rename changelog files

fixes #168

.gitattributes

@@ -1,2 +0,0 @@
-_img/screenshots/**/*.png filter=lfs diff=lfs merge=lfs -text
-fastlane/metadata/android/**/images/**/*.png filter=lfs diff=lfs merge=lfs -text

.github/workflows/apikeys-ci.xml

@@ -0,0 +1,7 @@
+<resources>
+   <string name="google_maps_key" templateMergeStrategy="preserve" translatable="false">ci</string>
+   <string name="mapbox_key" translatable="false">ci</string>
+   <string name="goingelectric_key" translatable="false">ci</string>
+   <string name="chargeprice_key" translatable="false">ci</string>
+   <string name="openchargemap_key" translatable="false">ci</string>
+</resources>

.github/workflows/release.yml

@@ -0,0 +1,77 @@
+on:
+  push:
+    tags:
+      - '*'
+
+name: Release
+
+jobs:
+  test:
+    name: Build and upload release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+
+      - name: Set up Java environment
+        uses: actions/setup-java@v2
+        with:
+          java-version: 11
+          distribution: 'zulu'
+          cache: 'gradle'
+      - name: Decrypt keystore
+        run: openssl aes-256-cbc -K  ${{ secrets.encrypted_53968681344a_key }} -iv  ${{ secrets.encrypted_53968681344a_iv }} -in _ci/keystore.jks.enc -out _ci/keystore.jks -d
+      - name: Extract version code
+        run: echo "VERSION_CODE=$(grep -o "^\s*versionCode\s\+[0-9]*" app/build.gradle | awk '{ print $2 }' | tr -d \''"\\')" >> $GITHUB_ENV
+
+      - name: Build app release
+        env:
+          GOINGELECTRIC_API_KEY: ${{ secrets.GOINGELECTRIC_API_KEY }}
+          OPENCHARGEMAP_API_KEY: ${{ secrets.OPENCHARGEMAP_API_KEY }}
+          CHARGEPRICE_API_KEY: ${{ secrets.CHARGEPRICE_API_KEY }}
+          MAPBOX_API_KEY: ${{ secrets.MAPBOX_API_KEY }}
+          GOOGLE_MAPS_API_KEY: ${{ secrets.GOOGLE_MAPS_API_KEY }}
+          KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
+          KEYSTORE_ALIAS: ${{ secrets.KEYSTORE_ALIAS }}
+          KEYSTORE_ALIAS_PASSWORD: ${{ secrets.KEYSTORE_ALIAS_PASSWORD }}
+        run: ./gradlew assembleRelease --no-daemon
+
+      - name: release
+        uses: actions/create-release@v1
+        id: create_release
+        with:
+          draft: false
+          prerelease: false
+          release_name: ${{ steps.version.outputs.version }}
+          tag_name: ${{ github.ref }}
+          body_path: fastlane/metadata/android/en-US/changelogs/${{ env.VERSION_CODE }}.txt
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+
+      - name: upload Google artifact
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: app/build/outputs/apk/googleNormal/release/app-google-normal-release.apk
+          asset_name: app-google-normal-release.apk
+          asset_content_type: application/vnd.android.package-archive
+      - name: upload Foss artifact
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: app/build/outputs/apk/fossNormal/release/app-foss-normal-release.apk
+          asset_name: app-foss-normal-release.apk
+          asset_content_type: application/vnd.android.package-archive
+      - name: upload Google Automotive artifact
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: app/build/outputs/apk/googleAutomotive/release/app-google-automotive-release.apk
+          asset_name: app-google-automotive-release.apk
+          asset_content_type: application/vnd.android.package-archive

.github/workflows/tests.yml

@@ -0,0 +1,36 @@
+on:
+  pull_request:
+  push:
+    branches:
+      - '*'
+
+name: Tests
+
+jobs:
+
+  test:
+    name: Build and Test (${{ matrix.buildvariant }})
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        buildvariant: [ FossNormal, GoogleNormal, GoogleAutomotive ]
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v2
+
+      - name: Set up Java environment
+        uses: actions/setup-java@v2
+        with:
+          java-version: 11
+          distribution: 'zulu'
+          cache: 'gradle'
+
+      - name: Copy apikeys.xml
+        run: cp .github/workflows/apikeys-ci.xml app/src/main/res/values/apikeys.xml
+
+      - name: Build app
+        run: ./gradlew assemble${{ matrix.buildvariant }}Debug --no-daemon
+      - name: Run unit tests
+        run: ./gradlew test${{ matrix.buildvariant }}DebugUnitTest --no-daemon
+      - name: Run Android Lint
+        run: ./gradlew lint${{ matrix.buildvariant }}Debug --no-daemon

.travis.yml

@@ -1,46 +0,0 @@
-language: java
-dist: focal
-env:
-  global:
-    - secure: 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
-    - secure: Hoko50vP+Mwm/O4CWvPvjMxd1gGhi+Bultjyy1WpludSmZFCfKz45Mj1EqzeYk6MeMLvGOEkSLB5wjdXdgJ9j5gEOF5K34k4vESJA7+DqDO3I7Xw9cnWgOXdFqB0qGHar0TVP3Dfg7ZcRgtmeX6t2uoELFLiS9GvTnbZXk4PCUybd979Xi8XHjEQV7+3EZbSjtsI4GFeIK1rrjd0I+UM88zYrWnz1KhdCjWvQb4iZjo+ib6NmGGEMqR7jJPRZz3KB01Y+n5h21qq9/Nv31zQIqt2B5nRxy3vBvvqKapgprIk+hVOpNnBU8w89uWUU6tYUeFk0t7z1TYWjgaBrMmGCM+aKkQ2q5F/ygNzDwB+KkpJx709Yhf0ZX8g2yvkdz+Ok7moYuvmrOPOf4E/U3BlfZxbGtRD2bGYbDgHLFYlTn6v5J2kJHDJAz31yvF5jvJejDaPp2IBVfoMRy7ZJFmGUNHGd9Se6bRwxS++AoobP5WDrBiUXNe2KKDMs3e7vbaO+hLbZ9XHpjeWIJGUfvtTee8EHZqF/8A3ju53V4/R0ehlOv2UZbpYNqcmwrsy9/R4pgMfDkG3Q054LmYrxD8DIC9b8excVMwWRP5aQ1TqZnxO2B1/vJU87RcnGl3jekeHTdHXbRq9BMV4dAdPfB9X3nGIi2GgV0iTBk+24xccOc0=
-    - secure: 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
-    - secure: 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
-    - secure: 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
-    - ANDROID_HOME=$HOME/android-sdk
-before_install:
-  - openssl aes-256-cbc -K $encrypted_53968681344a_key -iv $encrypted_53968681344a_iv -in _ci/keystore.jks.enc -out _ci/keystore.jks -d
-install:
-  # Download and unzip the Android command line tools (if not already there thanks to the cache mechanism)
-  # Latest version of this file available here: https://developer.android.com/studio/#command-tools
-  - if test ! -e $HOME/android-cmdline-tools/cmdline-tools.zip ; then curl https://dl.google.com/android/repository/commandlinetools-linux-6609375_latest.zip > $HOME/android-cmdline-tools/cmdline-tools.zip ; fi
-  - unzip -qq -n $HOME/android-cmdline-tools/cmdline-tools.zip -d $HOME/android-cmdline-tools
-  # Install or update Android SDK components (will not do anything if already up to date thanks to the cache mechanism)
-  - echo y | $HOME/android-cmdline-tools/tools/bin/sdkmanager --sdk_root=$HOME/android-sdk 'platform-tools' > /dev/null
-  # Latest version of build-tools available here: https://developer.android.com/studio/releases/build-tools.html
-  - echo y | $HOME/android-cmdline-tools/tools/bin/sdkmanager --sdk_root=$HOME/android-sdk 'build-tools;29.0.3' > /dev/null
-  - echo y | $HOME/android-cmdline-tools/tools/bin/sdkmanager --sdk_root=$HOME/android-sdk 'platforms;android-29' > /dev/null
-script:
-  - "./gradlew lintFossDebug testFossDebugUnitTest lintGoogleDebug testGoogleDebugUnitTest"
-  - "./gradlew assembleRelease"
-before_cache:
-  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
-  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
-cache:
-  directories:
-    - "$HOME/.gradle/caches/"
-    - "$HOME/.gradle/wrapper/"
-    - "$HOME/.android/build-cache"
-    - "$HOME/android-cmdline-tools"
-    - "$HOME/android-sdk"
-deploy:
-  provider: releases
-  api_key:
-    secure: "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"
-  file:
-    - app/build/outputs/apk/foss/release/app-foss-release.apk
-    - app/build/outputs/apk/google/release/app-google-release.apk
-  on:
-    repo: johan12345/EVMap
-    tags: true
-  skip_cleanup: 'true'

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020-2021 Johan von Forstner
+Copyright (c) 2020-2022 Johan von Forstner
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -1,4 +1,4 @@
-EVMap [![Build Status](https://app.travis-ci.com/johan12345/EVMap.svg?branch=master)](https://app.travis-ci.com/johan12345/EVMap)
+EVMap [![Build Status](https://github.com/johan12345/EVMap/actions/workflows/tests.yml/badge.svg)](https://github.com/johan12345/EVMap/actions)
 =====
 
 <img src="https://raw.githubusercontent.com/johan12345/EVMap/master/_img/feature_graphic.svg" width=700 alt="Logo"/>

app/build.gradle

@@ -1,3 +1,7 @@
+plugins {
+    id 'com.adarshr.test-logger' version '3.1.0'
+}
+
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-parcelize'
@@ -13,21 +17,22 @@ android {
         applicationId "net.vonforst.evmap"
         minSdkVersion 21
         targetSdkVersion 31
-        versionCode 66
-        versionName "1.1.2"
+        // NOTE: always increase versionCode by 2 since automotive flavor uses versionCode + 1
+        versionCode 74
+        versionName "1.3.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     signingConfigs {
         release {
-            def isRunningOnTravis = System.getenv("CI") == "true"
-            if (isRunningOnTravis) {
+            def isRunningOnCI = System.getenv("CI") == "true"
+            if (isRunningOnCI) {
                 // configure keystore
                 storeFile = file("../_ci/keystore.jks")
-                storePassword = System.getenv("keystore_password")
-                keyAlias = System.getenv("keystore_alias")
-                keyPassword = System.getenv("keystore_alias_password")
+                storePassword = System.getenv("KEYSTORE_PASSWORD")
+                keyAlias = System.getenv("KEYSTORE_ALIAS")
+                keyPassword = System.getenv("KEYSTORE_ALIAS_PASSWORD")
             }
         }
     }
@@ -44,7 +49,7 @@ android {
         }
     }
 
-    flavorDimensions "dependencies"
+    flavorDimensions "dependencies", "automotive"
     productFlavors {
         foss {
             dimension "dependencies"
@@ -53,6 +58,22 @@ android {
             dimension "dependencies"
             versionNameSuffix "-google"
         }
+        normal {
+            dimension "automotive"
+        }
+        automotive {
+            dimension "automotive"
+            versionNameSuffix "-automotive"
+            versionCode defaultConfig.versionCode + 1
+            minSdkVersion 29
+        }
+    }
+    variantFilter { variant ->
+        def names = variant.flavors*.name
+        // Android Automotive OS app is always based on Google variant
+        if (names.contains("automotive") && !names.contains("google")) {
+            setIgnore(true)
+        }
     }
 
     compileOptions {
@@ -69,6 +90,9 @@ android {
         dataBinding = true
         viewBinding true
     }
+    lint {
+        disable 'NullSafeMutableLiveData'
+    }
 
     // add API keys from environment variable if not set in apikeys.xml
     applicationVariants.all { variant ->
@@ -85,7 +109,7 @@ android {
             variant.resValue "string", "openchargemap_key", openchargemapKey
         }
         def googleMapsKey = env.GOOGLE_MAPS_API_KEY ?: project.findProperty("GOOGLE_MAPS_API_KEY")
-        if (googleMapsKey != null && variant.flavorName == 'google') {
+        if (googleMapsKey != null && variant.flavorName.startsWith('google')) {
             variant.resValue "string", "google_maps_key", googleMapsKey
         }
         def mapboxKey = env.MAPBOX_API_KEY ?: project.findProperty("MAPBOX_API_KEY")
@@ -104,22 +128,24 @@ android {
         }
     }
 
-    lintOptions {
-        disable 'NullSafeMutableLiveData'
-    }
+}
+
+configurations {
+    googleNormalImplementation {}
+    googleAutomotiveImplementation {}
 }
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'androidx.appcompat:appcompat:1.4.1'
     implementation 'androidx.core:core-ktx:1.7.0'
-    implementation 'androidx.core:core-splashscreen:1.0.0-alpha02'
+    implementation 'androidx.core:core-splashscreen:1.0.0-beta01'
     implementation "androidx.activity:activity-ktx:1.4.0"
-    implementation "androidx.fragment:fragment-ktx:1.3.6"
+    implementation "androidx.fragment:fragment-ktx:1.4.1"
     implementation 'androidx.cardview:cardview:1.0.0'
-    implementation 'androidx.preference:preference-ktx:1.1.1'
-    implementation 'com.google.android.material:material:1.4.0'
-    implementation 'androidx.constraintlayout:constraintlayout:2.1.1'
+    implementation 'androidx.preference:preference-ktx:1.2.0'
+    implementation 'com.google.android.material:material:1.5.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
     implementation 'androidx.recyclerview:recyclerview:1.2.1'
     implementation 'androidx.browser:browser:1.4.0'
     implementation 'com.github.johan12345:CustomBottomSheetBehavior:f69f532660'
@@ -127,8 +153,8 @@ dependencies {
     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:1.12.0'
-    implementation 'com.squareup.moshi:moshi-adapters:1.12.0'
+    implementation 'com.squareup.moshi:moshi-kotlin:1.13.0'
+    implementation 'com.squareup.moshi:moshi-adapters:1.13.0'
     implementation 'moe.banana:moshi-jsonapi:3.5.0'
     implementation 'moe.banana:moshi-jsonapi-retrofit-converter:3.5.0'
     implementation 'io.coil-kt:coil:1.1.0'
@@ -143,14 +169,15 @@ dependencies {
     implementation 'com.github.romandanylyk:PageIndicatorView:b1bad589b5'
 
     // Android Auto
-    googleImplementation 'androidx.car.app:app:1.1.0-rc01'
-    googleImplementation 'androidx.car.app:app-projected:1.1.0-rc01'
+    googleImplementation 'androidx.car.app:app:1.2.0-rc01'
+    googleNormalImplementation 'androidx.car.app:app-projected:1.2.0-rc01'
+    googleAutomotiveImplementation 'androidx.car.app:app-automotive:1.2.0-rc01'
 
     // AnyMaps
     def anyMapsVersion = '751daec281'
     implementation "com.github.johan12345.AnyMaps:anymaps-base:$anyMapsVersion"
     googleImplementation "com.github.johan12345.AnyMaps:anymaps-google:$anyMapsVersion"
-    googleImplementation 'com.google.android.gms:play-services-maps:18.0.0'
+    googleImplementation 'com.google.android.gms:play-services-maps:18.0.2'
     implementation "com.github.johan12345.AnyMaps:anymaps-mapbox:$anyMapsVersion"
 
     // Google Places
@@ -165,18 +192,18 @@ dependencies {
     implementation "androidx.navigation:navigation-ui-ktx:$nav_version"
 
     // viewmodel library
-    def lifecycle_version = "2.4.0"
+    def lifecycle_version = "2.4.1"
     implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"
     implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_version"
 
     // room library
-    def room_version = "2.3.0"
+    def room_version = "2.4.2"
     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 = "4.0.0"
+    def billing_version = "4.1.0"
     googleImplementation "com.android.billingclient:billing:$billing_version"
     googleImplementation "com.android.billingclient:billing-ktx:$billing_version"
 
@@ -196,7 +223,7 @@ dependencies {
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 
-    kapt "com.squareup.moshi:moshi-kotlin-codegen:1.12.0"
+    kapt "com.squareup.moshi:moshi-kotlin-codegen:1.13.0"
 
