds: Rect? = null
+
+    override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
+        val bottom = (paddingBottom + legendWidth).roundToInt()
+        val left = (paddingLeft + legendWidth).roundToInt()
+        val right = (paddingRight + legendWidth).roundToInt()
+        val top = (paddingTop + bubbleStrokeWidth / 2).roundToInt()
+
+        val bubbleTextHeight = bubbleTextPaint.fontMetrics.run { descent - ascent }
+        val bubbleHeight = (bubbleTextHeight + 3 * bubblePadding).roundToInt()
+        val bubbleLeft = (paddingLeft + bubbleStrokeWidth / 2).roundToInt()
+        val bubbleRight = (paddingRight + bubbleStrokeWidth / 2).roundToInt()
+
+        graphBounds = Rect(left, top + bubbleHeight, w - right, h - bottom)
+        bubbleBounds = Rect(bubbleLeft, top, w - bubbleRight, top + bubbleHeight)
+    }
+
+    private val timeFormat = DateTimeFormatter.ofLocalizedTime(FormatStyle.SHORT)
+
+    override fun onDraw(canvas: Canvas) {
+        if (isInEditMode && data == null) {
+            // show sample data
+            val now = ZonedDateTime.now().run {
+                val minutesRound = ((minute / 15) + 1) * 15
+                plusMinutes((minutesRound - minute).toLong())
+            }
+            data = (0..20).associate {
+                now.plusMinutes(15L * it) to (Math.random() * 8).roundToInt()
+            }
+            maxValue = 8
+        }
+        val data = data?.toSortedMap() ?: return
+        if (data.isEmpty()) return
+        val maxValue = maxValue ?: data.maxOf { it.value }
+
+        drawGraph(canvas, data, maxValue)
+        drawBubble(canvas, data, maxValue)
+    }
+
+    private fun drawGraph(
+        canvas: Canvas,
+        data: SortedMap<ZonedDateTime, Int>,
+        maxValue: Int
+    ) {
+        val graphBounds = graphBounds ?: return
+
+        canvas.apply {
+            drawLine(
+                graphBounds.left.toFloat(),
+                graphBounds.top.toFloat(),
+                graphBounds.right.toFloat(),
+                graphBounds.top.toFloat(),
+                legendDashedPaint
+            )
+
+            legendPaint.textAlign = Paint.Align.CENTER
+            data.entries.forEachIndexed { i, (t, v) ->
+                val height =
+                    zeroHeight + (graphBounds.height() - zeroHeight) * v.toFloat() / maxValue
+                val left = graphBounds.left + (barWidth + barMargin) * i
+
+                if (left + barWidth > graphBounds.right) return@forEachIndexed
+
+                barDrawable.setBounds(
+                    left,
+                    graphBounds.bottom - height.roundToInt(),
+                    left + barWidth,
+                    graphBounds.bottom
+                )
+                barDrawable.alpha =
+                    ((if (i == selectedBar) activeAlpha else inactiveAlpha) * 255).roundToInt()
+                barDrawable.setTint(getColor(v, maxValue))
+                barDrawable.draw(canvas)
+
+                val center = left.toFloat() + barWidth / 2
+                if (t.minute == 0) {
+                    drawLine(
+                        center, graphBounds.bottom.toFloat(),
+                        center, graphBounds.bottom + legendLineLength, legendPaint
+                    )
+                    drawText(
+                        t.withZoneSameInstant(ZoneId.systemDefault()).format(timeFormat),
+                        center, graphBounds.bottom + legendWidth, legendPaint
+                    )
+                }
+
+                if (i == selectedBar) {
+                    drawLine(
+                        center,
+                        graphBounds.bottom - height,
+                        center,
+                        graphBounds.top.toFloat(),
+                        legendDashedPaint
+                    )
+                }
+            }
+
+            drawLine(
+                graphBounds.left.toFloat(),
+                graphBounds.bottom.toFloat(),
+                graphBounds.right.toFloat(),
+                graphBounds.bottom.toFloat(),
+                legendPaint
+            )
+            drawLine(
+                graphBounds.left.toFloat(),
+                graphBounds.bottom.toFloat(),
+                graphBounds.right.toFloat(),
+                graphBounds.bottom.toFloat(),
+                legendPaint
+            )
+
+            legendPaint.textAlign = Paint.Align.LEFT
+            drawText(
+                this@BarGraphView.maxValue.toString(),
+                graphBounds.right.toFloat() + legendLineLength,
+                graphBounds.top + (legendWidth - legendLineLength) / 3,
+                legendPaint
+            )
+        }
+    }
+
+    private fun getColor(v: Int, maxValue: Int) =
+        if (v < maxValue) colorAvailable else colorUnavailable
+
+    private fun drawBubble(canvas: Canvas, data: SortedMap<ZonedDateTime, Int>, maxValue: Int) {
+        val bubbleBounds = bubbleBounds ?: return
+        val graphBounds = graphBounds ?: return
+        val d = data.toList()
+
+        if (d.size <= selectedBar) return
+        canvas.apply {
+            val center = graphBounds.left + selectedBar * (barWidth + barMargin) + barWidth * 0.5f
+            val (t, v) = d[selectedBar]
+            val tformat = context.getString(
+                R.string.prediction_time_colon,
+                t.withZoneSameInstant(ZoneId.systemDefault()).format(timeFormat)
+            )
+            val availableformat = context.resources.getQuantityString(
+                R.plurals.prediction_number_available,
+                maxValue - v,
+                maxValue - v,
+                maxValue
+            )
+            val text = SpannableString("$tformat $availableformat").apply {
+                setSpan(
+                    ForegroundColorSpan(getColor(v, maxValue)),
+                    0,
+                    tformat.length + 1,
+                    SpannableString.SPAN_INCLUSIVE_INCLUSIVE
+                )
+                setSpan(
+                    StyleSpan(Typeface.BOLD),
+                    0,
+                    tformat.length + 1,
+                    SpannableString.SPAN_INCLUSIVE_INCLUSIVE
+                )
+            }
+
+            val bubbleTextWidth = StaticLayout.getDesiredWidth(text, bubbleTextPaint)
+            val bubbleWidth = bubbleTextWidth + 2 * bubblePadding
+            val bubbleLeft = max(
+                min(center - bubbleWidth / 2, bubbleBounds.right - bubbleWidth),
+                bubbleBounds.left.toFloat()
+            )
+
+            val bubblePath = generateBubblePath(
+                center,
+                bubbleBounds.bottom.toFloat(),
+                bubbleLeft,
+                bubbleBounds.top.toFloat(),
+                bubbleLeft + bubbleWidth,
+                (bubbleBounds.bottom - bubblePadding).toFloat(),
+                bubblePadding.toFloat()
+            )
+            drawPath(bubblePath, bubblePaint)
+
+            val layout = StaticLayout(
+                text,
+                bubbleTextPaint,
+                ceil(bubbleTextWidth).toInt(),
+                Layout.Alignment.ALIGN_NORMAL,
+                1f,
+                0f,
+                false
+            )
+            canvas.save()
+            canvas.translate(bubbleLeft + bubblePadding, bubbleBounds.top + bubblePadding.toFloat())
+            layout.draw(canvas)
+            canvas.restore()
+            //drawText(text, 0, text.length, bubbleLeft + bubblePadding, bubbleBounds.top + 2f * bubblePadding, bubbleTextPaint)
+        }
+    }
+
+    override fun onTouchEvent(event: MotionEvent): Boolean {
+        val graphBounds = graphBounds ?: return super.onTouchEvent(event)
+        val x = event.x.roundToInt()
+        val y = event.y.roundToInt()
+        if (graphBounds.contains(x, y) && event.action == MotionEvent.ACTION_DOWN) {
+            parent.requestDisallowInterceptTouchEvent(true)
+            updateSelectedBar(x)
+            return true
+        } else if (event.action == MotionEvent.ACTION_MOVE && x > graphBounds.left && y < graphBounds.right) {
+            updateSelectedBar(x)
+            return true
+        } else if (event.action == MotionEvent.ACTION_UP) {
+            parent.requestDisallowInterceptTouchEvent(false)
+            return true
+        }
+        return super.onTouchEvent(event)
+    }
+
+    private fun updateSelectedBar(x: Int) {
+        val graphBounds = graphBounds ?: return
+        val bar = (x - graphBounds.left) / (barWidth + barMargin)
+        if (bar != selectedBar) {
+            selectedBar = bar
+            invalidate()
+        }
+    }
+
+    /**
+     * Generates a path that represents a "speech bubble" with tip position at tipX, tipY,
+     * bubble bounds left, top, right bottom and corner radius cornerRadius.
+     */
+    private fun generateBubblePath(
+        tipX: Float,
+        tipY: Float,
+        left: Float,
+        top: Float,
+        right: Float,
+        bottom: Float,
+        cornerRadius: Float
+    ): Path {
+        val tipWidth = tipY - bottom
+        return Path().apply {
+            moveTo(tipX, tipY)
+            lineTo(min(tipX + tipWidth, right - cornerRadius), bottom)
+            lineTo(right - cornerRadius, bottom)
+            arcTo(
+                right - cornerRadius * 2,
+                bottom - cornerRadius * 2,
+                right,
+                bottom,
+                90f,
+                -90f,
+                false
+            )
+            lineTo(right, top + cornerRadius)
+            arcTo(right - cornerRadius * 2, top, right, top + cornerRadius * 2, 0f, -90f, false)
+            lineTo(left + cornerRadius, top)
+            arcTo(left, top, left + cornerRadius * 2, top + cornerRadius * 2, 270f, -90f, false)
+            lineTo(left, bottom - cornerRadius)
+            arcTo(
+                left,
+                bottom - cornerRadius * 2,
+                left + cornerRadius * 2,
+                bottom,
+                180f,
+                -90f,
+                false
+            )
+            lineTo(max(tipX - tipWidth, left + cornerRadius), bottom)
+            close()
+        }
+    }
+}