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
 }
@@ -211,4 +238,4 @@ private static byte[] xorWithKey(byte[] a, byte[] key) {
         out[i] = (byte) (a[i] ^ key[i%key.length]);
     }
     return out;
-}
+}

app/src/foss/java/net/vonforst/evmap/fragment/DonateFragment.kt

@@ -8,6 +8,7 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.ui.setupWithNavController
+import com.google.android.material.transition.MaterialSharedAxis
 import net.vonforst.evmap.MapsActivity
 import net.vonforst.evmap.R
 import net.vonforst.evmap.databinding.FragmentDonateBinding
@@ -15,11 +16,17 @@ import net.vonforst.evmap.databinding.FragmentDonateBinding
 class DonateFragment : Fragment() {
     private lateinit var binding: FragmentDonateBinding
 
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enterTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
+        returnTransition = MaterialSharedAxis(MaterialSharedAxis.X, false)
+    }
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
-    ): View? {
+    ): View {
         binding = FragmentDonateBinding.inflate(inflater, container, false)
         return binding.root
     }
@@ -27,16 +34,13 @@ class DonateFragment : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         (requireActivity() as AppCompatActivity).setSupportActionBar(binding.toolbar)
 
-        binding.btnDonate.setOnClickListener {
-            (activity as? MapsActivity)?.openUrl(getString(R.string.paypal_link))
-        }
-    }
-
-    override fun onResume() {
-        super.onResume()
         binding.toolbar.setupWithNavController(
             findNavController(),
             (requireActivity() as MapsActivity).appBarConfiguration
         )
+
+        binding.btnDonate.setOnClickListener {
+            (activity as? MapsActivity)?.openUrl(getString(R.string.paypal_link))
+        }
     }
 }

app/src/foss/res/layout/fragment_donate.xml

@@ -23,7 +23,7 @@
 
     <Button
         android:id="@+id/btnDonate"
-        style="@style/Widget.MaterialComponents.Button.Icon"
+        style="@style/Widget.Material3.Button.Icon"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="24dp"

app/src/foss/res/values-de/values.xml

@@ -11,4 +11,5 @@
     </string-array>
     <string name="donations_info" formatted="false">Findest du EVMap nützlich? Unterstütze die Weiterentwicklung der App mit einer Spende an den Entwickler.\n\nGoogle zieht von der Spende 30% Gebühren ab.</string>
     <string name="donate_paypal">Mit PayPal spenden</string>
+    <string name="data_sources_hint">Die Kartendaten für die App stammen von OpenStreetMap (Mapbox).</string>
 </resources>

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

@@ -17,4 +17,5 @@
     <string name="donations_info" formatted="false">Do you find EVMap useful? Support its development by sending a donation to the developer.</string>
     <string name="donate_paypal">Donate with PayPal</string>
     <string name="paypal_link" translatable="false">https://paypal.me/johan98</string>
+    <string name="data_sources_hint">Map data in the app is provided by OpenStreetMap (Mapbox).</string>
 </resources>

app/src/foss/res/xml/settings_variantspecific.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen>
+
+</PreferenceScreen>

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

@@ -8,6 +8,7 @@ import androidx.car.app.CarContext
 import androidx.car.app.Screen
 import androidx.car.app.Session
 import androidx.car.app.hardware.CarHardwareManager
+import androidx.car.app.hardware.common.CarValue
 import androidx.car.app.hardware.info.CarHardwareLocation
 import androidx.car.app.hardware.info.CarSensors
 import androidx.car.app.validation.HostValidator
@@ -90,11 +91,13 @@ class EVMapSession(val cas: CarAppService) : Session(), LifecycleObserver {
     }
 
     private fun onCarHardwareLocationReceived(loc: CarHardwareLocation) {
-        updateLocation(loc.location.value)
+        if (loc.location.status == CarValue.STATUS_SUCCESS && loc.location.value != null) {
+            updateLocation(loc.location.value)
 
-        // we successfully received a location from the car hardware,
-        // so we don't need the smartphone location anymore.
-        unbindLocationService()
+            // we successfully received a location from the car hardware,
+            // so we don't need the smartphone location anymore.
+            unbindLocationService()
+        }
     }
 
     @OnLifecycleEvent(Lifecycle.Event.ON_START)

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

@@ -0,0 +1,19 @@
+package net.vonforst.evmap.auto
+
+/**
+ * This file lists known mappings between the vehicle model provided by Android Auto's CarInfo API
+ * and human-readable vehicle models as listed by Chargeprice in their vehicle database.
+ */
+
+private val models = mapOf(
+    "Audi" to mapOf(
+        "516 (G4x)" to "e-tron"
+    )
+)
+
+fun getVehicleModel(manufacturer: String?, model: String?) =
+    if (manufacturer != null && model != null) {
+        models[manufacturer]?.get(model) ?: model
+    } else {
+        null
+    }

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

@@ -8,6 +8,7 @@ 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.CarHardwareManager
 import androidx.car.app.hardware.info.Model
 import androidx.car.app.model.*
@@ -21,7 +22,7 @@ import moe.banana.jsonapi2.HasMany
 import moe.banana.jsonapi2.HasOne
 import moe.banana.jsonapi2.JsonBuffer
 import moe.banana.jsonapi2.ResourceIdentifier
-import net.vonforst.evmap.*
+import net.vonforst.evmap.R
 import net.vonforst.evmap.api.chargeprice.*
 import net.vonforst.evmap.model.ChargeLocation
 import net.vonforst.evmap.storage.AppDatabase
@@ -37,9 +38,11 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
     }
     private var prices: List<ChargePrice>? = null
     private var meta: ChargepriceChargepointMeta? = null
-    private val maxRows = 6
+    private val maxRows = if (ctx.carAppApiLevel >= 2) {
+        ctx.constraintManager.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_LIST)
+    } else 6
     private var errorMessage: String? = null
-    private val batteryRange = listOf(20.0, 80.0)
+    private val batteryRange = prefs.chargepriceBatteryRangeAndroidAuto
 
     override fun onGetTemplate(): Template {
         if (prices == null) loadData()
@@ -168,47 +171,10 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
     private fun loadPrices(model: Model?) {
         val dataAdapter = getDataAdapter() ?: return
         val manufacturer = model?.manufacturer?.value
-        val modelName = model?.name?.value
+        val modelName = getVehicleModel(model?.manufacturer?.value, model?.name?.value)
         lifecycleScope.launch {
             try {
-                var vehicles = api.getVehicles().filter {
-                    it.id in prefs.chargepriceMyVehicles
-                }
-                if (vehicles.isEmpty()) {
-                    errorMessage = carContext.getString(R.string.chargeprice_select_car_first)
-                    invalidate()
-                    return@launch
-                } else if (vehicles.size > 1) {
-                    if (manufacturer != null && modelName != null) {
-                        vehicles = vehicles.filter {
-                            it.brand == manufacturer && it.name.startsWith(modelName)
-                        }
-                        if (vehicles.isEmpty()) {
-                            errorMessage = carContext.getString(
-                                R.string.auto_chargeprice_vehicle_unknown,
-                                manufacturer,
-                                modelName
-                            )
-                            invalidate()
-                            return@launch
-                        } else if (vehicles.size > 1) {
-                            errorMessage = carContext.getString(
-                                R.string.auto_chargeprice_vehicle_ambiguous,
-                                manufacturer,
-                                modelName
-                            )
-                            invalidate()
-                            return@launch
-                        }
-                    } else {
-                        errorMessage =
-                            carContext.getString(R.string.auto_chargeprice_vehicle_unavailable)
-                        invalidate()
-                        return@launch
-                    }
-                }
-                val car = vehicles[0]
-
+                val car = determineVehicle(manufacturer, modelName)
                 val cpStation = ChargepriceStation.fromEvmap(charger, car.compatibleEvmapConnectors)
                 val result = api.getChargePrices(ChargepriceRequest().apply {
                     this.dataAdapter = dataAdapter
@@ -229,10 +195,11 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
                         }
                     } else null
                     options = ChargepriceOptions(
-                        batteryRange = batteryRange,
+                        batteryRange = batteryRange.map { it.toDouble() },
                         providerCustomerTariffs = prefs.chargepriceShowProviderCustomerTariffs,
                         maxMonthlyFees = if (prefs.chargepriceNoBaseFee) 0.0 else null,
-                        currency = prefs.chargepriceCurrency
+                        currency = prefs.chargepriceCurrency,
+                        allowUnbalancedLoad = prefs.chargepriceAllowUnbalancedLoad
                     )
                 }, ChargepriceApi.getChargepriceLanguage())
 
@@ -283,10 +250,73 @@ class ChargepriceScreen(ctx: CarContext, val charger: ChargeLocation) : Screen(c
                     )
                         .show()
                 }
+            } catch (e: NoVehicleSelectedException) {
+                errorMessage = carContext.getString(R.string.chargeprice_select_car_first)
+                invalidate()
+            } catch (e: VehicleUnknownException) {
+                errorMessage = carContext.getString(
+                    R.string.auto_chargeprice_vehicle_unknown,
+                    manufacturer,
+                    modelName
+                )
+                invalidate()
+            } catch (e: VehicleAmbiguousException) {
+                errorMessage = carContext.getString(
+                    R.string.auto_chargeprice_vehicle_ambiguous,
+                    manufacturer,
+                    modelName
+                )
+                invalidate()
+            } catch (e: VehicleUnavailableException) {
+                errorMessage =
+                    carContext.getString(R.string.auto_chargeprice_vehicle_unavailable)
+                invalidate()
             }
         }
     }
 
+    private class NoVehicleSelectedException : Exception()
+    private class VehicleUnknownException : Exception()
+    private class VehicleAmbiguousException : Exception()
+    private class VehicleUnavailableException : Exception()
+
+    private suspend fun determineVehicle(
+        manufacturer: String?,
+        modelName: String?
+    ): ChargepriceCar {
+        var vehicles = api.getVehicles().filter {
+            it.id in prefs.chargepriceMyVehicles
+        }
+        if (vehicles.isEmpty()) {
+            throw NoVehicleSelectedException()
+        } else if (vehicles.size > 1) {
+            if (manufacturer != null) {
+                vehicles = vehicles.filter {
+                    it.brand == manufacturer
+                }
+                if (vehicles.isEmpty()) {
+                    throw VehicleUnknownException()
+                } else if (vehicles.size > 1) {
+                    if (modelName != null) {
+                        vehicles = vehicles.filter {
+                            it.name.startsWith(modelName)
+                        }
+                        if (vehicles.isEmpty()) {
+                            throw VehicleUnknownException()
+                        } else if (vehicles.size > 1) {
+                            throw VehicleAmbiguousException()
+                        }
+                    } else {
+                        throw VehicleAmbiguousException()
+                    }
+                }
+            } else {
+                throw VehicleUnavailableException()
+            }
+        }
+        return vehicles[0]
+    }
+
     private fun getDataAdapter(): String? = when (charger.dataSource) {
         "goingelectric" -> ChargepriceApi.DATA_SOURCE_GOINGELECTRIC
         "openchargemap" -> ChargepriceApi.DATA_SOURCE_OPENCHARGEMAP

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

@@ -2,6 +2,7 @@ package net.vonforst.evmap.auto
 
 import android.content.Intent
 import android.graphics.Bitmap
+import android.graphics.Canvas
 import android.graphics.drawable.BitmapDrawable
 import android.net.Uri
 import android.text.SpannableStringBuilder
@@ -9,12 +10,16 @@ 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.model.*
 import androidx.core.graphics.drawable.IconCompat
+import androidx.core.graphics.scale
+import androidx.core.text.HtmlCompat
 import androidx.lifecycle.lifecycleScope
 import coil.imageLoader
 import coil.request.ImageRequest
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import net.vonforst.evmap.*
@@ -25,6 +30,7 @@ import net.vonforst.evmap.api.createApi
 import net.vonforst.evmap.api.nameForPlugType
 import net.vonforst.evmap.api.stringProvider
 import net.vonforst.evmap.model.ChargeLocation
+import net.vonforst.evmap.model.Favorite
 import net.vonforst.evmap.storage.AppDatabase
 import net.vonforst.evmap.storage.PreferenceDataSource
 import net.vonforst.evmap.ui.ChargerIconGenerator
@@ -50,10 +56,21 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
     private val referenceData = api.getReferenceData(lifecycleScope, carContext)
 
     private val imageSize = 128  // images should be 128dp according to docs
+    private val imageHeightLarge = 480  // images should be 480 x 854 dp according to docs
+    private val imageWidthLarge = 854
 
     private val iconGen =
         ChargerIconGenerator(carContext, null, oversize = 1.4f, height = imageSize)
 
+    private val maxRows = if (ctx.carAppApiLevel >= 2) {
+        ctx.constraintManager.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_PANE)
+    } else 2
+    private val largeImageSupported =
+        ctx.carAppApiLevel >= 4  // since API 4, Row.setImage is supported
+
+    private var favorite: Favorite? = null
+    private var favoriteUpdateJob: Job? = null
+
     init {
         referenceData.observe(this) {
             loadCharger()
@@ -66,86 +83,21 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
         return PaneTemplate.Builder(
             Pane.Builder().apply {
                 charger?.let { charger ->
-                    addRow(Row.Builder().apply {
-                        setTitle(charger.address.toString())
-
-                        val icon = iconGen.getBitmap(
-                            tint = getMarkerTint(charger),
-                            fault = charger.faultReport != null,
-                            multi = charger.isMulti()
-                        )
-                        setImage(
-                            CarIcon.Builder(IconCompat.createWithBitmap(icon)).build(),
-                            Row.IMAGE_TYPE_LARGE
-                        )
-
-                        val chargepointsText = SpannableStringBuilder()
-                        charger.chargepointsMerged.forEachIndexed { i, cp ->
-                            if (i > 0) chargepointsText.append(" · ")
-                            chargepointsText.append(
-                                "${cp.count}× ${
-                                    nameForPlugType(
-                                        carContext.stringProvider(),
-                                        cp.type
+                    if (largeImageSupported && photo != null) {
+                        setImage(CarIcon.Builder(IconCompat.createWithBitmap(photo)).build())
+                    }
+                    generateRows(charger).forEach { addRow(it) }
+                    addAction(
+                        Action.Builder()
+                            .setIcon(
+                                CarIcon.Builder(
+                                    IconCompat.createWithResource(
+                                        carContext,
+                                        R.drawable.ic_navigation
                                     )
-                                } ${cp.formatPower()}"
+                                ).build()
                             )
-                            availability?.status?.get(cp)?.let { status ->
-                                chargepointsText.append(
-                                    " (${availabilityText(status)}/${cp.count})",
-                                    ForegroundCarColorSpan.create(carAvailabilityColor(status)),
-                                    Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
-                                )
-                            }
-                        }
-                        addText(chargepointsText)
-                    }.build())
-                    addRow(Row.Builder().apply {
-                        photo?.let {
-                            setImage(
-                                CarIcon.Builder(IconCompat.createWithBitmap(photo)).build(),
-                                Row.IMAGE_TYPE_LARGE
-                            )
-                        }
-                        val operatorText = StringBuilder().apply {
-                            charger.operator?.let { append(it) }
-                            charger.network?.let {
-                                if (isNotEmpty()) append(" · ")
-                                append(it)
-                            }
-                        }.ifEmpty {
-                            carContext.getString(R.string.unknown_operator)
-                        }
-                        setTitle(operatorText)
-
-                        charger.cost?.let { addText(it.getStatusText(carContext, emoji = true)) }
-                        charger.faultReport?.created?.let {
-                            addText(
-                                carContext.getString(
-                                    R.string.auto_fault_report_date,
-                                    it.atZone(ZoneId.systemDefault())
-                                        .format(DateTimeFormatter.ofLocalizedDate(FormatStyle.SHORT))
-                                )
-                            )
-                        }
-
-                        /*val types = charger.chargepoints.map { it.type }.distinct()
-                        if (types.size == 1) {
-                            setImage(
-                                CarIcon.of(IconCompat.createWithResource(carContext, iconForPlugType(types[0]))),
-                                Row.IMAGE_TYPE_ICON)
-                        }*/
-                    }.build())
-                    addAction(Action.Builder()
-                        .setIcon(
-                            CarIcon.Builder(
-                                IconCompat.createWithResource(
-                                    carContext,
-                                    R.drawable.ic_navigation
-                                )
-                            ).build()
-                        )
-                        .setTitle(carContext.getString(R.string.navigate))
+                            .setTitle(carContext.getString(R.string.navigate))
                         .setBackgroundColor(CarColor.PRIMARY)
                         .setOnClickListener {
                             navigateToCharger(charger)
@@ -174,29 +126,223 @@ class ChargerDetailScreen(ctx: CarContext, val chargerSparse: ChargeLocation) :
         ).apply {
             setTitle(chargerSparse.name)
             setHeaderAction(Action.BACK)
-            setActionStrip(
-                ActionStrip.Builder().addAction(
-                    Action.Builder()
-                        .setTitle(carContext.getString(R.string.open_in_app))
-                        .setOnClickListener(ParkedOnlyOnClickListener.create {
-                            val intent = Intent(carContext, MapsActivity::class.java)
-                                .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
-                                .putExtra(EXTRA_CHARGER_ID, chargerSparse.id)
-                                .putExtra(EXTRA_LAT, chargerSparse.coordinates.lat)
-                                .putExtra(EXTRA_LON, chargerSparse.coordinates.lng)
-                            carContext.startActivity(intent)
-                            CarToast.makeText(
-                                carContext,
-                                R.string.opened_on_phone,
-                                CarToast.LENGTH_LONG
-                            ).show()
-                        })
-                        .build()
-                ).build()
-            )
+            charger?.let { charger ->
+                setActionStrip(
+                    ActionStrip.Builder().apply {
+                        if (BuildConfig.FLAVOR_automotive != "automotive") {
+                            // show "Open in app" action if not running on Android Automotive
+                            addAction(
+                                Action.Builder()
+                                    .setTitle(carContext.getString(R.string.open_in_app))
+                                    .setOnClickListener(ParkedOnlyOnClickListener.create {
+                                        val intent = Intent(carContext, MapsActivity::class.java)
+                                            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                                            .putExtra(EXTRA_CHARGER_ID, chargerSparse.id)
+                                            .putExtra(EXTRA_LAT, chargerSparse.coordinates.lat)
+                                            .putExtra(EXTRA_LON, chargerSparse.coordinates.lng)
+                                        carContext.startActivity(intent)
+                                        CarToast.makeText(
+                                            carContext,
+                                            R.string.opened_on_phone,
+                                            CarToast.LENGTH_LONG
+                                        ).show()
+                                    })
+                                    .build()
+                            )
+                        }
+                        // show fav action
+                        addAction(Action.Builder()
+                            .setOnClickListener {
+                                favorite?.let {
+                                    deleteFavorite(it)
+                                } ?: run {
+                                    insertFavorite(charger)
+                                }
+                            }
+                            .setIcon(
+                                CarIcon.Builder(
+                                    IconCompat.createWithResource(
+                                        carContext,
+                                        if (favorite != null) {
+                                            R.drawable.ic_fav
+                                        } else {
+                                            R.drawable.ic_fav_no
+                                        }
+                                    )
+                                )
+                                    .setTint(CarColor.DEFAULT).build()
+                            )
+                            .build())
+                            .build()
+                    }.build()
+                )
+            }
         }.build()
     }
 
+    private fun insertFavorite(charger: ChargeLocation) {
+        if (favoriteUpdateJob?.isCompleted == false) return
+        favoriteUpdateJob = lifecycleScope.launch {
+            db.chargeLocationsDao().insert(charger)
+            val fav = Favorite(
+                chargerId = charger.id,
+                chargerDataSource = charger.dataSource
+            )
+            val id = db.favoritesDao().insert(fav)[0]
+            favorite = fav.copy(favoriteId = id)
+            invalidate()
+        }
+    }
+
+    private fun deleteFavorite(fav: Favorite) {
+        if (favoriteUpdateJob?.isCompleted == false) return
+        favoriteUpdateJob = lifecycleScope.launch {
+            db.favoritesDao().delete(fav)
+            favorite = null
+            invalidate()
+        }
+    }
+
+    private fun generateRows(charger: ChargeLocation): List<Row> {
+        val rows = mutableListOf<Row>()
+
+        // Row 1: address + chargepoints
+        rows.add(Row.Builder().apply {
+            setTitle(charger.address.toString())
+
+            if (photo == null) {
+                // show just the icon
+                val icon = iconGen.getBitmap(
+                    tint = getMarkerTint(charger),
+                    fault = charger.faultReport != null,
+                    multi = charger.isMulti()
+                )
+                setImage(
+                    CarIcon.Builder(IconCompat.createWithBitmap(icon)).build(),
+                    Row.IMAGE_TYPE_LARGE
+                )
+            } else if (!largeImageSupported) {
+                // show the photo with icon
+                setImage(
+                    CarIcon.Builder(IconCompat.createWithBitmap(photo)).build(),
+                    Row.IMAGE_TYPE_LARGE
+                )
+            }
+            addText(generateChargepointsText(charger))
+        }.build())
+        if (maxRows <= 3) {
+            // row 2: operator + cost + fault report
+            rows.add(Row.Builder().apply {
+                if (photo != null && !largeImageSupported) {
+                    setImage(
+                        CarIcon.Builder(IconCompat.createWithBitmap(photo)).build(),
+                        Row.IMAGE_TYPE_LARGE
+                    )
+                }
+                val operatorText = generateOperatorText(charger)
+                setTitle(operatorText)
+
+                charger.cost?.let { addText(it.getStatusText(carContext, emoji = true)) }
+                charger.faultReport?.let { fault ->
+                    addText(
+                        carContext.getString(
+                            R.string.auto_fault_report_date,
+                            fault.created?.atZone(ZoneId.systemDefault())
+                                ?.format(DateTimeFormatter.ofLocalizedDate(FormatStyle.SHORT))
+                        )
+                    )
+                }
+            }.build())
+        } else {
+            // row 2: operator + cost + cost description
+            rows.add(Row.Builder().apply {
+                if (photo != null && !largeImageSupported) {
+                    setImage(
+                        CarIcon.Builder(IconCompat.createWithBitmap(photo)).build(),
+                        Row.IMAGE_TYPE_LARGE
+                    )
+                }
+                val operatorText = generateOperatorText(charger)
+                setTitle(operatorText)
+                charger.cost?.let {
+                    addText(it.getStatusText(carContext, emoji = true))
+                    (it.descriptionShort ?: it.descriptionLong)?.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))
+                        )
+                    )
+                    fault.description?.let {
+                        addText(
+                            HtmlCompat.fromHtml(
+                                it.replace("\n", " · "),
+                                HtmlCompat.FROM_HTML_MODE_LEGACY
+                            )
+                        )
+                    }
+                }.build())
+            }
+            // row 4: opening hours + location description
+            charger.openinghours?.let { hours ->
+                val title =
+                    hours.getStatusText(carContext).ifEmpty { carContext.getString(R.string.hours) }
+                rows.add(Row.Builder().apply {
+                    setTitle(title)
+                    hours.description?.let { addText(it) }
+                    charger.locationDescription?.let { addText(it) }
+                }.build())
+            }
+        }
+        return rows
+    }
+
+    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
+                    )
+                } ${cp.formatPower()}"
+            )
+            availability?.status?.get(cp)?.let { status ->
+                chargepointsText.append(
+                    " (${availabilityText(status)}/${cp.count})",
+                    ForegroundCarColorSpan.create(carAvailabilityColor(status)),
+                    Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
+                )
+            }
+        }
+        return chargepointsText
+    }
+
+    private fun generateOperatorText(charger: ChargeLocation) =
+        if (charger.operator != null && charger.network != null) {
+            if (charger.operator.contains(charger.network)) {
+                charger.operator
+            } else if (charger.network.contains(charger.operator)) {
+                charger.network
+            } else {
+                "${charger.operator} · ${charger.network}"
+            }
+        } else if (charger.operator != null) {
+            charger.operator
+        } else if (charger.network != null) {
+            charger.network
+        } else {
+            carContext.getString(R.string.unknown_operator)
+        }
+
     private fun navigateToCharger(charger: ChargeLocation) {
         val coord = charger.coordinates
         val intent =
@@ -210,20 +356,51 @@ 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)
             if (response.status == Status.SUCCESS) {
-                charger = response.data!!
+                val charger = response.data!!
 
-                val photo = charger?.photos?.firstOrNull()
+                val photo = charger.photos?.firstOrNull()
                 photo?.let {
-                    val size = (carContext.resources.displayMetrics.density * 64).roundToInt()
-                    val url = photo.getUrl(size = size)
+                    val density = carContext.resources.displayMetrics.density
+                    val url = if (largeImageSupported) {
+                        photo.getUrl(
+                            width = (imageWidthLarge * density).roundToInt(),
+                            height = (imageHeightLarge * density).roundToInt()
+                        )
+                    } else {
+                        photo.getUrl(size = (imageSize * density).roundToInt())
+                    }
                     val request = ImageRequest.Builder(carContext).data(url).build()
-                    this@ChargerDetailScreen.photo =
+                    var img =
                         (carContext.imageLoader.execute(request).drawable as BitmapDrawable).bitmap
-                }
 
-                availability = charger?.let { getAvailability(it).data }
+                    // draw icon on top of image
+                    val icon = iconGen.getBitmap(
+                        tint = getMarkerTint(charger),
+                        fault = charger.faultReport != null,
+                        multi = charger.isMulti()
+                    )
+
+                    img = img.copy(Bitmap.Config.ARGB_8888, true)
+                    val iconSmall = icon.scale(
+                        (img.height * 0.4 / icon.height * icon.width).roundToInt(),
+                        (img.height * 0.4).roundToInt()
+                    )
+                    val canvas = Canvas(img)
+                    canvas.drawBitmap(
+                        iconSmall,
+                        0f,
+                        (img.height - iconSmall.height * 1.1).toFloat(),
+                        null
+                    )
+                    this@ChargerDetailScreen.photo = img
+                }
+                this@ChargerDetailScreen.charger = charger
+
+                availability = getAvailability(charger).data
 
                 invalidate()
             } else {

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

@@ -1,6 +1,5 @@
 package net.vonforst.evmap.auto
 
-import android.graphics.Bitmap
 import androidx.car.app.CarContext
 import androidx.car.app.Screen
 import androidx.car.app.model.*
@@ -13,7 +12,6 @@ import net.vonforst.evmap.model.FILTERS_FAVORITES
 import net.vonforst.evmap.storage.AppDatabase
 import net.vonforst.evmap.storage.FilterProfile
 import net.vonforst.evmap.storage.PreferenceDataSource
-import kotlin.math.roundToInt
 
 class FilterScreen(ctx: CarContext) : Screen(ctx) {
     private val prefs = PreferenceDataSource(ctx)
@@ -24,16 +22,6 @@ class FilterScreen(ctx: CarContext) : Screen(ctx) {
     private val maxRows = 6
     private val checkIcon =
         CarIcon.Builder(IconCompat.createWithResource(carContext, R.drawable.ic_check)).build()
-    private val emptyIcon: CarIcon
-
-    init {
-        val size = (ctx.resources.displayMetrics.density * 24).roundToInt()
-        emptyIcon = Bitmap.createBitmap(
-            size,
-            size,
-            Bitmap.Config.ARGB_8888
-        ).asCarIcon()
-    }
 
     init {
         filterProfiles.observe(this) {
@@ -64,7 +52,7 @@ class FilterScreen(ctx: CarContext) : Screen(ctx) {
                 if (FILTERS_DISABLED == filterStatus) {
                     setImage(checkIcon)
                 } else {
-                    setImage(emptyIcon)
+                    setImage(emptyCarIcon)
                 }
                 setOnClickListener {
                     prefs.filterStatus = FILTERS_DISABLED
@@ -79,7 +67,7 @@ class FilterScreen(ctx: CarContext) : Screen(ctx) {
                     if (it.id == filterStatus) {
                         setImage(checkIcon)
                     } else {
-                        setImage(emptyIcon)
+                        setImage(emptyCarIcon)
                     }
                     setOnClickListener {
                         prefs.filterStatus = it.id

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

@@ -13,12 +13,10 @@ 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.Lifecycle
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.OnLifecycleEvent
-import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.*
 import com.car2go.maps.model.LatLng
 import kotlinx.coroutines.*
+import net.vonforst.evmap.BuildConfig
 import net.vonforst.evmap.R
 import net.vonforst.evmap.api.availability.ChargeLocationStatus
 import net.vonforst.evmap.api.availability.getAvailability
@@ -35,7 +33,6 @@ import net.vonforst.evmap.ui.getMarkerTint
 import net.vonforst.evmap.utils.distanceBetween
 import net.vonforst.evmap.viewmodel.filtersWithValue
 import net.vonforst.evmap.viewmodel.getFilterValues
-import net.vonforst.evmap.viewmodel.getFilters
 import net.vonforst.evmap.viewmodel.getReferenceData
 import java.io.IOException
 import java.time.Duration
@@ -47,18 +44,17 @@ import kotlin.math.roundToInt
 /**
  * Main map screen showing either nearby chargers or favorites
  */
+@androidx.car.app.annotations.ExperimentalCarApi
 class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boolean = false) :
-    Screen(ctx), LocationAwareScreen {
+    Screen(ctx), LocationAwareScreen, OnContentRefreshListener,
+    ItemList.OnItemVisibilityChangedListener {
     private var updateCoroutine: Job? = null
-    private var numUpdates = 0
+    private var availabilityUpdateCoroutine: Job? = null
 
-    /* Updating map contents is disabled - if the user uses Chargeprice from the charger
-       detail screen, this already means 4 steps, after which the app would crash.
-       follow https://issuetracker.google.com/issues/176694222 for updates how to solve this. */
-    private val maxNumUpdates = 1
+    private var visibleStart: Int? = null
+    private var visibleEnd: Int? = null
 
     private var location: Location? = null
-    private var lastChargerUpdateLocation: Location? = null
     private var lastDistanceUpdateTime: Instant? = null
     private var chargers: List<ChargeLocation>? = null
     private var prefs = PreferenceDataSource(ctx)
@@ -67,10 +63,9 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
         createApi(prefs.dataSource, ctx)
     }
     private val searchRadius = 5 // kilometers
-    private val chargerUpdateThreshold = 2000 // meters
     private val distanceUpdateThreshold = Duration.ofSeconds(15)
     private val availabilityUpdateThreshold = Duration.ofMinutes(1)
-    private var availabilities: MutableMap<Long, Pair<ZonedDateTime, ChargeLocationStatus>> =
+    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)
@@ -82,11 +77,23 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
             ?: FILTERS_DISABLED
     }
     private val filterValues = db.filterValueDao().getFilterValues(filterStatus, prefs.dataSource)
-    private val filters = api.getFilters(referenceData, carContext.stringProvider())
+    private val filters =
+        Transformations.map(referenceData) { api.getFilters(it, carContext.stringProvider()) }
     private val filtersWithValue = filtersWithValue(filters, filterValues)
 
     private val hardwareMan = ctx.getCarService(CarContext.HARDWARE_SERVICE) as CarHardwareManager
     private var energyLevel: EnergyLevel? = null
+    private val permissions = if (BuildConfig.FLAVOR_automotive == "automotive") {
+        listOf(
+            "android.car.permission.CAR_ENERGY",
+            "android.car.permission.CAR_ENERGY_PORTS",
+            "android.car.permission.READ_CAR_DISPLAY_UNITS",
+        )
+    } else {
+        listOf(
+            "com.google.android.gms.permission.CAR_FUEL"
+        )
+    }
 
     init {
         filtersWithValue.observe(this) {
@@ -112,7 +119,7 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
             chargers?.take(maxRows)?.let { chargerList ->
                 val builder = ItemList.Builder()
                 // only show the city if not all chargers are in the same city
-                val showCity = chargerList.map { it.address.city }.distinct().size > 1
+                val showCity = chargerList.map { it.address?.city }.distinct().size > 1
                 chargerList.forEach { charger ->
                     builder.addItem(formatCharger(charger, showCity))
                 }
@@ -125,6 +132,7 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
                         }
                     )
                 )
+                builder.setOnItemsVisibilityChangedListener(this@MapScreen)
                 setItemList(builder.build())
             } ?: setLoading(true)
             setCurrentLocationEnabled(true)
@@ -151,7 +159,6 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
                         .setOnClickListener {
                             screenManager.pushForResult(FilterScreen(carContext)) {
                                 chargers = null
-                                numUpdates = 0
                                 filterStatus.value =
                                     prefs.filterStatus.takeUnless { it == FILTERS_CUSTOM || it == FILTERS_FAVORITES }
                                         ?: FILTERS_DISABLED
@@ -161,12 +168,12 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
                         .build())
                     .build())
             }
-            build()
+            setOnContentRefreshListener(this@MapScreen)
         }.build()
     }
 
     private fun formatCharger(charger: ChargeLocation, showCity: Boolean): Row {
-        val markerTint = if (charger.maxPower > 100) {
+        val markerTint = if ((charger.maxPower ?: 0.0) > 100) {
             R.color.charger_100kw_dark  // slightly darker color for better contrast
         } else {
             getMarkerTint(charger)
@@ -184,7 +191,7 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
         return Row.Builder().apply {
             // only show the city if not all chargers are in the same city (-> showCity == true)
             // and the city is not already contained in the charger name
-            if (showCity && charger.address.city != null && charger.address.city !in charger.name) {
+            if (showCity && charger.address?.city != null && charger.address.city !in charger.name) {
                 setTitle(
                     CarText.Builder("${charger.name} · ${charger.address.city}")
                     .addVariant(charger.name)
@@ -214,8 +221,11 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
             }
 