app/src/main/java/net/vonforst/evmap/ui/BindingAdapters.kt

@@ -121,6 +121,7 @@ private fun activeTint(
 }
 
 @BindingAdapter("data")
+@Suppress("UNCHECKED_CAST")
 fun <T> setRecyclerViewData(recyclerView: RecyclerView, items: List<T>?) {
     if (recyclerView.adapter is ListAdapter<*, *>) {
         (recyclerView.adapter as ListAdapter<T, *>).submitList(items)
@@ -128,6 +129,7 @@ fun <T> setRecyclerViewData(recyclerView: RecyclerView, items: List<T>?) {
 }
 
 @BindingAdapter("data")
+@Suppress("UNCHECKED_CAST")
 fun <T> setRecyclerViewData(recyclerView: ViewPager2, items: List<T>?) {
     if (recyclerView.adapter is ListAdapter<*, *>) {
         (recyclerView.adapter as ListAdapter<T, *>).submitList(items)
@@ -325,10 +327,10 @@ fun distance(meters: Number?): String? {
     }
 }
 
-@InverseBindingAdapter(attribute = "app:values")
+@InverseBindingAdapter(attribute = "values")
 fun getRangeSliderValue(slider: RangeSlider) = slider.values
 
-@BindingAdapter("app:valuesAttrChanged")
+@BindingAdapter("valuesAttrChanged")
 fun setRangeSliderListeners(slider: RangeSlider, attrChange: InverseBindingListener) {
     slider.addOnChangeListener { _, _, _ ->
         attrChange.onChange()
@@ -348,7 +350,7 @@ fun colorEnabled(ctx: Context, enabled: Boolean): Int {
     return color
 }
 
-@BindingAdapter("app:tint")
+@BindingAdapter("tint")
 fun setImageTintList(view: ImageView, @ColorInt color: Int) {
     view.imageTintList = ColorStateList.valueOf(color)
 }

app/src/main/java/net/vonforst/evmap/ui/ConfigurationUtils.kt

@@ -0,0 +1,37 @@
+package net.vonforst.evmap.ui
+
+import androidx.appcompat.app.AppCompatDelegate
+import androidx.core.os.LocaleListCompat
+import net.vonforst.evmap.BuildConfig
+import net.vonforst.evmap.storage.PreferenceDataSource
+
+fun updateNightMode(prefs: PreferenceDataSource) {
+    AppCompatDelegate.setDefaultNightMode(
+        when (prefs.darkmode) {
+            "on" -> AppCompatDelegate.MODE_NIGHT_YES
+            "off" -> AppCompatDelegate.MODE_NIGHT_NO
+            else -> AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
+        }
+    )
+}
+
+fun updateAppLocale(language: String) {
+    AppCompatDelegate.setApplicationLocales(
+        if (language in listOf("", "default")) {
+            LocaleListCompat.getEmptyLocaleList()
+        } else {
+            LocaleListCompat.forLanguageTags(language)
+        }
+    )
+}
+
+fun getAppLocale(): String? {
+    val locales = AppCompatDelegate.getApplicationLocales()
+    return if (locales.isEmpty) {
+        "default"
+    } else {
+        val arr = Array(locales.size()) { locales.get(it)!!.toLanguageTag() }
+        LocaleListCompat.forLanguageTags(BuildConfig.supportedLocales).getFirstMatch(arr)
+            ?.toLanguageTag()
+    }
+}

app/src/main/java/net/vonforst/evmap/ui/Dialogs.kt

@@ -69,7 +69,7 @@ abstract class MaterialDialogFragment : AppCompatDialogFragment() {
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         val dialog = MaterialAlertDialogBuilder(requireContext(), theme).apply {
             dialogView =
-                onCreateView(LayoutInflater.from(requireContext()), null, savedInstanceState)!!
+                createView(LayoutInflater.from(requireContext()), null, savedInstanceState)
 
             setView(dialogView)
         }.create()
@@ -77,6 +77,12 @@ abstract class MaterialDialogFragment : AppCompatDialogFragment() {
         return dialog
     }
 
+    abstract fun createView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View
+
     abstract fun initView(view: View, savedInstanceState: Bundle?)
 
     override fun getView(): View {

app/src/main/java/net/vonforst/evmap/ui/NightModeUtils.kt

@@ -1,14 +0,0 @@
-package net.vonforst.evmap.ui
-
-import androidx.appcompat.app.AppCompatDelegate
-import net.vonforst.evmap.storage.PreferenceDataSource
-
-fun updateNightMode(prefs: PreferenceDataSource) {
-    AppCompatDelegate.setDefaultNightMode(
-        when (prefs.darkmode) {
-            "on" -> AppCompatDelegate.MODE_NIGHT_YES
-            "off" -> AppCompatDelegate.MODE_NIGHT_NO
-            else -> AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
-        }
-    )
-}

app/src/main/java/net/vonforst/evmap/ui/RangeSliderPreference.kt

@@ -89,12 +89,12 @@ class RangeSliderPreference(context: Context, attrs: AttributeSet) : Preference(
         slider.valueTo = valueTo
         stepSize?.let { slider.stepSize = it }
 
-        slider.addOnChangeListener { slider, value, fromUser ->
+        slider.addOnChangeListener { slider, _, fromUser ->
             if (fromUser && (updatesContinuously || !dragging)) {
                 syncValueInternal(slider)
             }
         }
-        slider.setOnTouchListener { v, event ->
+        slider.setOnTouchListener { _, event ->
             when (event.actionMasked) {
                 MotionEvent.ACTION_DOWN -> dragging = true
                 MotionEvent.ACTION_UP -> dragging = false

app/src/main/java/net/vonforst/evmap/utils/LocaleContextWrapper.kt

@@ -1,41 +0,0 @@
-package net.vonforst.evmap.utils
-
-import android.content.Context
-import android.content.ContextWrapper
-import android.content.res.Configuration
-import android.os.Build
-import androidx.core.os.ConfigurationCompat
-import java.util.*
-
-
-class LocaleContextWrapper(base: Context?) : ContextWrapper(base) {
-    companion object {
-        fun wrap(context: Context, language: String): ContextWrapper {
-            val sysConfig: Configuration = context.applicationContext.resources.configuration
-            val appConfig: Configuration = context.resources.configuration
-
-            if (language == "" || language == "default") {
-                // set default locale
-                Locale.setDefault(ConfigurationCompat.getLocales(sysConfig)[0])
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-                    appConfig.setLocales(sysConfig.locales)
-                } else {
-                    @Suppress("DEPRECATION")
-                    appConfig.locale = sysConfig.locale
-                }
-            } else {
-                // set selected locale
-                val locale = Locale(language)
-                Locale.setDefault(locale)
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-                    appConfig.setLocale(locale)
-                } else {
-                    @Suppress("DEPRECATION")
-                    appConfig.locale = locale
-                }
-            }
-
-            return LocaleContextWrapper(context.createConfigurationContext(appConfig))
-        }
-    }
-}

app/src/main/java/net/vonforst/evmap/utils/LocationUtils.kt

@@ -8,6 +8,8 @@ import android.location.Location
 import androidx.core.content.ContextCompat
 import com.car2go.maps.model.LatLng
 import com.car2go.maps.model.LatLngBounds
+import net.vonforst.evmap.model.Coordinate
+import java.util.*
 import kotlin.math.*
 
 /**
@@ -47,6 +49,25 @@ fun distanceBetween(
 }
 
 
+fun bearingBetween(startLat: Double, startLng: Double, endLat: Double, endLng: Double): Double {
+    val dLon = Math.toRadians(endLng) - Math.toRadians(startLng)
+    val originLat = Math.toRadians(startLat)
+    val destinationLat = Math.toRadians(endLat)
+
+    return Math.toDegrees(
+        atan2(
+            sin(dLon) * cos(destinationLat),
+            cos(originLat) * sin(destinationLat) - sin(originLat) * cos(destinationLat) * cos(dLon)
+        )
+    )
+}
+
+
+fun headingDiff(h1: Double, h2: Double): Double {
+    return (h1 - h2 + 540) % 360 - 180
+}
+
+
 fun getLocationFromIntent(intent: Intent): List<Double>? {
     val pos = intent.data?.schemeSpecificPart?.split("?")?.get(0)
     var coords = stringToCoords(pos)
@@ -92,4 +113,33 @@ fun Context.checkAnyLocationPermission() = ContextCompat.checkSelfPermission(
 fun Context.checkFineLocationPermission() = ContextCompat.checkSelfPermission(
     this,
     Manifest.permission.ACCESS_FINE_LOCATION
-) == PackageManager.PERMISSION_GRANTED
+) == PackageManager.PERMISSION_GRANTED
+
+fun Coordinate.formatDMS(): String {
+    return "${dms(lat, false)}, ${dms(lng, true)}"
+}
+
+fun Location.formatDMS(): String {
+    return "${dms(latitude, false)}, ${dms(longitude, true)}"
+}
+
+private fun dms(value: Double, lon: Boolean): String {
+    val hemisphere = if (lon) {
+        if (value >= 0) "E" else "W"
+    } else {
+        if (value >= 0) "N" else "S"
+    }
+    val d = abs(value)
+    val degrees = floor(d).toInt()
+    val minutes = floor((d - degrees) * 60).toInt()
+    val seconds = ((d - degrees) * 60 - minutes) * 60
+    return "%d°%02d'%02.1f\"%s".format(Locale.ENGLISH, degrees, minutes, seconds, hemisphere)
+}
+
+fun Coordinate.formatDecimal(accuracy: Int = 6): String {
+    return "%.${accuracy}f, %.${accuracy}f".format(Locale.ENGLISH, lat, lng)
+}
+
+fun Location.formatDecimal(accuracy: Int = 6): String {
+    return "%.${accuracy}f, %.${accuracy}f".format(Locale.ENGLISH, latitude, longitude)
+}

app/src/main/java/net/vonforst/evmap/viewmodel/ChargepriceViewModel.kt

@@ -166,10 +166,10 @@ class ChargepriceViewModel(
                                 )
                             }
                         }.filterNotNull()
-                            .sortedBy { it.chargepointPrices.first().price }
+                            .sortedBy { it.chargepointPrices.first().price ?: Double.MAX_VALUE }
                             .sortedByDescending {
                                 prefs.chargepriceMyTariffsAll ||
-                                        myTariffs != null && it.tariff?.id in myTariffs
+                                        myTariffs != null && it.tariffId in myTariffs
                             }
                         )
                     }
@@ -243,6 +243,12 @@ class ChargepriceViewModel(
         }
 
         val cpStation = ChargepriceStation.fromEvmap(charger, compatibleConnectors)
+        if (cpStation.chargePoints.isEmpty()) {
+            // no compatible connectors
+            chargePrices.value = Resource.success(emptyList())
+            chargePriceMeta.value = Resource.success(ChargepriceMeta(emptyList()))
+            return
+        }
 
         loadPricesJob?.cancel()
         loadPricesJob = viewModelScope.launch {
@@ -257,7 +263,8 @@ class ChargepriceViewModel(
                             providerCustomerTariffs = prefs.chargepriceShowProviderCustomerTariffs,
                             maxMonthlyFees = if (prefs.chargepriceNoBaseFee) 0.0 else null,
                             currency = prefs.chargepriceCurrency,
-                            allowUnbalancedLoad = prefs.chargepriceAllowUnbalancedLoad
+                            allowUnbalancedLoad = prefs.chargepriceAllowUnbalancedLoad,
+                            showPriceUnavailable = true
                         ),
                         relationships = if (!myTariffsAll) {
                             Relationships(

app/src/main/java/net/vonforst/evmap/viewmodel/Common.kt

@@ -1,71 +1,45 @@
 package net.vonforst.evmap.viewmodel
 
-import android.content.Context
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MediatorLiveData
-import kotlinx.coroutines.CoroutineScope
-import net.vonforst.evmap.api.ChargepointApi
-import net.vonforst.evmap.api.goingelectric.GoingElectricApiWrapper
-import net.vonforst.evmap.api.openchargemap.OpenChargeMapApiWrapper
-import net.vonforst.evmap.model.*
-import net.vonforst.evmap.storage.*
+import androidx.lifecycle.switchMap
+import net.vonforst.evmap.model.Filter
+import net.vonforst.evmap.model.FilterValue
+import net.vonforst.evmap.model.FilterValues
+import net.vonforst.evmap.model.FilterWithValue
+import net.vonforst.evmap.storage.FilterValueDao
 import kotlin.reflect.full.cast
 