             // power
-            if (text.isNotEmpty()) text.append(" · ")
-            text.append("${charger.maxPower.roundToInt()} kW")
+            val power = charger.maxPower;
+            if (power != null) {
+                if (text.isNotEmpty()) text.append(" · ")
+                text.append("${power.roundToInt()} kW")
+            }
 
             // availability
             availabilities[charger.id]?.second?.let { av ->
@@ -239,7 +249,13 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
             )
 
             setOnClickListener {
-                screenManager.push(ChargerDetailScreen(carContext, charger))
+                screenManager.pushForResult(ChargerDetailScreen(carContext, charger)) {
+                    if (favorites) {
+                        // favorites list may have been updated
+                        chargers = null
+                        loadChargers()
+                    }
+                }
             }
         }.build()
     }
@@ -264,14 +280,6 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
             // update displayed distances
             invalidate()
         }
-
-        if (lastChargerUpdateLocation == null ||
-            location.distanceTo(lastChargerUpdateLocation) > chargerUpdateThreshold
-        ) {
-            lastChargerUpdateLocation = location
-            // update displayed chargers
-            loadChargers()
-        }
     }
 
     private fun loadChargers() {
@@ -279,23 +287,17 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
         val referenceData = referenceData.value ?: return
         val filters = filtersWithValue.value ?: return
 
-        numUpdates++
-        println(numUpdates)
-        if (numUpdates > maxNumUpdates) {
-            /*CarToast.makeText(carContext, R.string.auto_no_refresh_possible, CarToast.LENGTH_LONG)
-                .show()*/
-            return
-        }
         updateCoroutine = lifecycleScope.launch {
             try {
                 // load chargers
                 if (favorites) {
-                    chargers = db.chargeLocationsDao().getAllChargeLocationsAsync().sortedBy {
-                        distanceBetween(
-                            location.latitude, location.longitude,
-                            it.coordinates.lat, it.coordinates.lng
-                        )
-                    }
+                    chargers =
+                        db.favoritesDao().getAllFavoritesAsync().map { it.charger }.sortedBy {
+                            distanceBetween(
+                                location.latitude, location.longitude,
+                                it.coordinates.lat, it.coordinates.lng
+                            )
+                        }
                 } else {
                     val response = api.getChargepointsRadius(
                         referenceData,
@@ -321,28 +323,6 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
                     }
                 }
 
-                // remove outdated availabilities
-                availabilities = availabilities.filter {
-                    Duration.between(
-                        it.value.first,
-                        ZonedDateTime.now()
-                    ) > availabilityUpdateThreshold
-                }.toMutableMap()
-
-                // update availabilities
-                chargers?.take(maxRows)?.map {
-                    lifecycleScope.async {
-                        // update only if not yet stored
-                        if (!availabilities.containsKey(it.id)) {
-                            val date = ZonedDateTime.now()
-                            val availability = getAvailability(it).data
-                            if (availability != null) {
-                                availabilities[it.id] = date to availability
-                            }
-                        }
-                    }
-                }?.awaitAll()
-
                 updateCoroutine = null
                 lastDistanceUpdateTime = Instant.now()
                 invalidate()
@@ -362,11 +342,12 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
 
     @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
     private fun setupListeners() {
-        if (ContextCompat.checkSelfPermission(
-                carContext,
-                "com.google.android.gms.permission.CAR_FUEL"
-            ) != PackageManager.PERMISSION_GRANTED
-        )
+        if (!permissions.all {
+                ContextCompat.checkSelfPermission(
+                    carContext,
+                    it
+                ) == PackageManager.PERMISSION_GRANTED
+            })
             return
 
         println("Setting up energy level listener")
@@ -380,4 +361,45 @@ class MapScreen(ctx: CarContext, val session: EVMapSession, val favorites: Boole
         println("Removing energy level listener")
         hardwareMan.carInfo.removeEnergyLevelListener(::onEnergyLevelUpdated)
     }
+
+    override fun onContentRefreshRequested() {
+        loadChargers()
+    }
+
+    override fun onItemVisibilityChanged(startIndex: Int, endIndex: Int) {
+        // when the list is scrolled, load corresponding availabilities
+        if (startIndex == visibleStart && endIndex == visibleEnd) return
+        if (availabilityUpdateCoroutine != null) return
+
+        visibleEnd = endIndex
+        visibleStart = startIndex
+
+        // remove outdated availabilities
+        availabilities = availabilities.filter {
+            Duration.between(
+                it.value.first,
+                ZonedDateTime.now()
+            ) <= availabilityUpdateThreshold
+        }.toMutableMap()
+
+        // update availabilities
+        availabilityUpdateCoroutine = lifecycleScope.launch {
+            delay(300L)
+            val tasks = chargers?.subList(startIndex, endIndex)?.mapNotNull {
+                // update only if not yet stored
+                if (!availabilities.containsKey(it.id)) {
+                    lifecycleScope.async {
+                        val availability = getAvailability(it).data
+                        val date = ZonedDateTime.now()
+                        availabilities[it.id] = date to availability
+                    }
+                } else null
+            }
+            if (!tasks.isNullOrEmpty()) {
+                tasks.awaitAll()
+                invalidate()
+            }
+            availabilityUpdateCoroutine = null
+        }
+    }
 }

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

@@ -0,0 +1,94 @@
+package net.vonforst.evmap.auto
+
+import androidx.car.app.CarContext
+import androidx.car.app.Screen
+import androidx.car.app.constraints.ConstraintManager
+import androidx.car.app.model.*
+import androidx.lifecycle.lifecycleScope
+import kotlinx.coroutines.launch
+
+abstract class MultiSelectSearchScreen<T>(ctx: CarContext) : Screen(ctx),
+    SearchTemplate.SearchCallback {
+    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
+    protected abstract val isMultiSelect: Boolean
+
+    override fun onGetTemplate(): Template {
+        if (fullList == null) {
+            lifecycleScope.launch {
+                fullList = loadData()
+                filterList()
+                invalidate()
+            }
+        }
+
+        return SearchTemplate.Builder(this).apply {
+            setHeaderAction(Action.BACK)
+            fullList?.let {
+                setItemList(buildItemList())
+            } ?: run {
+                setLoading(true)
+            }
+        }.build()
+    }
+
+    private fun filterList() {
+        currentList = fullList?.let {
+            it.sortedBy { getLabel(it).lowercase() }
+                .sortedBy { !isSelected(it) }
+                .filter { getLabel(it).lowercase().contains(query.lowercase()) }
+                .take(maxRows)
+        } ?: emptyList()
+    }
+
+    private fun buildItemList(): ItemList {
+        return ItemList.Builder().apply {
+            currentList.forEach { item ->
+                addItem(
+                    Row.Builder()
+                        .setTitle(
+                            if (isSelected(item)) {
+                                "☑  " + getLabel(item)
+                            } else {
+                                "☐  " + getLabel(item)
+                            }
+                        )
+                        .setOnClickListener {
+                            toggleSelected(item)
+                            if (isMultiSelect) {
+                                invalidate()
+                            } else {
+                                setResult(item)
+                                screenManager.pop()
+                            }
+                        }
+                        .build()
+                )
+            }
+        }.build()
+    }
+
+    override fun onSearchTextChanged(searchText: String) {
+        query = searchText
+        filterList()
+        invalidate()
+    }
+
+    override fun onSearchSubmitted(searchText: String) {
+        query = searchText
+        filterList()
+        invalidate()
+    }
+
+    abstract fun toggleSelected(item: T)
+
+    abstract fun isSelected(it: T): Boolean
+
+    abstract fun getLabel(it: T): String
+
+    abstract suspend fun loadData(): List<T>
+}

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

@@ -0,0 +1,376 @@
+package net.vonforst.evmap.auto
+
+import androidx.car.app.CarContext
+import androidx.car.app.Screen
+import androidx.car.app.constraints.ConstraintManager
+import androidx.car.app.model.*
+import androidx.core.graphics.drawable.IconCompat
+import net.vonforst.evmap.R
+import net.vonforst.evmap.api.chargeprice.ChargepriceApi
+import net.vonforst.evmap.api.chargeprice.ChargepriceCar
+import net.vonforst.evmap.api.chargeprice.ChargepriceTariff
+import net.vonforst.evmap.storage.PreferenceDataSource
+import kotlin.math.max
+import kotlin.math.min
+
+class SettingsScreen(ctx: CarContext) : Screen(ctx) {
+    val prefs = PreferenceDataSource(carContext)
+    val dataSourceNames = carContext.resources.getStringArray(R.array.pref_data_source_names)
+    val dataSourceValues = carContext.resources.getStringArray(R.array.pref_data_source_values)
+
+    override fun onGetTemplate(): Template {
+        return ListTemplate.Builder().apply {
+            setTitle(carContext.getString(R.string.auto_settings))
+            setHeaderAction(Action.BACK)
+            setSingleList(ItemList.Builder().apply {
+                addItem(Row.Builder().apply {
+                    setTitle(carContext.getString(R.string.pref_data_source))
+                    val dataSourceId = prefs.dataSource
+                    val dataSourceDesc = dataSourceNames[dataSourceValues.indexOf(dataSourceId)]
+                    addText(dataSourceDesc)
+                    setImage(
+                        CarIcon.Builder(
+                            IconCompat.createWithResource(
+                                carContext,
+                                R.drawable.ic_settings_data_source
+                            )
+                        ).setTint(
+                            CarColor.DEFAULT
+                        ).build()
+                    )
+                    setBrowsable(true)
+                    setOnClickListener {
+                        screenManager.push(ChooseDataSourceScreen(carContext))
+                    }
+                }.build())
+                addItem(Row.Builder().apply {
+                    setTitle(carContext.getString(R.string.settings_chargeprice))
+                    setImage(
+                        CarIcon.Builder(
+                            IconCompat.createWithResource(
+                                carContext,
+                                R.drawable.ic_chargeprice
+                            )
+                        ).setTint(
+                            CarColor.DEFAULT
+                        ).build()
+                    )
+                    setBrowsable(true)
+                    setOnClickListener {
+                        screenManager.push(ChargepriceSettingsScreen(carContext))
+                    }
+                }.build())
+            }.build())
+        }.build()
+    }
+}
+
+class ChooseDataSourceScreen(ctx: CarContext) : Screen(ctx) {
+    val prefs = PreferenceDataSource(carContext)
+    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)
+    )
+
+    override fun onGetTemplate(): Template {
+        return ListTemplate.Builder().apply {
+            setTitle(carContext.getString(R.string.pref_data_source))
+            setHeaderAction(Action.BACK)
+            setSingleList(ItemList.Builder().apply {
+                for (i in dataSourceNames.indices) {
+                    addItem(Row.Builder().apply {
+                        setTitle(dataSourceNames[i])
+                        addText(dataSourceDescriptions[i])
+                    }.build())
+                }
+                setOnSelectedListener {
+                    prefs.dataSource = dataSourceValues[it]
+                    screenManager.pop()
+                }
+                setSelectedIndex(dataSourceValues.indexOf(prefs.dataSource))
+            }.build())
+        }.build()
+    }
+}
+
+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
+
+    override fun onGetTemplate(): Template {
+        return ListTemplate.Builder().apply {
+            setTitle(carContext.getString(R.string.settings_chargeprice))
+            setHeaderAction(Action.BACK)
+            setSingleList(ItemList.Builder().apply {
+                addItem(Row.Builder().apply {
+                    setTitle(carContext.getString(R.string.pref_my_vehicle))
+                    setBrowsable(true)
+                    setOnClickListener {
+                        screenManager.push(SelectVehiclesScreen(carContext))
+                    }
+                }.build())
+                addItem(Row.Builder().apply {
+                    setTitle(carContext.getString(R.string.pref_my_tariffs))
+                    setBrowsable(true)
+                    setOnClickListener {
+                        screenManager.push(SelectTariffsScreen(carContext))
+                    }
+                }.build())
+                addItem(Row.Builder().apply {
+                    setTitle(carContext.getString(R.string.settings_android_auto_chargeprice_range))
+                    setBrowsable(true)
+
+                    val range = prefs.chargepriceBatteryRangeAndroidAuto
+                    addText(
+                        carContext.getString(
+                            R.string.chargeprice_battery_range,
+                            range[0],
+                            range[1]
+                        )
+                    )
+
+                    setOnClickListener {
+                        screenManager.push(SelectChargingRangeScreen(carContext))
+                    }
+                }.build())
+                addItem(Row.Builder().apply {
+                    setTitle(carContext.getString(R.string.pref_chargeprice_currency))
+
+                    val names =
+                        carContext.resources.getStringArray(R.array.pref_chargeprice_currency_names)
+                    val values =
+                        carContext.resources.getStringArray(R.array.pref_chargeprice_currency_values)
+                    val index = values.indexOf(prefs.chargepriceCurrency)
+                    addText(if (index >= 0) names[index] else "")
+
+                    setBrowsable(true)
+                    setOnClickListener {
+                        screenManager.push(SelectCurrencyScreen(carContext))
+                    }
+                }.build())
+                addItem(Row.Builder().apply {
+                    setTitle(carContext.getString(R.string.pref_chargeprice_no_base_fee))
+                    setToggle(Toggle.Builder {
+                        prefs.chargepriceNoBaseFee = it
+                    }.setChecked(prefs.chargepriceNoBaseFee).build())
+                }.build())
+                addItem(Row.Builder().apply {
+                    setTitle(carContext.getString(R.string.pref_chargeprice_show_provider_customer_tariffs))
+                    addText(carContext.getString(R.string.pref_chargeprice_show_provider_customer_tariffs_summary))
+                    setToggle(Toggle.Builder {
+                        prefs.chargepriceShowProviderCustomerTariffs = it
+                    }.setChecked(prefs.chargepriceShowProviderCustomerTariffs).build())
+                }.build())
+                if (maxRows > 6) {
+                    addItem(Row.Builder().apply {
+                        setTitle(carContext.getString(R.string.pref_chargeprice_allow_unbalanced_load))
+                        addText(carContext.getString(R.string.pref_chargeprice_allow_unbalanced_load_summary))
+                        setToggle(Toggle.Builder {
+                            prefs.chargepriceAllowUnbalancedLoad = it
+                        }.setChecked(prefs.chargepriceAllowUnbalancedLoad).build())
+                    }.build())
+                }
+            }.build())
+        }.build()
+    }
+}
+
+class SelectVehiclesScreen(ctx: CarContext) : MultiSelectSearchScreen<ChargepriceCar>(ctx) {
+    private val prefs = PreferenceDataSource(carContext)
+    private var api = ChargepriceApi.create(carContext.getString(R.string.chargeprice_key))
+    override val isMultiSelect = true
+
+    override fun isSelected(it: ChargepriceCar): Boolean {
+        return prefs.chargepriceMyVehicles.contains(it.id)
+    }
+
+    override fun toggleSelected(item: ChargepriceCar) {
+        if (isSelected(item)) {
+            prefs.chargepriceMyVehicles = prefs.chargepriceMyVehicles.minus(item.id)
+        } else {
+            prefs.chargepriceMyVehicles = prefs.chargepriceMyVehicles.plus(item.id)
+        }
+    }
+
+    override fun getLabel(it: ChargepriceCar) = "${it.brand} ${it.name}"
+
+    override suspend fun loadData(): List<ChargepriceCar> {
+        return api.getVehicles()
+    }
+}
+
+class SelectTariffsScreen(ctx: CarContext) : MultiSelectSearchScreen<ChargepriceTariff>(ctx) {
+    private val prefs = PreferenceDataSource(carContext)
+    private var api = ChargepriceApi.create(carContext.getString(R.string.chargeprice_key))
+    override val isMultiSelect = true
+
+    override fun isSelected(it: ChargepriceTariff): Boolean {
+        return prefs.chargepriceMyTariffsAll or (prefs.chargepriceMyTariffs?.contains(it.id)
+            ?: false)
+    }
+
+    override fun toggleSelected(item: ChargepriceTariff) {
+        val tariffs = prefs.chargepriceMyTariffs ?: if (prefs.chargepriceMyTariffsAll) {
+            fullList!!.map { it.id }.toSet()
+        } else {
+            emptySet()
+        }
+        if (isSelected(item)) {
+            prefs.chargepriceMyTariffs = tariffs.minus(item.id)
+        } else {
+            prefs.chargepriceMyTariffs = tariffs.plus(item.id)
+        }
+    }
+
+    override fun getLabel(it: ChargepriceTariff): String {
+        return if (!it.name.lowercase().startsWith(it.provider.lowercase())) {
+            "${it.provider} ${it.name}"
+        } else {
+            it.name
+        }
+    }
+
+    override suspend fun loadData(): List<ChargepriceTariff> {
+        return api.getTariffs()
+    }
+}
+
+class SelectCurrencyScreen(ctx: CarContext) : MultiSelectSearchScreen<Pair<String, String>>(ctx) {
+    private val prefs = PreferenceDataSource(carContext)
+    override val isMultiSelect = false
+
+    override fun isSelected(it: Pair<String, String>): Boolean =
+        prefs.chargepriceCurrency == it.second
+
+    override fun toggleSelected(item: Pair<String, String>) {
+        prefs.chargepriceCurrency = item.second
+    }
+
+    override fun getLabel(it: Pair<String, String>): String = it.first
+
+    override suspend fun loadData(): List<Pair<String, String>> {
+        val names = carContext.resources.getStringArray(R.array.pref_chargeprice_currency_names)
+        val values = carContext.resources.getStringArray(R.array.pref_chargeprice_currency_values)
+        return names.zip(values)
+    }
+}
+
+class SelectChargingRangeScreen(ctx: CarContext) : Screen(ctx) {
+    val prefs = PreferenceDataSource(carContext)
+    private val maxItems = if (ctx.carAppApiLevel >= 2) {
+        ctx.constraintManager.getContentLimit(ConstraintManager.CONTENT_LIMIT_TYPE_GRID)
+    } else 6
+
+    override fun onGetTemplate(): Template {
+        return GridTemplate.Builder().apply {
+            setTitle(carContext.getString(R.string.settings_android_auto_chargeprice_range))
+            setHeaderAction(Action.BACK)
+            setSingleList(
+                ItemList.Builder().apply {
+                    addItem(GridItem.Builder().apply {
+                        setTitle(carContext.getString(R.string.chargeprice_battery_range_from))
+                        setText(
+                            carContext.getString(
+                                R.string.percent_format,
+                                prefs.chargepriceBatteryRangeAndroidAuto[0]
+                            )
+                        )
+                        setImage(
+                            CarIcon.Builder(
+                                IconCompat.createWithResource(
+                                    carContext,
+                                    R.drawable.ic_add
+                                )
+                            ).build()
+                        )
+                        setOnClickListener {
+                            prefs.chargepriceBatteryRangeAndroidAuto =
+                                prefs.chargepriceBatteryRangeAndroidAuto.toMutableList().apply {
+                                    this[0] = min(this[1] - 5, this[0] + 5)
+                                }
+                            invalidate()
+                        }
+                    }.build())
+                    addItem(GridItem.Builder().apply {
+                        setTitle(carContext.getString(R.string.chargeprice_battery_range_to))
+                        setText(
+                            carContext.getString(
+                                R.string.percent_format,
+                                prefs.chargepriceBatteryRangeAndroidAuto[1]
+                            )
+                        )
+                        setImage(
+                            CarIcon.Builder(
+                                IconCompat.createWithResource(
+                                    carContext,
+                                    R.drawable.ic_add
+                                )
+                            ).build()
+                        )
+                        setOnClickListener {
+                            prefs.chargepriceBatteryRangeAndroidAuto =
+                                prefs.chargepriceBatteryRangeAndroidAuto.toMutableList().apply {
+                                    this[1] = min(100f, this[1] + 5)
+                                }
+                            invalidate()
+                        }
+                    }.build())
+
+                    val nSpacers = when {
+                        maxItems % 3 == 0 -> 1
+                        maxItems % 4 == 0 -> 2
+                        else -> 0
+                    }
+
+                    for (i in 0..nSpacers) {
+                        addItem(GridItem.Builder().apply {
+                            setTitle(" ")
+                            setImage(emptyCarIcon)
+                        }.build())
+                    }
+
+                    addItem(GridItem.Builder().apply {
+                        setTitle(" ")
+                        setImage(
+                            CarIcon.Builder(
+                                IconCompat.createWithResource(
+                                    carContext,
+                                    R.drawable.ic_remove
+                                )
+                            ).build()
+                        )
+                        setOnClickListener {
+                            prefs.chargepriceBatteryRangeAndroidAuto =
+                                prefs.chargepriceBatteryRangeAndroidAuto.toMutableList().apply {
+                                    this[0] = max(0f, this[0] - 5)
+                                }
+                            invalidate()
+                        }
+                    }.build())
+                    addItem(GridItem.Builder().apply {
+                        setTitle(" ")
+                        setImage(
+                            CarIcon.Builder(
+                                IconCompat.createWithResource(
+                                    carContext,
+                                    R.drawable.ic_remove
+                                )
+                            ).build()
+                        )
+                        setOnClickListener {
+                            prefs.chargepriceBatteryRangeAndroidAuto =
+                                prefs.chargepriceBatteryRangeAndroidAuto.toMutableList().apply {
+                                    this[1] = max(this[0] + 5, this[1] - 5)
+                                }
+                            invalidate()
+                        }
+                    }.build())
+                }.build()
+            )
+        }.build()
+    }
+}