-fun ChargepointApi<ReferenceData>.getReferenceData(
-    scope: CoroutineScope,
-    ctx: Context
-): LiveData<out ReferenceData> {
-    val db = AppDatabase.getInstance(ctx)
-    val prefs = PreferenceDataSource(ctx)
-    return when (this) {
-        is GoingElectricApiWrapper -> {
-            GEReferenceDataRepository(
-                this,
-                scope,
-                db.geReferenceDataDao(),
-                prefs
-            ).getReferenceData()
-        }
-        is OpenChargeMapApiWrapper -> {
-            OCMReferenceDataRepository(
-                this,
-                scope,
-                db.ocmReferenceDataDao(),
-                prefs
-            ).getReferenceData()
-        }
-        else -> {
-            throw RuntimeException("no reference data implemented")
-        }
-    }
-}
-
 fun filtersWithValue(
     filters: LiveData<List<Filter<FilterValue>>>,
-    filterValues: LiveData<List<FilterValue>>
-): MediatorLiveData<FilterValues> =
-    MediatorLiveData<FilterValues>().apply {
+    filterValues: LiveData<List<FilterValue>?>
+): MediatorLiveData<FilterValues?> =
+    MediatorLiveData<FilterValues?>().apply {
         listOf(filters, filterValues).forEach {
             addSource(it) {
-                val f = filters.value ?: return@addSource
-                val values = filterValues.value ?: return@addSource
-                value = f.map { filter ->
-                    val value =
-                        values.find { it.key == filter.key } ?: filter.defaultValue()
-                    FilterWithValue(filter, filter.valueClass.cast(value))
+                val f = filters.value ?: run {
+                    value = null
+                    return@addSource
                 }
+                val values = filterValues.value ?: run {
+                    value = null
+                    return@addSource
+                }
+                value = filtersWithValue(f, values)
             }
         }
     }
 
+fun filtersWithValue(
+    filters: List<Filter<FilterValue>>,
+    values: List<FilterValue>
+) = filters.map { filter ->
+    val value =
+        values.find { it.key == filter.key } ?: filter.defaultValue()
+    FilterWithValue(filter, filter.valueClass.cast(value))
+}
+
 fun FilterValueDao.getFilterValues(filterStatus: LiveData<Long>, dataSource: String) =
-    MediatorLiveData<List<FilterValue>>().apply {
-        var source: LiveData<List<FilterValue>>? = null
-        addSource(filterStatus) { status ->
-            source?.let { removeSource(it) }
-            source = getFilterValues(status, dataSource)
-            addSource(source!!) { result ->
-                value = result
-            }
-        }
+    filterStatus.switchMap {
+        getFilterValues(it, dataSource)
     }

app/src/main/java/net/vonforst/evmap/viewmodel/FavoritesViewModel.kt

@@ -16,7 +16,7 @@ import net.vonforst.evmap.model.FavoriteWithDetail
 import net.vonforst.evmap.storage.AppDatabase
 import net.vonforst.evmap.utils.distanceBetween
 
-class FavoritesViewModel(application: Application, geApiKey: String) :
+class FavoritesViewModel(application: Application) :
     AndroidViewModel(application) {
     private var db = AppDatabase.getInstance(application)
 
@@ -69,7 +69,7 @@ class FavoritesViewModel(application: Application, geApiKey: String) :
                     FavoritesListItem(
                         favorite,
                         totalAvailable(charger.id),
-                        charger.chargepoints.sumBy { it.count },
+                        charger.chargepoints.sumOf { it.count },
                         location.value.let { loc ->
                             if (loc == null) null else {
                                 distanceBetween(

app/src/main/java/net/vonforst/evmap/viewmodel/FilterViewModel.kt

@@ -8,27 +8,23 @@ import net.vonforst.evmap.api.createApi
 import net.vonforst.evmap.api.stringProvider
 import net.vonforst.evmap.model.*
 import net.vonforst.evmap.storage.AppDatabase
+import net.vonforst.evmap.storage.ChargeLocationsRepository
 import net.vonforst.evmap.storage.FilterProfile
 import net.vonforst.evmap.storage.PreferenceDataSource
 
 
 class FilterViewModel(application: Application) : AndroidViewModel(application) {
-    private var db = AppDatabase.getInstance(application)
-    private var prefs = PreferenceDataSource(application)
-    private var api: ChargepointApi<ReferenceData> = createApi(prefs.dataSource, application)
+    private val db = AppDatabase.getInstance(application)
+    private val prefs = PreferenceDataSource(application)
+    private val api: ChargepointApi<ReferenceData> = createApi(prefs.dataSource, application)
+    private val repo = ChargeLocationsRepository(api, viewModelScope, db, prefs)
+    private val filters = repo.getFilters(application.stringProvider())
 
-    private val referenceData = api.getReferenceData(viewModelScope, application)
-    private val filters = MediatorLiveData<List<Filter<FilterValue>>>().apply {
-        addSource(referenceData) { data ->
-            value = api.getFilters(data, application.stringProvider())
-        }
-    }
-
-    private val filterValues: LiveData<List<FilterValue>> by lazy {
+    private val filterValues: LiveData<List<FilterValue>?> by lazy {
         db.filterValueDao().getFilterValues(FILTERS_CUSTOM, prefs.dataSource)
     }
 
-    val filtersWithValue: LiveData<FilterValues> by lazy {
+    val filtersWithValue: LiveData<FilterValues?> by lazy {
         filtersWithValue(filters, filterValues)
     }
 
@@ -65,9 +61,10 @@ class FilterViewModel(application: Application) : AndroidViewModel(application)
         prefs.filterStatus = FILTERS_CUSTOM
     }
 
-    suspend fun saveAsProfile(name: String) {
+    suspend fun saveAsProfile(name: String): Boolean {
         // get or create profile
         var profileId = db.filterProfileDao().getProfileByName(name, prefs.dataSource)?.id
+
         if (profileId == null) {
             profileId = db.filterProfileDao().getNewId(prefs.dataSource)
             db.filterProfileDao().insert(FilterProfile(name, prefs.dataSource, profileId))
@@ -85,6 +82,8 @@ class FilterViewModel(application: Application) : AndroidViewModel(application)
 
         // set selected profile
         prefs.filterStatus = profileId
+
+        return true
     }
 
     suspend fun deleteCurrentProfile() {
@@ -93,4 +92,8 @@ class FilterViewModel(application: Application) : AndroidViewModel(application)
             prefs.filterStatus = FILTERS_DISABLED
         }
     }
+
+    suspend fun resetValues() {
+        db.filterValueDao().deleteFilterValuesForProfile(FILTERS_CUSTOM, prefs.dataSource)
+    }
 }

app/src/main/java/net/vonforst/evmap/viewmodel/MapViewModel.kt

@@ -6,30 +6,37 @@ import androidx.lifecycle.*
 import com.car2go.maps.AnyMap
 import com.car2go.maps.model.LatLng
 import com.car2go.maps.model.LatLngBounds
+import com.mahc.custombottomsheetbehavior.BottomSheetBehaviorGoogleMapsLike
+import com.squareup.moshi.JsonDataException
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import kotlinx.parcelize.Parcelize
-import net.vonforst.evmap.api.ChargepointApi
+import net.vonforst.evmap.R
+import net.vonforst.evmap.api.availability.AvailabilityDetectorException
 import net.vonforst.evmap.api.availability.ChargeLocationStatus
 import net.vonforst.evmap.api.availability.getAvailability
 import net.vonforst.evmap.api.createApi
+import net.vonforst.evmap.api.equivalentPlugTypes
+import net.vonforst.evmap.api.fronyx.FronyxApi
+import net.vonforst.evmap.api.fronyx.FronyxEvseIdResponse
+import net.vonforst.evmap.api.fronyx.FronyxStatus
 import net.vonforst.evmap.api.goingelectric.GEChargepoint
-import net.vonforst.evmap.api.goingelectric.GEReferenceData
-import net.vonforst.evmap.api.goingelectric.GoingElectricApiWrapper
+import net.vonforst.evmap.api.nameForPlugType
 import net.vonforst.evmap.api.openchargemap.OCMConnection
 import net.vonforst.evmap.api.openchargemap.OCMReferenceData
-import net.vonforst.evmap.api.openchargemap.OpenChargeMapApiWrapper
 import net.vonforst.evmap.api.stringProvider
 import net.vonforst.evmap.autocomplete.PlaceWithBounds
 import net.vonforst.evmap.model.*
 import net.vonforst.evmap.storage.AppDatabase
+import net.vonforst.evmap.storage.ChargeLocationsRepository
 import net.vonforst.evmap.storage.FilterProfile
 import net.vonforst.evmap.storage.PreferenceDataSource
 import net.vonforst.evmap.ui.cluster
 import net.vonforst.evmap.utils.distanceBetween
+import retrofit2.HttpException
 import java.io.IOException
+import java.time.ZonedDateTime
 
 @Parcelize
 data class MapPosition(val bounds: LatLngBounds, val zoom: Float) : Parcelable
@@ -44,21 +51,43 @@ internal fun getClusterDistance(zoom: Float): Int? {
 
 class MapViewModel(application: Application, private val state: SavedStateHandle) :
     AndroidViewModel(application) {
-    val apiType: Class<ChargepointApi<ReferenceData>>
-        get() = api.value!!.javaClass
-    val apiName: String
-        get() = api.value!!.getName()
+    private val db = AppDatabase.getInstance(application)
+    private val prefs = PreferenceDataSource(application)
+    private val repo = ChargeLocationsRepository(
+        createApi(prefs.dataSource, application),
+        viewModelScope,
+        db,
+        prefs
+    )
 
-    private var db = AppDatabase.getInstance(application)
-    private var prefs = PreferenceDataSource(application)
-    private var api = MutableLiveData<ChargepointApi<ReferenceData>>().apply {
-        value = createApi(prefs.dataSource, application)
+    val apiId = repo.api.map { it.id }
+
+    init {
+        // necessary so that apiId is updated
+        apiId.observeForever { }
     }
 
+    val apiName = repo.api.map { it.name }
+
     val bottomSheetState: MutableLiveData<Int> by lazy {
         state.getLiveData("bottomSheetState")
     }
 
+    val bottomSheetExpanded = MediatorLiveData<Boolean>().apply {
+        addSource(bottomSheetState) {
+            when (it) {
+                BottomSheetBehaviorGoogleMapsLike.STATE_COLLAPSED,
+                BottomSheetBehaviorGoogleMapsLike.STATE_HIDDEN -> {
+                    value = false
+                }
+                BottomSheetBehaviorGoogleMapsLike.STATE_EXPANDED,
+                BottomSheetBehaviorGoogleMapsLike.STATE_ANCHOR_POINT -> {
+                    value = true
+                }
+            }
+        }
+    }.distinctUntilChanged()
+
     val mapPosition: MutableLiveData<MapPosition> by lazy {
         state.getLiveData("mapPosition")
     }
@@ -71,47 +100,28 @@ class MapViewModel(application: Application, private val state: SavedStateHandle
             }
         }
     }
-    private val filterValues: LiveData<List<FilterValue>> =
+    private val filterValues: LiveData<List<FilterValue>?> = repo.api.switchMap {
         db.filterValueDao().getFilterValues(filterStatus, prefs.dataSource)
-    private val referenceData =
-        Transformations.switchMap(api) { it.getReferenceData(viewModelScope, application) }
-    private val filters = Transformations.map(referenceData) {
-        api.value!!.getFilters(
-            it,
-            application.stringProvider()
-        )
     }
+    private val filters = repo.getFilters(application.stringProvider())
 
-    private val filtersWithValue: LiveData<FilterValues> by lazy {
+    private val filtersWithValue: LiveData<FilterValues?> by lazy {
         filtersWithValue(filters, filterValues)
     }
 
-    val filterProfiles: LiveData<List<FilterProfile>> by lazy {
+    val filterProfiles: LiveData<List<FilterProfile>> = repo.api.switchMap {
         db.filterProfileDao().getProfiles(prefs.dataSource)
     }
 
-    val chargeCardMap: LiveData<Map<Long, ChargeCard>> by lazy {
-        MediatorLiveData<Map<Long, ChargeCard>>().apply {
-            value = null
-            addSource(referenceData) { data ->
-                value = if (data is GEReferenceData) {
-                    data.chargecards.map {
-                        it.id to it.convert()
-                    }.toMap()
-                } else {
-                    null
-                }
-            }
-        }
-    }
+    val chargeCardMap = repo.chargeCardMap
 