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

@@ -35,6 +35,12 @@ val CarContext.constraintManager
 
 fun Bitmap.asCarIcon(): CarIcon = CarIcon.Builder(IconCompat.createWithBitmap(this)).build()
 
+val emptyCarIcon = Bitmap.createBitmap(
+    1,
+    1,
+    Bitmap.Config.ARGB_8888
+).asCarIcon()
+
 private const val kmPerMile = 1.609344
 private const val ftPerMile = 5280
 private const val ydPerMile = 1760

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

@@ -6,16 +6,16 @@ import android.os.Looper
 import androidx.car.app.CarContext
 import androidx.car.app.Screen
 import androidx.car.app.hardware.CarHardwareManager
-import androidx.car.app.hardware.info.EnergyLevel
-import androidx.car.app.hardware.info.Model
-import androidx.car.app.hardware.info.Speed
+import androidx.car.app.hardware.info.*
 import androidx.car.app.model.*
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.drawable.IconCompat
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleObserver
 import androidx.lifecycle.OnLifecycleEvent
+import net.vonforst.evmap.BuildConfig
 import net.vonforst.evmap.R
+import net.vonforst.evmap.ui.CompassNeedle
 import net.vonforst.evmap.ui.Gauge
 import kotlin.math.min
 import kotlin.math.roundToInt
@@ -25,13 +25,26 @@ class VehicleDataScreen(ctx: CarContext) : Screen(ctx), LifecycleObserver {
     private var model: Model? = null
     private var energyLevel: EnergyLevel? = null
     private var speed: Speed? = null
+    private var heading: Compass? = null
     private var gauge = Gauge((ctx.resources.displayMetrics.density * 128).roundToInt(), ctx)
+    private var compass =
+        CompassNeedle((ctx.resources.displayMetrics.density * 128).roundToInt(), ctx)
     private val maxSpeed = 160f / 3.6f // m/s, speed gauge will show max if speed is higher
 
-    private val permissions = listOf(
-        "com.google.android.gms.permission.CAR_FUEL",
-        "com.google.android.gms.permission.CAR_SPEED"
-    )
+    private val permissions = if (BuildConfig.FLAVOR_automotive == "automotive") {
+        listOf(
+            "android.car.permission.CAR_INFO",
+            "android.car.permission.CAR_ENERGY",
+            "android.car.permission.CAR_ENERGY_PORTS",
+            "android.car.permission.READ_CAR_DISPLAY_UNITS",
+            "android.car.permission.CAR_SPEED"
+        )
+    } else {
+        listOf(
+            "com.google.android.gms.permission.CAR_FUEL",
+            "com.google.android.gms.permission.CAR_SPEED"
+        )
+    }
 
     init {
         lifecycle.addObserver(this)
@@ -55,11 +68,17 @@ class VehicleDataScreen(ctx: CarContext) : Screen(ctx), LifecycleObserver {
         val energyLevel = energyLevel
         val model = model
         val speed = speed
+        val heading = heading
 
         return GridTemplate.Builder().apply {
             setTitle(
                 if (model != null && model.manufacturer.value != null && model.name.value != null) {
-                    "${model.manufacturer.value} ${model.name.value}"
+                    "${model.manufacturer.value} ${
+                        getVehicleModel(
+                            model.manufacturer.value,
+                            model.name.value
+                        )
+                    }"
                 } else {
                     carContext.getString(R.string.auto_vehicle_data)
                 }
@@ -166,6 +185,25 @@ class VehicleDataScreen(ctx: CarContext) : Screen(ctx), LifecycleObserver {
                                 }
                             }
                         }.build())
+                        addItem(GridItem.Builder().apply {
+                            setTitle(carContext.getString(R.string.auto_heading))
+                            if (heading == null) {
+                                setLoading(true)
+                            } else {
+                                val heading = heading.orientations.value
+                                if (heading != null) {
+                                    setText(
+                                        "${heading[0].roundToInt()}°"
+                                    )
+
+                                } else {
+                                    setText(carContext.getString(R.string.auto_no_data))
+                                }
+                                setImage(
+                                    compass.draw(heading?.get(0)).asCarIcon()
+                                )
+                            }
+                        }.build())
                     }.build()
                 )
             }
@@ -182,6 +220,11 @@ class VehicleDataScreen(ctx: CarContext) : Screen(ctx), LifecycleObserver {
         invalidate()
     }
 
+    private fun onCompassUpdated(compass: Compass) {
+        this.heading = compass
+        invalidate()
+    }
+
     @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
     private fun setupListeners() {
         if (!permissionsGranted()) return
@@ -191,6 +234,11 @@ class VehicleDataScreen(ctx: CarContext) : Screen(ctx), LifecycleObserver {
         val exec = ContextCompat.getMainExecutor(carContext)
         hardwareMan.carInfo.addEnergyLevelListener(exec, ::onEnergyLevelUpdated)
         hardwareMan.carInfo.addSpeedListener(exec, ::onSpeedUpdated)
+        hardwareMan.carSensors.addCompassListener(
+            CarSensors.UPDATE_RATE_NORMAL,
+            exec,
+            ::onCompassUpdated
+        )
 
         hardwareMan.carInfo.fetchModel(exec) {
             this.model = it
@@ -203,6 +251,7 @@ class VehicleDataScreen(ctx: CarContext) : Screen(ctx), LifecycleObserver {
         println("Removing energy level listener")
         hardwareMan.carInfo.removeEnergyLevelListener(::onEnergyLevelUpdated)
         hardwareMan.carInfo.removeSpeedListener(::onSpeedUpdated)
+        hardwareMan.carSensors.removeCompassListener(::onCompassUpdated)
     }
 
     private fun permissionsGranted(): Boolean =

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

@@ -16,6 +16,7 @@ import net.vonforst.evmap.R
 class WelcomeScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx), LocationAwareScreen {
     private var location: Location? = null
 
+    @androidx.car.app.annotations.ExperimentalCarApi
     override fun onGetTemplate(): Template {
         if (!session.locationPermissionGranted()) {
             Handler(Looper.getMainLooper()).post {
@@ -101,6 +102,24 @@ class WelcomeScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx), L
                                 .build()
                         )
                     }
+                    addItem(
+                        Row.Builder()
+                            .setTitle(carContext.getString(R.string.auto_settings))
+                            .setImage(
+                                CarIcon.Builder(
+                                    IconCompat.createWithResource(
+                                        carContext,
+                                        R.drawable.ic_settings
+                                    )
+                                ).setTint(CarColor.DEFAULT).build()
+                            )
+                            .setBrowsable(true)
+                            .setOnClickListener(ParkedOnlyOnClickListener.create {
+                                session.mapScreen = null
+                                screenManager.push(SettingsScreen(carContext))
+                            })
+                            .build()
+                    )
                 }.build())
                 setCurrentLocationEnabled(true)
             }

app/src/google/java/net/vonforst/evmap/fragment/DonateFragment.kt

@@ -12,7 +12,9 @@ import androidx.lifecycle.Observer
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.ui.setupWithNavController
 import androidx.recyclerview.widget.LinearLayoutManager
+import com.google.android.material.color.MaterialColors
 import com.google.android.material.snackbar.Snackbar
+import com.google.android.material.transition.MaterialSharedAxis
 import net.vonforst.evmap.MapsActivity
 import net.vonforst.evmap.R
 import net.vonforst.evmap.adapter.DonationAdapter
@@ -23,6 +25,12 @@ class DonateFragment : Fragment() {
     private lateinit var binding: FragmentDonateBinding
     private val vm: DonateViewModel by viewModels()
 
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enterTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
+        returnTransition = MaterialSharedAxis(MaterialSharedAxis.X, false)
+    }
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -31,12 +39,18 @@ class DonateFragment : Fragment() {
         binding = DataBindingUtil.inflate(inflater, R.layout.fragment_donate, container, false)
         binding.lifecycleOwner = this
         binding.vm = vm
+
         return binding.root
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         (requireActivity() as AppCompatActivity).setSupportActionBar(binding.toolbar)
 
+        binding.toolbar.setupWithNavController(
+            findNavController(),
+            (requireActivity() as MapsActivity).appBarConfiguration
+        )
+
         binding.productsList.apply {
             adapter = DonationAdapter().apply {
                 onClickListener = {
@@ -56,13 +70,8 @@ class DonateFragment : Fragment() {
         vm.purchaseFailed.observe(viewLifecycleOwner, Observer {
             Snackbar.make(view, R.string.donation_failed, Snackbar.LENGTH_LONG).show()
         })
-    }
 
-    override fun onResume() {
-        super.onResume()
-        binding.toolbar.setupWithNavController(
-            findNavController(),
-            (requireActivity() as MapsActivity).appBarConfiguration
-        )
+        // Workaround for AndroidX bug: https://github.com/material-components/material-components-android/issues/1984
+        view.setBackgroundColor(MaterialColors.getColor(view, android.R.attr.windowBackground))
     }
 }

app/src/google/java/net/vonforst/evmap/fragment/preference/AndroidAutoSettingsFragment.kt

@@ -0,0 +1,47 @@
+package net.vonforst.evmap.fragment.preference
+
+import android.content.SharedPreferences
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.viewModels
+import androidx.preference.MultiSelectListPreference
+import net.vonforst.evmap.R
+import net.vonforst.evmap.ui.RangeSliderPreference
+import net.vonforst.evmap.viewmodel.SettingsViewModel
+import net.vonforst.evmap.viewmodel.viewModelFactory
+import java.text.NumberFormat
+
+class AndroidAutoSettingsFragment : BaseSettingsFragment() {
+    override val isTopLevel = false
+
+    private lateinit var rangePreference: RangeSliderPreference
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        rangePreference = findPreference("chargeprice_battery_range_android_auto")!!
+        rangePreference.labelFormatter = { value: Float ->
+            val fmt = NumberFormat.getNumberInstance()
+            fmt.maximumFractionDigits = 0
+            fmt.format(value.toDouble()) + "%"
+        }
+        updateRangePreferenceSummary()
+    }
+
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        setPreferencesFromResource(R.xml.settings_android_auto, rootKey)
+    }
+
+    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
+        when (key) {
+            "chargeprice_battery_range_android_auto_min", "chargeprice_battery_range_android_auto_max" -> {
+                updateRangePreferenceSummary()
+            }
+        }
+    }
+
+    private fun updateRangePreferenceSummary() {
+        val range = prefs.chargepriceBatteryRangeAndroidAuto
+        rangePreference.summary = getString(R.string.chargeprice_battery_range, range[0], range[1])
+    }
+}

app/src/google/java/net/vonforst/evmap/ui/CompassNeedle.kt

@@ -0,0 +1,33 @@
+package net.vonforst.evmap.ui
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.Canvas
+import android.graphics.Color
+import android.graphics.PorterDuff
+import androidx.core.content.ContextCompat
+import net.vonforst.evmap.R
+
+class CompassNeedle(val size: Int, ctx: Context) {
+    val image = ContextCompat.getDrawable(ctx, R.drawable.ic_navigation)!!
+
+    init {
+        image.setTint(Color.WHITE)
+        image.setBounds(0, 0, size, size)
+    }
+
+    fun draw(angle: Float?): Bitmap {
+        val bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888)
+        val canvas = Canvas(bitmap)
+
+        canvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR)
+
+        if (angle != null) {
+            canvas.save()
+            canvas.rotate(-angle, size / 2f, size / 2f)
+            image.draw(canvas)
+            canvas.restore()
+        }
+        return bitmap
+    }
+}

app/src/google/res/drawable/ic_android_auto.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="m22.78,17.91c0.16,0.25 0.22,0.51 0.22,0.79 0,0.38 -0.13,0.69 -0.43,0.94s-0.63,0.36 -1.01,0.36h-2.48l-6.66,-12h-0.84l-6.66,12h-2.53c-0.47,0 -0.86,-0.2 -1.17,-0.62s-0.33,-0.88 -0.05,-1.38l9.61,-16.31c0.31,-0.47 0.72,-0.69 1.22,-0.69 0.53,0 0.92,0.22 1.17,0.69zM4.78,22.31 L12,9.38 19.22,22.31 18.5,23 12,20.34 5.44,23z" />
+</vector>

app/src/google/res/layout-land/fragment_onboarding_android_auto.xml

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/welcomeTitle"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="72dp"
+        android:layout_marginEnd="32dp"
+        android:layout_marginBottom="16dp"
+        android:text="@string/welcome_android_auto"
+        android:textAppearance="@style/TextAppearance.Material3.HeadlineSmall"
+        app:layout_constraintBottom_toTopOf="@+id/welcomeText"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/img_android_auto" />
+
+    <TextView
+        android:id="@+id/welcomeText"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="32dp"
+        android:layout_marginBottom="56dp"
+        android:breakStrategy="balanced"
+        android:text="@string/welcome_android_auto_detail"
+        android:textAppearance="@style/TextAppearance.Material3.BodyMedium"
+        android:textColor="?android:textColorSecondary"
+        app:layout_constraintBottom_toTopOf="@+id/btnGetStarted"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="@+id/welcomeTitle" />
+
+    <Button
+        android:id="@+id/btnGetStarted"
+        style="@style/Widget.Material3.Button.TonalButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="24dp"
+        android:text="@string/sounds_cool"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="@+id/welcomeText" />
+
+    <ImageView
+        android:id="@+id/img_android_auto"
+        android:layout_width="72dp"
+        android:layout_height="72dp"
+        android:layout_marginStart="72dp"
+        android:layout_marginBottom="28dp"
+        android:background="@drawable/circle_bg_logo"
+        android:backgroundTint="@color/android_auto_accent"
+        android:scaleType="center"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.65"
+        app:srcCompat="@drawable/android_auto" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/google/res/layout-sw720dp/fragment_onboarding_android_auto.xml

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/welcomeTitle"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="32dp"
+        android:layout_marginEnd="32dp"
+        android:layout_marginBottom="16dp"
+        android:gravity="center"
+        android:text="@string/welcome_android_auto"
+        android:textAppearance="@style/TextAppearance.Material3.HeadlineSmall"
+        app:layout_constraintBottom_toTopOf="@+id/welcomeText"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <TextView
+        android:id="@+id/welcomeText"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="32dp"
+        android:layout_marginEnd="32dp"
+        android:layout_marginBottom="56dp"
+        android:breakStrategy="balanced"
+        android:gravity="center"
+        android:text="@string/welcome_android_auto_detail"
+        android:textAppearance="@style/TextAppearance.Material3.BodyMedium"
+        android:textColor="?android:textColorSecondary"
+        app:layout_constraintBottom_toTopOf="@+id/btnGetStarted"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <Button
+        android:id="@+id/btnGetStarted"
+        style="@style/Widget.Material3.Button.TonalButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="24dp"
+        android:text="@string/sounds_cool"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <ImageView
+        android:id="@+id/img_android_auto"
+        android:layout_width="72dp"
+        android:layout_height="72dp"
+        android:layout_marginTop="28dp"
+        android:layout_marginBottom="28dp"
+        android:background="@drawable/circle_bg_logo"
+        android:backgroundTint="@color/android_auto_accent"
+        android:scaleType="center"
+        app:layout_constraintBottom_toTopOf="@+id/welcomeTitle"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.7"
+        app:srcCompat="@drawable/android_auto" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -13,7 +13,7 @@
         android:layout_marginBottom="16dp"
         android:gravity="center"
         android:text="@string/welcome_android_auto"
-        android:textAppearance="@style/TextAppearance.MaterialComponents.Headline6"
+        android:textAppearance="@style/TextAppearance.Material3.HeadlineSmall"
         app:layout_constraintBottom_toTopOf="@+id/welcomeText"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHorizontal_bias="0.5"
@@ -29,7 +29,7 @@
         android:breakStrategy="balanced"
         android:gravity="center"
         android:text="@string/welcome_android_auto_detail"
-        android:textAppearance="@style/TextAppearance.MaterialComponents.Body2"
+        android:textAppearance="@style/TextAppearance.Material3.BodyMedium"
         android:textColor="?android:textColorSecondary"
         app:layout_constraintBottom_toTopOf="@+id/btnGetStarted"
         app:layout_constraintEnd_toEndOf="parent"
@@ -38,7 +38,7 @@
 
     <Button
         android:id="@+id/btnGetStarted"
-        style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+        style="@style/Widget.Material3.Button.TonalButton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginBottom="24dp"

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

@@ -29,7 +29,7 @@
                 android:layout_height="wrap_content"
                 android:layout_marginEnd="8dp"
                 android:text="@{item.sku.title}"
-                android:textAppearance="@style/TextAppearance.MaterialComponents.Body1"
+                android:textAppearance="@style/TextAppearance.Material3.BodyLarge"
                 app:layout_constraintBottom_toBottomOf="parent"
                 app:layout_constraintEnd_toStartOf="@+id/textView21"
                 app:layout_constraintHorizontal_bias="0.0"
@@ -42,7 +42,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:text="@{item.sku.price}"
-                android:textAppearance="@style/TextAppearance.MaterialComponents.Body1"
+                android:textAppearance="@style/TextAppearance.Material3.BodyLarge"
                 android:textColor="?android:textColorSecondary"
                 app:layout_constraintBottom_toBottomOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"

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

@@ -27,10 +27,14 @@
     <string name="auto_no_data">Nicht verfügbar</string>
     <string name="auto_range">Reichweite</string>
     <string name="auto_speed">Geschwindigkeit</string>
+    <string name="auto_heading">Fahrtrichtung</string>
+    <string name="auto_settings">Einstellungen</string>
     <string name="welcome_android_auto">Android Auto-Unterstützung</string>
     <string name="welcome_android_auto_detail">Auf unterstützen Autos kannst du EVMap auch mit Android Auto nutzen. Öffne dazu einfach die EVMap-App aus dem Menü von Android Auto.</string>
     <string name="sounds_cool">klingt cool</string>
     <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 (%s %s).</string>
-    <string name="auto_chargeprice_vehicle_ambiguous">Mehrere der in der App ausgewählten Fahrzeuge passen zu diesem Fahrzeug (%s %s).</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="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>
 </resources>

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

@@ -3,8 +3,8 @@
 
     <style name="CarAppTheme">
         <item name="carColorPrimary">@color/colorPrimary</item>
-        <item name="carColorPrimaryDark">@color/colorPrimaryVariant</item>
+        <item name="carColorPrimaryDark">@color/colorPrimaryDark</item>
         <item name="carColorSecondary">@color/colorSecondary</item>
-        <item name="carColorSecondaryDark">@color/colorSecondaryVariant</item>
+        <item name="carColorSecondaryDark">@color/colorSecondaryDark</item>
     </style>
 </resources>

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

@@ -37,10 +37,14 @@
     <string name="auto_no_data">Unavailable</string>
     <string name="auto_range">Range</string>
     <string name="auto_speed">Speed</string>
+    <string name="auto_heading">Heading</string>
+    <string name="auto_settings">Settings</string>
     <string name="welcome_android_auto">Android Auto support</string>
     <string name="welcome_android_auto_detail">You can also use EVMap from within Android Auto on supported cars. Simply select the EVMap app in the Android Auto menu.</string>
     <string name="sounds_cool">sounds cool</string>
     <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 (%s %s).</string>
-    <string name="auto_chargeprice_vehicle_ambiguous">Mehrere der in der App ausgewählten Fahrzeuge passen zu diesem Fahrzeug (%s %s).</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">Mehrere der in der App ausgewählten Fahrzeuge passen zu diesem Fahrzeug (%1$s %2$s).</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>
 </resources>

app/src/google/res/xml/settings_android_auto.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <net.vonforst.evmap.ui.RangeSliderPreference
+        android:key="chargeprice_battery_range_android_auto"
+        android:title="@string/settings_android_auto_chargeprice_range"
+        android:valueFrom="0.0"
+        android:valueTo="100.0"
+        app:updatesContinuously="true"
+        android:defaultValue="20.0,80.0"
+        android:layout="@layout/preference_widget_rangeslider"
+        tools:summary="@string/chargeprice_battery_range" />
+</PreferenceScreen>

app/src/google/res/xml/settings_variantspecific.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+    <Preference
+        android:fragment="net.vonforst.evmap.fragment.preference.AndroidAutoSettingsFragment"
+        android:title="@string/settings_android_auto"
+        android:icon="@drawable/ic_android_auto" />
+</PreferenceScreen>

app/src/googleAutomotive/AndroidManifest.xml

@@ -0,0 +1,65 @@
+<?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">
+
+    <uses-permission android:name="android.car.permission.CAR_INFO" />
+    <uses-permission android:name="android.car.permission.CAR_ENERGY" />
+    <uses-permission android:name="android.car.permission.CAR_ENERGY_PORTS" />
+    <uses-permission android:name="android.car.permission.READ_CAR_DISPLAY_UNITS" />
+    <uses-permission android:name="android.car.permission.CAR_SPEED" />
+
+    <uses-feature
+        android:name="android.hardware.type.automotive"
+        android:required="true" />
+
+    <uses-feature
+        android:name="android.software.car.templates_host"
+        android:required="true" />
+
+    <uses-feature
+        android:name="android.hardware.wifi"
+        tools:replace="required"
+        android:required="false" />
+    <uses-feature
+        android:name="android.hardware.screen.portrait"
+        android:required="false" />
+    <uses-feature
+        android:name="android.hardware.screen.landscape"
+        android:required="false" />
+    <uses-feature
+        android:name="android.hardware.camera"
+        android:required="false" />
+
+    <application>
+        <meta-data
+            android:name="com.android.automotive"
+            android:resource="@xml/automotive_app_desc" />
+
+        <meta-data
+            android:name="com.google.android.gms.car.application"
+            tools:node="remove" />
+
+        <activity
+            android:name=".MapsActivity"
+            tools:node="remove" />
+
+        <activity
+            android:exported="true"
+            android:theme="@android:style/Theme.DeviceDefault.NoActionBar"
+            android:name="androidx.car.app.activity.CarAppActivity"
+            android:launchMode="singleTask"
+            android:label="@string/app_name">
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+
+            <meta-data
+                android:name="distractionOptimized"
+                android:value="true" />
+
+        </activity>
+    </application>
+</manifest>

app/src/googleAutomotive/res/values-de/values.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="grant_on_phone">Zulassen</string>
+    <string name="auto_location_permission_needed">Um EVMap auf deinem Fahrzeug zu nutzen, braucht die App Zugriff auf deinen Standort.</string>
+</resources>

app/src/googleAutomotive/res/values/values.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="auto_location_permission_needed">To run EVMap on your car, you need to grant access to your location.</string>
+    <string name="grant_on_phone">Allow</string>
+</resources>

app/src/main/AndroidManifest.xml

@@ -256,6 +256,10 @@
                 <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.BROWSABLE" />
             </intent-filter>
+
+            <meta-data
+                android:name="android.app.shortcuts"
+                android:resource="@xml/shortcuts" />
         </activity>
 
         <!-- Override services of the com.mapzen.android.lost library with exported:false

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

@@ -1,5 +1,6 @@
 package net.vonforst.evmap
 
+import android.app.PendingIntent
 import android.content.ActivityNotFoundException
 import android.content.Context
 import android.content.Intent
@@ -18,7 +19,6 @@ import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
 import androidx.drawerlayout.widget.DrawerLayout
 import androidx.navigation.NavController
-import androidx.navigation.findNavController
 import androidx.navigation.fragment.FragmentNavigator
 import androidx.navigation.ui.AppBarConfiguration
 import androidx.navigation.ui.setupWithNavController
@@ -27,8 +27,10 @@ import androidx.preference.PreferenceFragmentCompat
 import com.car2go.maps.model.LatLng
 import com.google.android.material.navigation.NavigationView
 import com.google.android.material.snackbar.Snackbar
+import com.google.android.material.transition.MaterialSharedAxis
 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
@@ -38,6 +40,7 @@ const val REQUEST_LOCATION_PERMISSION = 1
 const val EXTRA_CHARGER_ID = "chargerId"
 const val EXTRA_LAT = "lat"
 const val EXTRA_LON = "lon"
+const val EXTRA_FAVORITES = "favorites"
 
 class MapsActivity : AppCompatActivity(),
     PreferenceFragmentCompat.OnPreferenceStartFragmentCallback {
@@ -65,8 +68,6 @@ class MapsActivity : AppCompatActivity(),
 
         setContentView(R.layout.activity_maps)
 
-        navController = findNavController(R.id.nav_host_fragment)
-        val navGraph = navController.navInflater.inflate(R.navigation.nav_graph)
         appBarConfiguration = AppBarConfiguration(
             setOf(
                 R.id.map,
@@ -76,6 +77,10 @@ class MapsActivity : AppCompatActivity(),
             ),
             findViewById<DrawerLayout>(R.id.drawer_layout)
         )
+        val navHostFragment =
+            supportFragmentManager.findFragmentById(R.id.nav_host_fragment) as NavHostFragment
+        navController = navHostFragment.navController
+        val navGraph = navController.navInflater.inflate(R.navigation.nav_graph)
         val navView = findViewById<NavigationView>(R.id.nav_view)
         navView.setupWithNavController(navController)
 
@@ -93,7 +98,7 @@ class MapsActivity : AppCompatActivity(),
         if (!prefs.welcomeDialogShown || !prefs.dataSourceSet) {
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
                 // wait for splash screen animation to finish on first start
-                splashScreen.setKeepVisibleCondition(object : SplashScreen.KeepOnScreenCondition {
+                splashScreen.setKeepOnScreenCondition(object : SplashScreen.KeepOnScreenCondition {
                     var startTime: Long? = null
 
                     override fun shouldKeepOnScreen(): Boolean {
@@ -112,55 +117,57 @@ class MapsActivity : AppCompatActivity(),
             return
         } else {
             navGraph.setStartDestination(R.id.map)
-            navController.graph = navGraph
-        }
+            navController.setGraph(navGraph, MapFragmentArgs(appStart = true).toBundle())
+            var deepLink: PendingIntent? = null
 
+            if (intent?.scheme == "geo") {
+                val query = intent.data?.query?.split("=")?.get(1)
+                val coords = getLocationFromIntent(intent)
 