     val filtersCount: LiveData<Int> by lazy {
         MediatorLiveData<Int>().apply {
             value = 0
             addSource(filtersWithValue) { filtersWithValue ->
-                value = filtersWithValue.count {
+                value = filtersWithValue?.count {
                     !it.value.hasSameValueAs(it.filter.defaultValue())
-                }
+                } ?: 0
             }
         }
     }
@@ -121,7 +131,7 @@ class MapViewModel(application: Application, private val state: SavedStateHandle
                 value = Resource.loading(emptyList())
                 // this is not automatically updated with mapPosition, as we only want to update
                 // when map is idle.
-                listOf(filtersWithValue, referenceData).forEach {
+                listOf(filtersWithValue, repo.api).forEach {
                     addSource(it) {
                         reloadChargepoints()
                     }
@@ -141,28 +151,17 @@ class MapViewModel(application: Application, private val state: SavedStateHandle
     val chargerSparse: MutableLiveData<ChargeLocation> by lazy {
         state.getLiveData("chargerSparse")
     }
-    val chargerDetails: MediatorLiveData<Resource<ChargeLocation>> by lazy {
-        MediatorLiveData<Resource<ChargeLocation>>().apply {
-            value = state["chargerDetails"]
-            listOf(chargerSparse, referenceData).forEach {
-                addSource(it) { _ ->
-                    val charger = chargerSparse.value
-                    val refData = referenceData.value
-                    if (charger != null && refData != null) {
-                        if (charger.id != value?.data?.id) {
-                            loadChargerDetails(charger, refData)
-                        }
-                    } else {
-                        value = null
-                    }
-                }
-            }
-            observeForever {
-                // persist data in case fragment gets recreated
-                state["chargerDetails"] = it
-            }
+    val chargerDetails: LiveData<Resource<ChargeLocation>> = chargerSparse.switchMap { charger ->
+        charger?.id?.let {
+            repo.getChargepointDetail(it)
+        }
+    }.apply {
+        observeForever { chargerDetail ->
+            // persist data in case fragment gets recreated
+            state["chargerDetails"] = chargerDetail
         }
     }
+
     val charger: MediatorLiveData<Resource<ChargeLocation>> by lazy {
         MediatorLiveData<Resource<ChargeLocation>>().apply {
             addSource(chargerDetails) {
@@ -196,15 +195,15 @@ class MapViewModel(application: Application, private val state: SavedStateHandle
     val location: MutableLiveData<LatLng> by lazy {
         MutableLiveData<LatLng>()
     }
-    val availability: MediatorLiveData<Resource<ChargeLocationStatus>> by lazy {
-        MediatorLiveData<Resource<ChargeLocationStatus>>().apply {
-            addSource(chargerSparse) { charger ->
-                if (charger != null) {
-                    viewModelScope.launch {
-                        loadAvailability(charger)
+    private val triggerAvailabilityRefresh = MutableLiveData<Boolean>(true)
+    val availability: LiveData<Resource<ChargeLocationStatus>> by lazy {
+        chargerSparse.switchMap { charger ->
+            charger?.let {
+                triggerAvailabilityRefresh.switchMap {
+                    liveData {
+                        emit(Resource.loading(null))
+                        emit(getAvailability(charger))
                     }
-                } else {
-                    value = null
                 }
             }
         }
@@ -230,6 +229,131 @@ class MapViewModel(application: Application, private val state: SavedStateHandle
             addSource(filteredMinPower, callback)
         }
     }
+
+    val predictionApi = FronyxApi(application.getString(R.string.fronyx_key))
+
+    val prediction: LiveData<Resource<List<FronyxEvseIdResponse>>> by lazy {
+        availability.switchMap { av ->
+            if (!prefs.predictionEnabled) return@switchMap null
+
+            av.data?.evseIds?.let { evseIds ->
+                liveData {
+                    emit(Resource.loading(null))
+
+                    val charger = charger.value?.data ?: return@liveData
+                    val allEvseIds =
+                        evseIds.filterKeys {
+                            FronyxApi.isChargepointSupported(charger, it) &&
+                                    filteredConnectors.value?.let { filtered ->
+                                        equivalentPlugTypes(
+                                            it.type
+                                        ).any { filtered.contains(it) }
+                                    } ?: true
+                        }.flatMap { it.value }
+                    if (allEvseIds.isEmpty()) {
+                        emit(Resource.success(emptyList()))
+                        return@liveData
+                    }
+                    try {
+                        val result = predictionApi.getPredictionsForEvseIds(allEvseIds)
+                        if (result.size == allEvseIds.size) {
+                            emit(Resource.success(result))
+                        } else {
+                            emit(Resource.error("not all EVSEIDs found", null))
+                        }
+                    } catch (e: IOException) {
+                        emit(Resource.error(e.message, null))
+                        e.printStackTrace()
+                    } catch (e: HttpException) {
+                        emit(Resource.error(e.message, null))
+                        e.printStackTrace()
+                    } catch (e: AvailabilityDetectorException) {
+                        emit(Resource.error(e.message, null))
+                        e.printStackTrace()
+                    } catch (e: JsonDataException) {
+                        // malformed JSON response from fronyx API
+                        emit(Resource.error(e.message, null))
+                        e.printStackTrace()
+                    }
+                }
+            } ?: liveData { emit(Resource.success(null)) }
+        }
+    }
+
+    val predictionGraph: LiveData<Map<ZonedDateTime, Int>?> by lazy {
+        prediction.map {
+            it.data?.let { responses ->
+                if (responses.isEmpty()) {
+                    null
+                } else {
+                    val evseIds = responses.map { it.evseId }
+                    val groupByTimestamp = responses.flatMap { response ->
+                        response.predictions.map {
+                            Triple(
+                                it.timestamp,
+                                response.evseId,
+                                it.status
+                            )
+                        }
+                    }
+                        .groupBy { it.first }  // group by timestamp
+                        .mapValues { it.value.map { it.second to it.third } }  // only keep EVSEID and status
+                        .filterValues { it.map { it.first } == evseIds }  // remove values where status is not given for all EVSEs
+                        .filterKeys { it > ZonedDateTime.now() }  // only show predictions in the future
+
+                    groupByTimestamp.mapValues {
+                        it.value.count {
+                            it.second == FronyxStatus.UNAVAILABLE
+                        }
+                    }.ifEmpty { null }
+                }
+            }
+        }
+    }
+
+    private val predictedChargepoints = charger.map {
+        it.data?.let { charger ->
+            charger.chargepoints.filter {
+                FronyxApi.isChargepointSupported(charger, it) &&
+                        filteredConnectors.value?.let { filtered ->
+                            equivalentPlugTypes(it.type).any {
+                                filtered.contains(
+                                    it
+                                )
+                            }
+                        } ?: true
+            }
+        }
+    }
+
+    val predictionMaxValue: LiveData<Int> by lazy {
+        predictedChargepoints.map {
+            it?.sumOf { it.count } ?: 0
+        }
+    }
+
+    val predictionDescription: LiveData<String?> by lazy {
+        predictedChargepoints.map { predictedChargepoints ->
+            if (predictedChargepoints == null) return@map null
+            val allChargepoints = charger.value?.data?.chargepoints ?: return@map null
+
+            val predictedChargepointTypes = predictedChargepoints.map { it.type }.distinct()
+            if (allChargepoints == predictedChargepoints) {
+                null
+            } else if (predictedChargepointTypes.size == 1) {
+                application.getString(
+                    R.string.prediction_only,
+                    nameForPlugType(application.stringProvider(), predictedChargepointTypes[0])
+                )
+            } else {
+                application.getString(
+                    R.string.prediction_only,
+                    application.getString(R.string.prediction_dc_plugs_only)
+                )
+            }
+        }
+    }
+
     val myLocationEnabled: MutableLiveData<Boolean> by lazy {
         MutableLiveData<Boolean>()
     }
@@ -267,7 +391,9 @@ class MapViewModel(application: Application, private val state: SavedStateHandle
 
     fun reloadPrefs() {
         filterStatus.value = prefs.filterStatus
-        api.value = createApi(prefs.dataSource, getApplication())
+        if (prefs.dataSource != apiId.value) {
+            repo.api.value = createApi(prefs.dataSource, getApplication())
+        }
     }
 
     fun toggleFilters() {
@@ -307,8 +433,7 @@ class MapViewModel(application: Application, private val state: SavedStateHandle
     fun reloadChargepoints() {
         val pos = mapPosition.value ?: return
         val filters = filtersWithValue.value ?: return
-        val referenceData = referenceData.value ?: return
-        chargepointLoader(Triple(pos, filters, referenceData))
+        chargepointLoader(pos to filters)
     }
 
     private val miniMarkerThreshold = 13f
@@ -335,17 +460,16 @@ class MapViewModel(application: Application, private val state: SavedStateHandle
         }
     }.distinctUntilChanged()
 
+    private var chargepointsInternal: LiveData<Resource<List<ChargepointListItem>>>? = null
     private var chargepointLoader =
         throttleLatest(
             500L,
             viewModelScope
-        ) { data: Triple<MapPosition, FilterValues, ReferenceData> ->
+        ) { data: Pair<MapPosition, FilterValues> ->
             chargepoints.value = Resource.loading(chargepoints.value?.data)
 
             val mapPosition = data.first
             val filters = data.second
-            val api = api.value!!
-            val refData = data.third
 
             if (filterStatus.value == FILTERS_FAVORITES) {
                 // load favorites from local DB
@@ -368,96 +492,57 @@ class MapViewModel(application: Application, private val state: SavedStateHandle
                 return@throttleLatest
             }
 
-            if (api is GoingElectricApiWrapper) {
-                val chargeCardsVal = filters.getMultipleChoiceValue("chargecards")!!
-                filteredChargeCards.value =
-                    if (chargeCardsVal.all) null else chargeCardsVal.values.map { it.toLong() }
-                        .toSet()
+            val result = repo.getChargepoints(mapPosition.bounds, mapPosition.zoom, filters)
+            chargepointsInternal?.let { chargepoints.removeSource(it) }
+            chargepointsInternal = result
+            chargepoints.addSource(result) {
+                val apiId = apiId.value
+                when (apiId) {
+                    "going_electric" -> {
+                        val chargeCardsVal = filters.getMultipleChoiceValue("chargecards")!!
+                        filteredChargeCards.value =
+                            if (chargeCardsVal.all) null else chargeCardsVal.values.map { it.toLong() }
+                                .toSet()
 