-        if (intent?.scheme == "geo") {
-            val query = intent.data?.query?.split("=")?.get(1)
-            val coords = getLocationFromIntent(intent)
-
-            if (coords != null) {
-                val lat = coords[0]
-                val lon = coords[1]
-                val deepLink = navController.createDeepLink()
-                    .setGraph(R.navigation.nav_graph)
+                if (coords != null) {
+                    val lat = coords[0]
+                    val lon = coords[1]
+                    deepLink = navController.createDeepLink()
+                        .setGraph(R.navigation.nav_graph)
+                        .setDestination(R.id.map)
+                        .setArguments(MapFragmentArgs(latLng = LatLng(lat, lon)).toBundle())
+                        .createPendingIntent()
+                } else if (query != null && query.isNotEmpty()) {
+                    deepLink = navController.createDeepLink()
+                        .setGraph(R.navigation.nav_graph)
+                        .setDestination(R.id.map)
+                        .setArguments(MapFragmentArgs(locationName = query).toBundle())
+                        .createPendingIntent()
+                }
+            } else if (intent?.scheme == "https" && intent?.data?.host == "www.goingelectric.de") {
+                val id = intent.data?.pathSegments?.last()?.toLongOrNull()
+                if (id != null) {
+                    deepLink = navController.createDeepLink()
+                        .setGraph(R.navigation.nav_graph)
+                        .setDestination(R.id.map)
+                        .setArguments(MapFragmentArgs(chargerId = id).toBundle())
+                        .createPendingIntent()
+                }
+            } else if (intent.hasExtra(EXTRA_CHARGER_ID)) {
+                deepLink = navController.createDeepLink()
                     .setDestination(R.id.map)
-                    .setArguments(MapFragmentArgs(latLng = LatLng(lat, lon)).toBundle())
+                    .setArguments(
+                        MapFragmentArgs(
+                            chargerId = intent.getLongExtra(EXTRA_CHARGER_ID, 0),
+                            latLng = LatLng(
+                                intent.getDoubleExtra(EXTRA_LAT, 0.0),
+                                intent.getDoubleExtra(EXTRA_LON, 0.0)
+                            )
+                        ).toBundle()
+                    )
                     .createPendingIntent()
-                deepLink.send()
-            } else if (query != null && query.isNotEmpty()) {
-                val deepLink = navController.createDeepLink()
-                    .setGraph(R.navigation.nav_graph)
-                    .setDestination(R.id.map)
-                    .setArguments(MapFragmentArgs(locationName = query).toBundle())
+            } else if (intent.hasExtra(EXTRA_FAVORITES)) {
+                deepLink = navController.createDeepLink()
+                    .setDestination(R.id.favs)
                     .createPendingIntent()
-                deepLink.send()
             }
-        } else if (intent?.scheme == "https" && intent?.data?.host == "www.goingelectric.de") {
-            val id = intent.data?.pathSegments?.last()?.toLongOrNull()
-            if (id != null) {
-                val deepLink = navController.createDeepLink()
-                    .setGraph(R.navigation.nav_graph)
-                    .setDestination(R.id.map)
-                    .setArguments(MapFragmentArgs(chargerId = id).toBundle())
-                    .createPendingIntent()
-                deepLink.send()
-            }
-        } else if (intent.hasExtra(EXTRA_CHARGER_ID)) {
-            navController.createDeepLink()
-                .setDestination(R.id.map)
-                .setArguments(
-                    MapFragmentArgs(
-                        chargerId = intent.getLongExtra(EXTRA_CHARGER_ID, 0),
-                        latLng = LatLng(
-                            intent.getDoubleExtra(EXTRA_LAT, 0.0),
-                            intent.getDoubleExtra(EXTRA_LON, 0.0)
-                        )
-                    ).toBundle()
-                )
-                .createPendingIntent()
-                .send()
+
+            deepLink?.send()
         }
     }
 
@@ -169,6 +176,7 @@ class MapsActivity : AppCompatActivity(),
         val coord = charger.coordinates
         val intent = Intent(Intent.ACTION_VIEW)
         intent.data = Uri.parse("google.navigation:q=${coord.lat},${coord.lng}")
+        intent.`package` = "com.google.android.apps.maps"
         if (prefs.navigateUseMaps && intent.resolveActivity(packageManager) != null) {
             startActivity(intent);
         } else {
@@ -180,7 +188,11 @@ class MapsActivity : AppCompatActivity(),
     fun showLocation(charger: ChargeLocation) {
         val coord = charger.coordinates
         val intent = Intent(Intent.ACTION_VIEW)
-        intent.data = Uri.parse("geo:0,0?q=${coord.lat},${coord.lng}(${charger.name})")
+        intent.data = Uri.parse(
+            "geo:${coord.lat},${coord.lng}?q=${coord.lat},${coord.lng}(${
+                Uri.encode(charger.name)
+            })"
+        )
         if (intent.resolveActivity(packageManager) != null) {
             startActivity(intent);
         } else {
@@ -225,6 +237,9 @@ class MapsActivity : AppCompatActivity(),
         caller: PreferenceFragmentCompat,
         pref: Preference
     ): Boolean {
+        caller.exitTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
+        caller.reenterTransition = MaterialSharedAxis(MaterialSharedAxis.X, false)
+
         // Identify the Navigation Destination
         val navDestination = navController.graph
             .find { target -> target is FragmentNavigator.Destination && pref.fragment == target.className }

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

@@ -144,10 +144,9 @@ class CheckableConnectorAdapter : DataBindingAdapter<Chargepoint>() {
             field = value
             checkedItem?.let {
                 if (value != null && getItem(it).type !in value) {
-                    val index = currentList.indexOfFirst {
+                    checkedItem = currentList.indexOfFirst {
                         it.type in value
-                    }
-                    checkedItem = if (index == -1) null else index
+                    }.takeIf { it != -1 }
                     onCheckedItemChangedListener?.invoke(getCheckedItem())
                 }
             }
@@ -168,7 +167,7 @@ class CheckableConnectorAdapter : DataBindingAdapter<Chargepoint>() {
         }
         root.setOnCheckedChangeListener { v: View, checked: Boolean ->
             if (checked) {
-                checkedItem = holder.bindingAdapterPosition
+                checkedItem = holder.bindingAdapterPosition.takeIf { it != -1 }
                 root.post {
                     notifyDataSetChanged()
                 }
@@ -180,7 +179,7 @@ class CheckableConnectorAdapter : DataBindingAdapter<Chargepoint>() {
     fun getCheckedItem(): Chargepoint? = checkedItem?.let { getItem(it) }
 
     fun setCheckedItem(item: Chargepoint?) {
-        checkedItem = item?.let { currentList.indexOf(item) }
+        checkedItem = item?.let { currentList.indexOf(item) }.takeIf { it != -1 }
     }
 
     var onCheckedItemChangedListener: ((Chargepoint?) -> Unit)? = null

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

@@ -44,13 +44,13 @@ fun buildDetails(
     if (loc == null) return emptyList()
 
     return listOfNotNull(
-        DetailsAdapter.Detail(
+        if (loc.address != null) DetailsAdapter.Detail(
             R.drawable.ic_address,
             R.string.address,
             loc.address.toString(),
             loc.locationDescription,
             clickable = true
-        ),
+        ) else null,
         if (loc.operator != null) DetailsAdapter.Detail(
             R.drawable.ic_operator,
             R.string.operator,
@@ -73,7 +73,7 @@ fun buildDetails(
                 )
             } ?: "",
             loc.faultReport.description?.let {
-                HtmlCompat.fromHtml(it, HtmlCompat.FROM_HTML_MODE_LEGACY)
+                HtmlCompat.fromHtml(it.replace("\n", "<br>"), HtmlCompat.FROM_HTML_MODE_LEGACY)
             } ?: "",
             clickable = true
         ) else null,

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

@@ -14,7 +14,7 @@ class FavoritesAdapter(val onDelete: (FavoritesViewModel.FavoritesListItem) -> U
 
     override fun getItemViewType(position: Int): Int = R.layout.item_favorite
 
-    override fun getItemId(position: Int): Long = getItem(position).charger.id
+    override fun getItemId(position: Int): Long = getItem(position).fav.favorite.favoriteId
 
     @SuppressLint("ClickableViewAccessibility")
     override fun bind(

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

@@ -2,7 +2,6 @@ package net.vonforst.evmap.api.availability
 
 import com.facebook.stetho.okhttp3.StethoInterceptor
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.withContext
 import net.vonforst.evmap.api.RateLimitInterceptor
 import net.vonforst.evmap.api.await
@@ -22,9 +21,9 @@ import java.util.concurrent.TimeUnit
 
 interface AvailabilityDetector {
     suspend fun getAvailability(location: ChargeLocation): ChargeLocationStatus
+    fun isCountrySupported(country: String, dataSource: String): Boolean
 }
 
-@ExperimentalCoroutinesApi
 abstract class BaseAvailabilityDetector(private val client: OkHttpClient) : AvailabilityDetector {
     protected val radius = 150  // max radius in meters
 
@@ -88,7 +87,7 @@ abstract class BaseAvailabilityDetector(private val client: OkHttpClient) : Avai
                 // find corresponding powers in GE data
                 val gePowers =
                     chargepoints.filter { equivalentPlugTypes(it.type).any { it == type } }
-                        .map { it.power }.distinct().sorted()
+                        .mapNotNull { it.power }.distinct().sorted()
 
                 // if the distinct number of powers is the same, try to match.
                 if (powers.size == gePowers.size) {
@@ -133,7 +132,7 @@ data class ChargeLocationStatus(
             (connectors == null || connectors.map {
                 equivalentPlugTypes(it)
             }.any { equivalent -> it.type in equivalent })
-                    && (minPower == null || it.power > minPower)
+                    && (minPower == null || (it.power != null && it.power > minPower))
         }
         return this.copy(status = statusFiltered)
     }
@@ -159,6 +158,7 @@ private val okhttp = OkHttpClient.Builder()
     .cookieJar(JavaNetCookieJar(cookieManager))
     .build()
 val availabilityDetectors = listOf(
+    EnBwAvailabilityDetector(okhttp),
     NewMotionAvailabilityDetector(okhttp)
     /*ChargecloudAvailabilityDetector(
         okhttp,
@@ -172,8 +172,12 @@ val availabilityDetectors = listOf(
 
 suspend fun getAvailability(charger: ChargeLocation): Resource<ChargeLocationStatus> {
     var value: Resource<ChargeLocationStatus>? = null
+    val country = charger.chargepriceData?.country
+        ?: charger.address?.country
+        ?: return Resource.error(null, null)
     withContext(Dispatchers.IO) {
         for (ad in availabilityDetectors) {
+            if (!ad.isCountrySupported(country, charger.dataSource)) continue
             try {
                 value = Resource.success(ad.getAvailability(charger))
                 break

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

@@ -1,6 +1,5 @@
 package net.vonforst.evmap.api.availability
 
-import kotlinx.coroutines.ExperimentalCoroutinesApi
 import net.vonforst.evmap.api.iterator
 import net.vonforst.evmap.model.ChargeLocation
 import net.vonforst.evmap.model.Chargepoint
@@ -8,12 +7,10 @@ import okhttp3.OkHttpClient
 import org.json.JSONObject
 import java.io.IOException
 
-@ExperimentalCoroutinesApi
 class ChargecloudAvailabilityDetector(
     client: OkHttpClient,
     private val operatorId: String
 ) : BaseAvailabilityDetector(client) {
-    @ExperimentalCoroutinesApi
     override suspend fun getAvailability(location: ChargeLocation): ChargeLocationStatus {
         val url =
             "https://app.chargecloud.de/emobility:ocpi/$operatorId/app/2.0/locations?latitude=${location.coordinates.lat}&longitude=${location.coordinates.lng}&radius=$radius&offset=0&limit=10"
@@ -83,6 +80,10 @@ class ChargecloudAvailabilityDetector(
         }
     }
 
+    override fun isCountrySupported(country: String, dataSource: String): Boolean {
+        TODO("Not yet implemented")
+    }
+
     private fun getType(string: String): String {
         return when (string) {
             "IEC_62196_T2" -> Chargepoint.TYPE_2_UNKNOWN

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

@@ -0,0 +1,225 @@
+package net.vonforst.evmap.api.availability
+
+import com.squareup.moshi.JsonClass
+import net.vonforst.evmap.model.ChargeLocation
+import net.vonforst.evmap.model.Chargepoint
+import net.vonforst.evmap.utils.distanceBetween
+import okhttp3.OkHttpClient
+import retrofit2.Retrofit
+import retrofit2.converter.moshi.MoshiConverterFactory
+import retrofit2.http.GET
+import retrofit2.http.Path
+import retrofit2.http.Query
+
+private const val coordRange = 0.005  // range of latitude and longitude for loading the map
+private const val maxDistance = 15  // max distance between reported positions in meters
+
+interface EnBwApi {
+    @GET("chargestations?grouping=false")
+    suspend fun getMarkers(
+        @Query("fromLon") fromLon: Double,
+        @Query("toLon") toLon: Double,
+        @Query("fromLat") fromLat: Double,
+        @Query("toLat") toLat: Double,
+    ): List<EnBwLocation>
+
+    @GET("chargestations/{id}")
+    suspend fun getLocation(@Path("id") id: Long): EnBwLocationDetail
+
+    @JsonClass(generateAdapter = true)
+    data class EnBwLocation(
+        val lat: Double,
+        val lon: Double,
+        val stationId: Long?,
+        val grouped: Boolean,
+        val availableChargePoints: Int,
+        val numberOfChargePoints: Int,
+        val operator: String,
+        val viewPort: EnBwViewport
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class EnBwLocationDetail(
+        val lat: Double,
+        val lon: Double,
+        val stationId: Long,
+        val availableChargePoints: Int,
+        val numberOfChargePoints: Int,
+        val operator: String,
+        val chargePoints: List<EnBwChargePoint>
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class EnBwChargePoint(
+        val evseId: String?,
+        val status: String,
+        val connectors: List<EnBwConnector>
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class EnBwConnector(
+        val plugTypeName: String,
+        val maxPowerInKw: Double,
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class EnBwViewport(
+        val lowerLeftLat: Double,
+        val lowerLeftLon: Double,
+        val upperRightLat: Double,
+        val upperRightLon: Double
+    )
+
+    companion object {
+        fun create(client: OkHttpClient, baseUrl: String? = null): EnBwApi {
+            val clientWithInterceptor = client.newBuilder()
+                .addInterceptor { chain ->
+                    // add API key to every request
+                    val request = chain.request().newBuilder()
+                        .header("Ocp-Apim-Subscription-Key", "d4954e8b2e444fc89a89a463788c0a72")
+                        .header("Origin", "https://www.enbw.com")
+                        .header("Referer", "https://www.enbw.com/")
+                        .header("Accept", "application/json")
+                        .build()
+                    chain.proceed(request)
+                }.build()
+            val retrofit = Retrofit.Builder()
+                .baseUrl(baseUrl ?: "https://enbw-emp.azure-api.net/emobility-public-api/api/v1/")
+                .addConverterFactory(MoshiConverterFactory.create())
+                .client(clientWithInterceptor)
+                .build()
+            return retrofit.create(EnBwApi::class.java)
+        }
+    }
+}
+
+class EnBwAvailabilityDetector(client: OkHttpClient, baseUrl: String? = null) :
+    BaseAvailabilityDetector(client) {
+    val api = EnBwApi.create(client, baseUrl)
+
+    override suspend fun getAvailability(location: ChargeLocation): ChargeLocationStatus {
+        val lat = location.coordinates.lat
+        val lng = location.coordinates.lng
+
+        // find nearest station to this position
+        var markers =
+            api.getMarkers(lng - coordRange, lng + coordRange, lat - coordRange, lat + coordRange)
+
+        markers = markers.flatMap {
+            if (it.grouped) {
+                api.getMarkers(
+                    it.viewPort.lowerLeftLon,
+                    it.viewPort.upperRightLon,
+                    it.viewPort.lowerLeftLat,
+                    it.viewPort.upperRightLat
+                )
+            } else {
+                listOf(it)
+            }
+        }
+
+        println(markers)
+
+        val nearest = markers.minByOrNull { marker ->
+            distanceBetween(marker.lat, marker.lon, lat, lng)
+        } ?: throw AvailabilityDetectorException("no candidates found.")
+
+        if (distanceBetween(
+                nearest.lat,
+                nearest.lon,
+                lat,
+                lng
+            ) > radius
+        ) {
+            throw AvailabilityDetectorException("no candidates found")
+        }
+
+        // combine related stations
+        markers = markers.filter { marker ->
+            distanceBetween(
+                marker.lat,
+                marker.lon,
+                nearest.lat,
+                nearest.lon
+            ) < maxDistance
+        }
+
+        var details = markers.filter {
+            // only include stations from same operator
+            it.operator == nearest.operator && it.stationId != null
+        }.map {
+            // load details
+            api.getLocation(it.stationId!!)
+        }
+
+        val connectorStatus = details.flatMap { it.chargePoints }.flatMap { cp ->
+            cp.connectors.map { connector ->
+                connector to cp.status
+            }
+        }
+
+        val enbwConnectors = mutableMapOf<Long, Pair<Double, String>>()
+        val enbwStatus = mutableMapOf<Long, ChargepointStatus>()
+        connectorStatus.forEachIndexed { index, (connector, statusStr) ->
+            val id = index.toLong()
+            val power = connector.maxPowerInKw
+            val type = when (connector.plugTypeName) {
+                "Typ 3A" -> Chargepoint.TYPE_3
+                "Typ 2" -> Chargepoint.TYPE_2_UNKNOWN
+                "Typ 1" -> Chargepoint.TYPE_1
+                "Steckdose(D)" -> Chargepoint.SCHUKO
+                "CCS (Typ 1)" -> Chargepoint.CCS_TYPE_1  // US CCS, aka type1_combo
+                "CCS (Typ 2)" -> Chargepoint.CCS_TYPE_2  // EU CCS, aka type2_combo
+                "CHAdeMO" -> Chargepoint.CHADEMO
+                else -> "unknown"
+            }
+            val status = when (statusStr) {
+                "UNAVAILABLE" -> ChargepointStatus.FAULTED
+                "AVAILABLE" -> ChargepointStatus.AVAILABLE
+                "OCCUPIED" -> ChargepointStatus.CHARGING
+                "UNSPECIFIED" -> ChargepointStatus.UNKNOWN
+                else -> ChargepointStatus.UNKNOWN
+            }
+            enbwConnectors.put(id, power to type)
+            enbwStatus.put(id, status)
+        }
+
+        val match = matchChargepoints(enbwConnectors, location.chargepointsMerged)
+        val chargepointStatus = match.mapValues { entry ->
+            entry.value.map { enbwStatus[it]!! }
+        }
+        return ChargeLocationStatus(
+            chargepointStatus,
+            "EnBW"
+        )
+    }
+
+    override fun isCountrySupported(country: String, dataSource: String): Boolean =
+        when (dataSource) {
+            // list of countries as of 2021/06/30, according to
+            // https://www.electrive.net/2021/06/30/enbw-expandiert-mit-ladenetz-in-drei-weitere-laender/
+            "goingelectric" -> country in listOf(
+                "Deutschland",
+                "Österreich",
+                "Schweiz",
+                "Frankreich",
+                "Belgien",
+                "Niederlande",
+                "Luxemburg",
+                "Liechtenstein",
+                "Italien",
+            )
+            "openchargemap" -> country in listOf(
+                "DE",
+                "AT",
+                "CH",
+                "FR",
+                "BE",
+                "NE",
+                "LU",
+                "LI",
+                "IT"
+            )
+            else -> false
+        }
+}