-                val connectorsVal = filters.getMultipleChoiceValue("connectors")!!
-                filteredConnectors.value =
-                    if (connectorsVal.all) null else connectorsVal.values.map {
-                        GEChargepoint.convertTypeFromGE(it)
-                    }.toSet()
-                filteredMinPower.value = filters.getSliderValue("min_power")
-            } else if (api is OpenChargeMapApiWrapper) {
-                val connectorsVal = filters.getMultipleChoiceValue("connectors")!!
-                filteredConnectors.value =
-                    if (connectorsVal.all) null else connectorsVal.values.map {
-                        OCMConnection.convertConnectionTypeFromOCM(
-                            it.toLong(),
-                            refData as OCMReferenceData
-                        )
-                    }.toSet()
-                filteredMinPower.value = filters.getSliderValue("min_power")
-            } else {
-                filteredConnectors.value = null
-                filteredMinPower.value = null
-                filteredChargeCards.value = null
+                        val connectorsVal = filters.getMultipleChoiceValue("connectors")!!
+                        filteredConnectors.value =
+                            if (connectorsVal.all) null else connectorsVal.values.map {
+                                GEChargepoint.convertTypeFromGE(it)
+                            }.toSet()
+                        filteredMinPower.value = filters.getSliderValue("min_power")
+                    }
+                    "open_charge_map" -> {
+                        val connectorsVal = filters.getMultipleChoiceValue("connectors")!!
+                        filteredConnectors.value =
+                            if (connectorsVal.all) null else connectorsVal.values.map {
+                                OCMConnection.convertConnectionTypeFromOCM(
+                                    it.toLong(),
+                                    repo.referenceData.value!! as OCMReferenceData
+                                )
+                            }.toSet()
+                        filteredMinPower.value = filters.getSliderValue("min_power")
+                    }
+                    else -> {
+                        filteredConnectors.value = null
+                        filteredMinPower.value = null
+                        filteredChargeCards.value = null
+                    }
+                }
+
+                chargepoints.value = it
             }
-
-            var result = api.getChargepoints(refData, mapPosition.bounds, mapPosition.zoom, filters)
-            if (result.status == Status.ERROR && result.data == null) {
-                // keep old results if new data could not be loaded
-                result = Resource.error(result.message, chargepoints.value?.data)
-            }
-
-            chargepoints.value = result
         }
 
-    private suspend fun loadAvailability(charger: ChargeLocation) {
-        availability.value = Resource.loading(null)
-        availability.value = getAvailability(charger)
-    }
-
     fun reloadAvailability() {
-        val charger = chargerSparse.value ?: return
-        viewModelScope.launch {
-            loadAvailability(charger)
-        }
-    }
-
-    private var chargerLoadingTask: Job? = null
-
-    private fun loadChargerDetails(charger: ChargeLocation, referenceData: ReferenceData) {
-        chargerDetails.value = Resource.loading(null)
-        chargerLoadingTask?.cancel()
-        chargerLoadingTask = viewModelScope.launch {
-            try {
-                val chargerDetail = api.value!!.getChargepointDetail(referenceData, charger.id)
-                chargerDetails.value = chargerDetail
-                if (favorites.value?.any { it.charger.id == chargerDetail.data?.id } == true) {
-                    // update data of stored favorite
-                    db.chargeLocationsDao().insert(charger)
-                }
-            } catch (e: IOException) {
-                chargerDetails.value = Resource.error(e.message, null)
-                e.printStackTrace()
-            }
-        }
+        triggerAvailabilityRefresh.value = true
     }
 
     fun loadChargerById(chargerId: Long) {
-        chargerDetails.value = Resource.loading(null)
         chargerSparse.value = null
-        referenceData.observeForever(object : Observer<ReferenceData> {
-            override fun onChanged(refData: ReferenceData) {
-                referenceData.removeObserver(this)
-                viewModelScope.launch {
-                    val response = api.value!!.getChargepointDetail(refData, chargerId)
-                    chargerDetails.value = response
-                    if (response.status == Status.SUCCESS) {
-                        chargerSparse.value = response.data
-
-                        if (response.data != null && favorites.value?.any { it.charger.id == response.data.id } == true) {
-                            // update data of stored favorite
-                            db.chargeLocationsDao().insert(response.data)
-                        }
-                    } else {
-                        chargerSparse.value = null
-                    }
-                }
+        repo.getChargepointDetail(chargerId).observeForever { response ->
+            if (response.status == Status.SUCCESS) {
+                chargerSparse.value = response.data
             }
-        })
+        }
     }
 }

app/src/main/java/net/vonforst/evmap/viewmodel/Utils.kt

@@ -4,10 +4,7 @@ import android.os.Parcelable
 import androidx.annotation.MainThread
 import androidx.annotation.Nullable
 import androidx.lifecycle.*
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
+import kotlinx.coroutines.*
 import kotlinx.parcelize.Parcelize
 import kotlinx.parcelize.RawValue
 import java.util.concurrent.atomic.AtomicBoolean
@@ -16,7 +13,7 @@ import java.util.concurrent.atomic.AtomicBoolean
 @Suppress("UNCHECKED_CAST")
 inline fun <VM : ViewModel> viewModelFactory(crossinline f: () -> VM) =
     object : ViewModelProvider.Factory {
-        override fun <T : ViewModel> create(aClass: Class<T>): T = f() as T
+        override fun <T : ViewModel> create(modelClass: Class<T>): T = f() as T
     }
 
 @Suppress("UNCHECKED_CAST")
@@ -107,4 +104,43 @@ fun <T> throttleLatest(
             waitingParam = param
         }
     }
+}
+
+@ExperimentalCoroutinesApi
+suspend fun <T> LiveData<T>.await(): T {
+    return suspendCancellableCoroutine { continuation ->
+        val observer = object : Observer<T> {
+            override fun onChanged(value: T?) {
+                if (value == null) return
+                removeObserver(this)
+                continuation.resume(value, null)
+            }
+        }
+
+        observeForever(observer)
+
+        continuation.invokeOnCancellation {
+            removeObserver(observer)
+        }
+    }
+}
+
+@ExperimentalCoroutinesApi
+suspend fun <T> LiveData<Resource<T>>.awaitFinished(): Resource<T> {
+    return suspendCancellableCoroutine { continuation ->
+        val observer = object : Observer<Resource<T>> {
+            override fun onChanged(value: Resource<T>) {
+                if (value.status != Status.LOADING) {
+                    removeObserver(this)
+                    continuation.resume(value, null)
+                }
+            }
+        }
+
+        observeForever(observer)
+
+        continuation.invokeOnCancellation {
+            removeObserver(observer)
+        }
+    }
 }

app/src/main/res/drawable/bar_graph.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@android:color/black" />
+    <corners
+        android:topLeftRadius="2dp"
+        android:topRightRadius="2dp" />
+</shape>

app/src/main/res/drawable/ic_filter_no.xml

@@ -0,0 +1,10 @@
+<vector android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportHeight="24"
+    android:viewportWidth="24"
+    android:width="24dp"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M10.83,8H21V6H8.83L10.83,8zM15.83,13H18v-2h-4.17L15.83,13zM14,16.83V18h-4v-2h3.17l-3,-3H6v-2h2.17l-3,-3H3V6h0.17L1.39,4.22l1.41,-1.41l18.38,18.38l-1.41,1.41L14,16.83z" />
+</vector>

app/src/main/res/drawable/ic_lightning.xml

@@ -0,0 +1,10 @@
+<vector android:height="24dp"
+    android:tint="#000000"
+    android:viewportHeight="24"
+    android:viewportWidth="24"
+    android:width="24dp"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M11,21h-1l1,-7H7.5c-0.58,0 -0.57,-0.32 -0.38,-0.66 0.19,-0.34 0.05,-0.08 0.07,-0.12C8.48,10.94 10.42,7.54 13,3h1l-1,7h3.5c0.49,0 0.56,0.33 0.47,0.51l-0.07,0.15C12.96,17.55 11,21 11,21z" />
+</vector>

app/src/main/res/drawable/ic_manage_filter_profiles.xml

@@ -0,0 +1,10 @@
+<vector android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportHeight="24"
+    android:viewportWidth="24"
+    android:width="24dp"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M3,10h11v2H3V10zM3,8h11V6H3V8zM3,16h7v-2H3V16zM18.01,12.87l0.71,-0.71c0.39,-0.39 1.02,-0.39 1.41,0l0.71,0.71c0.39,0.39 0.39,1.02 0,1.41l-0.71,0.71L18.01,12.87zM17.3,13.58l-5.3,5.3V21h2.12l5.3,-5.3L17.3,13.58z" />
+</vector>

app/src/main/res/drawable/ic_map_marker_charging.xml

@@ -1,12 +1,15 @@
-<vector android:height="44.11976dp"
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:viewportHeight="368.4"
     android:viewportWidth="233.8"
     android:width="28dp"
-    xmlns:android="http://schemas.android.com/apk/res/android">
-    <path
-        android:fillColor="#FFFFFF"
-        android:pathData="M109.8,0h13.6c33.9,1.9 67.1,18.5 87.7,45.8c13.5,17.2 21,38.6 22.7,60.3v8.1c-0.8,42.1 -27.7,76.6 -51,109.4c-26.2,37 -50.4,77.3 -57.1,122.9c-1.8,7.7 0.4,18.5 -8.9,22c-2.2,-1.7 -4.7,-3.1 -6.2,-5.4c-2.7,-25.5 -9.1,-50.7 -20,-73.9c-12.3,-27.1 -29.5,-51.6 -47,-75.6C33,199 23,184.2 14.7,168.3c-13,-23.8 -17.9,-51.9 -12.5,-78.6c4.4,-21.1 15.4,-40.6 30.6,-55.7C53.3,14 81.1,1.8 109.8,0z" />
-    <path
-        android:fillColor="#808080"
-        android:pathData="M90.9,57.3v68.2h18.6v55.8l43.4,-74.4h-24.8l24.8,-49.6H90.9z" />
+    android:height="44.11976dp">
+  <path
+      android:pathData="M117,367.4c-0.4,-0.3 -0.8,-0.6 -1.2,-0.9c-1.6,-1.2 -3.1,-2.3 -4.2,-3.7c-2.9,-26.9 -9.6,-51.7 -20.1,-74c-12.4,-27.3 -30.1,-52.4 -47.1,-75.8c-8.7,-12 -19.8,-27.9 -28.8,-45.2C2.3,143.6 -2.1,115.9 3.2,89.9c4.3,-20.4 15,-40 30.3,-55.2C53.6,15.1 81.5,2.8 109.9,1l13.5,0c34.4,1.9 66.9,18.9 86.9,45.4c12.8,16.3 20.8,37.5 22.5,59.8l0,8c-0.7,38.8 -23.7,70.9 -45.9,101.9c-1.7,2.3 -3.3,4.6 -5,6.9c-24.4,34.5 -50.3,76.1 -57.3,123.3c-0.5,2 -0.7,4.3 -0.9,6.5C123.3,359 122.8,364.9 117,367.4z"
+      android:fillColor="#FFFFFF" />
+  <path
+      android:pathData="M123.3,2c34.1,1.9 66.3,18.8 86.2,45c12.6,16.1 20.5,37.1 22.3,59.1l0,8c-0.7,38.5 -23.6,70.5 -45.7,101.3c-1.7,2.3 -3.3,4.6 -5,6.9c-24.5,34.6 -50.5,76.3 -57.4,123.7c-0.5,2.1 -0.7,4.4 -0.9,6.7c-0.5,5.9 -1,11 -5.8,13.4c-0.2,-0.2 -0.5,-0.4 -0.7,-0.5c-1.5,-1.1 -2.9,-2 -3.8,-3.3c-2.9,-26.9 -9.7,-51.8 -20.1,-74C80,261 62.3,235.8 45.2,212.4c-8.7,-11.9 -19.8,-27.8 -28.8,-45.1C3.3,143.3 -1,115.9 4.2,90.1c4.2,-20.2 14.9,-39.6 30,-54.7C54.2,16 81.7,3.8 109.9,2H123.3M123.4,0h-13.6c-28.7,1.8 -56.5,14 -77,34C17.6,49.1 6.6,68.6 2.2,89.7c-5.4,26.7 -0.5,54.8 12.5,78.6C23,184.2 33,199 43.6,213.6c17.5,24 34.7,48.5 47,75.6c10.9,23.2 17.3,48.4 20,73.9c1.5,2.3 4,3.7 6.2,5.4c9.3,-3.5 7.1,-14.3 8.9,-22c6.7,-45.6 30.9,-85.9 57.1,-122.9c23.3,-32.8 50.2,-67.3 51,-109.4v-8.1c-1.7,-21.7 -9.2,-43.1 -22.7,-60.3C190.5,18.5 157.3,1.9 123.4,0L123.4,0z"
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+      android:fillColor="#808080" />
 </vector>

app/src/main/res/drawable/ic_map_marker_charging_mini.xml

@@ -4,8 +4,8 @@
     android:height="16dp"
     xmlns:android="http://schemas.android.com/apk/res/android">
     <path
-        android:fillColor="#dddddd"
-        android:pathData="M12,12m-8.5,0a8.5,8.5 0,1 1,17 0a8.5,8.5 0,1 1,-17 0" />
+        android:fillColor="#808080"
+        android:pathData="M12,12m-9,0a9,9 0,1 1,18 0a9,9 0,1 1,-18 0" />
     <path
         android:fillColor="@android:color/white"
         android:pathData="M12,12m-7.5,0a7.5,7.5 0,1 1,15 0a7.5,7.5 0,1 1,-15 0" />

app/src/main/res/drawable/ic_map_marker_charging_multiple.xml

@@ -12,6 +12,9 @@
   <path
       android:fillColor="#B5B5B5"
       android:pathData="M122.2,101.9h16.7h5.7l22.3,-44.6c0,0 -10.2,0 -22.4,0l-1.1,2.2L122.2,101.9z" />
+  <path
+      android:pathData="M123.3,2c34.1,1.9 66.3,18.8 86.2,45c12.6,16.1 20.5,37.1 22.3,59.1l0,8c-0.7,38.5 -23.6,70.5 -45.7,101.3c-1.7,2.3 -3.3,4.6 -5,6.9c-24.5,34.6 -50.5,76.3 -57.4,123.7c-0.5,2.1 -0.7,4.4 -0.9,6.7c-0.5,5.9 -1,11 -5.8,13.4c-0.2,-0.2 -0.5,-0.4 -0.7,-0.5c-1.5,-1.1 -2.9,-2 -3.8,-3.3c-2.9,-26.9 -9.7,-51.8 -20.1,-74C80,261 62.3,235.8 45.2,212.4c-8.7,-11.9 -19.8,-27.8 -28.8,-45.1C3.3,143.3 -1,115.9 4.2,90.1c4.2,-20.2 14.9,-39.6 30,-54.7C54.2,16 81.7,3.8 109.9,2H123.3M123.4,0h-13.6c-28.7,1.8 -56.5,14 -77,34C17.6,49.1 6.6,68.6 2.2,89.7c-5.4,26.7 -0.5,54.8 12.5,78.6C23,184.2 33,199 43.6,213.6c17.5,24 34.7,48.5 47,75.6c10.9,23.2 17.3,48.4 20,73.9c1.5,2.3 4,3.7 6.2,5.4c9.3,-3.5 7.1,-14.3 8.9,-22c6.7,-45.6 30.9,-85.9 57.1,-122.9c23.3,-32.8 50.2,-67.3 51,-109.4v-8.1c-1.7,-21.7 -9.2,-43.1 -22.7,-60.3C190.5,18.5 157.3,1.9 123.4,0L123.4,0z"
+      android:fillColor="#808080" />
   <path
       android:fillColor="#808080"
       android:pathData="M138.9,57.3c-9.7,0 -19.8,0 -26.4,0c-2.5,0 -5.1,0 -7.6,0c-8.2,0 -16.1,0 -21.4,0c-4.1,0 -6.6,0 -6.6,0v68.2h18.6v55.8l43.4,-74.4h-24.8L138.9,57.3z" />