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

@@ -173,4 +173,9 @@ class NewMotionAvailabilityDetector(client: OkHttpClient, baseUrl: String? = nul
         )
     }
 
+    override fun isCountrySupported(country: String, dataSource: String): Boolean {
+        // NewMotion is our fallback
+        return true
+    }
+
 }

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

@@ -48,11 +48,9 @@ data class ChargepriceStation(
                 charger.coordinates.lat,
                 charger.chargepriceData.country,
                 charger.chargepriceData.network,
-                charger.chargepoints.zip(plugTypes).filter {
-                    equivalentPlugTypes(it.first.type).any { it in compatibleConnectors }
-                }.map {
-                    ChargepriceChargepoint(it.first.power, it.second)
-                }
+                charger.chargepoints.zip(plugTypes)
+                    .filter { equivalentPlugTypes(it.first.type).any { it in compatibleConnectors } }
+                    .map { ChargepriceChargepoint(it.first.power ?: 0.0, it.second) }
             )
         }
     }

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

@@ -126,16 +126,21 @@ internal class HoursAdapter {
     private val regex = Regex("from (.*) till (.*)")
 
     @FromJson
-    fun fromJson(str: String): GEHours? {
+    fun fromJson(str: String): GEHours {
         if (str == "closed") {
             return GEHours(null, null)
+        } else if (str == "around the clock") {
+            return GEHours(LocalTime.MIN, LocalTime.MAX)
         } else {
             val match = regex.find(str)
             if (match != null) {
-                return GEHours(
-                    LocalTime.parse(match.groupValues[1]),
+                val start = LocalTime.parse(match.groupValues[1])
+                val end = if (match.groupValues[2] == "24:00") {
+                    LocalTime.MAX
+                } else {
                     LocalTime.parse(match.groupValues[2])
-                )
+                }
+                return GEHours(start, end)
             } else {
                 // I cannot reproduce this case, but it seems to occur once in a while
                 Log.e("GoingElectricApi", "invalid hours value: " + str)

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

@@ -326,7 +326,7 @@ class GoingElectricApiWrapper(
             } else {
                 true
             }
-        }.map { it.convert(apikey) }
+        }.map { it.convert(apikey, false) }
 
         // apply clustering
         val useClustering = zoom < 13
@@ -350,7 +350,7 @@ class GoingElectricApiWrapper(
             return if (response.isSuccessful && response.body()!!.status == "ok" && response.body()!!.chargelocations.size == 1) {
                 Resource.success(
                     (response.body()!!.chargelocations[0] as GEChargeLocation).convert(
-                        apikey
+                        apikey, true
                     )
                 )
             } else {

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

@@ -29,7 +29,7 @@ data class GEChargeCardList(
 )
 
 sealed class GEChargepointListItem {
-    abstract fun convert(apikey: String): ChargepointListItem
+    abstract fun convert(apikey: String, isDetailed: Boolean): ChargepointListItem
 }
 
 @JsonClass(generateAdapter = true)
@@ -54,7 +54,7 @@ data class GEChargeLocation(
     val openinghours: GEOpeningHours?,
     val cost: GECost?
 ) : GEChargepointListItem() {
-    override fun convert(apikey: String) = ChargeLocation(
+    override fun convert(apikey: String, isDetailed: Boolean) = ChargeLocation(
         id,
         "goingelectric",
         name,
@@ -76,7 +76,9 @@ data class GEChargeLocation(
         openinghours?.convert(),
         cost?.convert(),
         null,
-        ChargepriceData(address.country, network, chargepoints.map { it.type })
+        ChargepriceData(address.country, network, chargepoints.map { it.type }),
+        Instant.now(),
+        isDetailed
     )
 }
 
@@ -161,7 +163,7 @@ data class GEChargeLocationCluster(
     val clusterCount: Int,
     val coordinates: GECoordinate
 ) : GEChargepointListItem() {
-    override fun convert(apikey: String) =
+    override fun convert(apikey: String, isDetailed: Boolean) =
         ChargeLocationCluster(clusterCount, coordinates.convert())
 }
 

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

@@ -2,12 +2,20 @@ package net.vonforst.evmap.api.openchargemap
 
 import com.squareup.moshi.FromJson
 import com.squareup.moshi.ToJson
+import java.time.LocalDateTime
+import java.time.ZoneOffset
 import java.time.ZonedDateTime
+import java.time.format.DateTimeParseException
 
 internal class ZonedDateTimeAdapter {
     @FromJson
     fun fromJson(value: String?): ZonedDateTime? = value?.let {
-        ZonedDateTime.parse(value)
+        try {
+            ZonedDateTime.parse(value)
+        } catch (e: DateTimeParseException) {
+            val dt: LocalDateTime = LocalDateTime.parse(value)
+            dt.atZone(ZoneOffset.UTC)
+        }
     }
 
     @ToJson

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

@@ -235,7 +235,7 @@ class OpenChargeMapApiWrapper(
                 .filter { it.power == null || it.power >= (minPower ?: 0.0) }
                 .filter { if (connectorsVal != null && !connectorsVal.all) it.connectionTypeId in connectorsVal.values.map { it.toLong() } else true }
                 .sumOf { it.quantity ?: 1 } >= (minConnectors ?: 0)
-        }.map { it.convert(referenceData) }.distinct() as List<ChargepointListItem>
+        }.map { it.convert(referenceData, false) }.distinct() as List<ChargepointListItem>
 
         // apply clustering
         val useClustering = zoom < 13
@@ -256,7 +256,7 @@ class OpenChargeMapApiWrapper(
         try {
             val response = api.getChargepointDetail(id)
             if (response.isSuccessful && response.body()?.size == 1) {
-                return Resource.success(response.body()!![0].convert(referenceData))
+                return Resource.success(response.body()!![0].convert(referenceData, true))
             } else {
                 return Resource.error(response.message(), null)
             }

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

@@ -7,6 +7,7 @@ import com.squareup.moshi.JsonClass
 import kotlinx.parcelize.Parcelize
 import net.vonforst.evmap.max
 import net.vonforst.evmap.model.*
+import java.time.Instant
 import java.time.ZonedDateTime
 
 // Unknown, Currently Available, Currently In Use, Operational
@@ -44,7 +45,7 @@ data class OCMChargepoint(
     @Json(name = "UserComments") val userComments: List<OCMUserComment>?,
     @Json(name = "DateLastStatusUpdate") val lastStatusUpdateDate: ZonedDateTime?
 ) {
-    fun convert(refData: OCMReferenceData) = ChargeLocation(
+    fun convert(refData: OCMReferenceData, isDetailed: Boolean) = ChargeLocation(
         id,
         "openchargemap",
         addressInfo.title,
@@ -69,7 +70,9 @@ data class OCMChargepoint(
         ChargepriceData(
             addressInfo.countryISOCode(refData),
             operatorId?.toString(),
-            connections.map { "${it.connectionTypeId},${it.currentTypeId}" })
+            connections.map { "${it.connectionTypeId},${it.currentTypeId}" }),
+        Instant.now(),
+        isDetailed
     )
 
     private fun convertFaultReport(): FaultReport? {
@@ -138,7 +141,7 @@ data class OCMConnection(
 ) {
     fun convert(refData: OCMReferenceData) = Chargepoint(
         convertConnectionTypeFromOCM(connectionTypeId, refData),
-        power ?: 0.0,
+        power,
         quantity ?: 1
     )
 

app/src/main/java/net/vonforst/evmap/api/openstreetmap/OpenStreetMapModel.kt

@@ -0,0 +1,202 @@
+package net.vonforst.evmap.api.openstreetmap
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+import net.vonforst.evmap.model.*
+import okhttp3.internal.immutableListOf
+import java.time.Instant
+import java.time.ZonedDateTime
+
+private data class OsmSocket(
+    // The OSM socket name (e.g. "type2_combo")
+    val osmSocketName: String,
+    // The socket identifier used in EVMap.
+    // TODO: This should probably be a separate enum-like type, not a string.
+    val evmapKey: String?,
+) {
+    /**
+     * Return the OSM socket base tag (e.g. "socket:type2_combo").
+     */
+    fun osmSocketBaseTag(): String {
+        return "socket:${this.osmSocketName}"
+    }
+}
+
+// List of all OSM socket types that are relevant for EVs:
+// https://wiki.openstreetmap.org/wiki/Key:socket
+private val SOCKET_TYPES = immutableListOf(
+    // Type 1
+    OsmSocket("type1", Chargepoint.TYPE_1),
+    OsmSocket("type1_combo", Chargepoint.CCS_TYPE_1),
+
+    // Type 2
+    OsmSocket("type2", Chargepoint.TYPE_2_SOCKET), // Type2 socket (or unknown)
+    OsmSocket("type2_cable", Chargepoint.TYPE_2_PLUG), // Type2 plug
+    OsmSocket("type2_combo", Chargepoint.CCS_TYPE_2), // CCS
+
+    // CHAdeMO
+    OsmSocket("chademo", Chargepoint.CHADEMO),
+
+    // Tesla
+    OsmSocket("tesla_standard", null),
+    OsmSocket("tesla_supercharger", Chargepoint.SUPERCHARGER),
+
+    // CEE
+    OsmSocket("cee_blue", Chargepoint.CEE_BLAU), // Also known as "caravan socket"
+    OsmSocket("cee_red_16a", Chargepoint.CEE_ROT),
+    OsmSocket("cee_red_32a", Chargepoint.CEE_ROT),
+    OsmSocket("cee_red_63a", Chargepoint.CEE_ROT),
+    OsmSocket("cee_red_125a", Chargepoint.CEE_ROT),
+
+    // Europe
+    OsmSocket("schuko", Chargepoint.SCHUKO),
+
+    // Switzerland
+    OsmSocket("sev1011_t13", null),
+    OsmSocket("sev1011_t15", null),
+    OsmSocket("sev1011_t23", null),
+    OsmSocket("sev1011_t25", null),
+)
+
+@JsonClass(generateAdapter = true)
+data class OSMChargingStation(
+    // Unique numeric ID
+    val id: Long,
+    // Latitude (WGS84)
+    val lat: Double,
+    // Longitude (WGS84)
+    val lon: Double,
+    // Timestamp of last update
+    @Json(name = "timestamp") val lastUpdateTimestamp: ZonedDateTime,
+    // Numeric, monotonically increasing version number
+    val version: Int,
+    // User that last modified this POI
+    val user: String,
+    // Raw key-value OSM tags
+    val tags: Map<String, String>,
+) {
+    /**
+     * Convert the [OSMChargingStation] to a generic [ChargeLocation].
+     *
+     * The [dataFetchTimestamp] should be set to the timestamp when the data was last
+     * refreshed / fetched from OSM. It will always be later than the [lastUpdateTimestamp],
+     * which contains the timestamp when the data was last _edited_ in OSM.
+     */
+    fun convert(dataFetchTimestamp: Instant) = ChargeLocation(
+        id,
+        "openstreetmap",
+        getName(),
+        Coordinate(lat, lon),
+        null, // TODO: Can we determine this with overpass?
+        getChargepoints(),
+        tags["network"],
+        "https://www.openstreetmap.org/node/$id",
+        "https://www.openstreetmap.org/edit?node=$id",
+        null,
+        false, // We don't know
+        tags["authentication:none"] == "yes",
+        tags["operator"],
+        tags["description"],
+        null,
+        null,
+        null,
+        null,
+        getOpeningHours(),
+        getCost(),
+        "© OpenStreetMap contributors",
+        null,
+        dataFetchTimestamp,
+        true,
+    )
+
+    /**
+     * Return the name for this charging station.
+     */
+    private fun getName(): String {
+        // Ideally this station has a name.
+        // If not, fall back to the operator.
+        // If that is missing as well, use a generic "Charging Station" string.
+        return tags["name"]
+            ?: tags["operator"]
+            ?: "Charging Station";
+    }
+
+    /**
+     * Return the chargepoints for this charging station.
+     */
+    private fun getChargepoints(): List<Chargepoint> {
+        // Note: In OSM, the chargepoints are mapped as "socket:<type> = <count>"
+        val chargepoints = mutableListOf<Chargepoint>()
+        for (socket in SOCKET_TYPES) {
+            val count = try {
+                (this.tags[socket.osmSocketBaseTag()] ?: "0").toInt()
+            } catch (e: NumberFormatException) {
+                0
+            }
+            if (count > 0) {
+                if (socket.evmapKey != null) {
+                    val outputPower = parseOutputPower(this.tags["${socket.osmSocketBaseTag()}:output"])
+                    chargepoints.add(Chargepoint(socket.evmapKey, outputPower, count))
+                }
+            }
+        }
+        return chargepoints
+    }
+
+    private fun getOpeningHours(): OpeningHours? {
+        val rawOpeningHours = tags["opening_hours"] ?: return null
+
+        // Handle the simple 24/7 case
+        if (rawOpeningHours == "24/7") {
+            return OpeningHours(true, null, null)
+        }
+
+        // TODO: Try to convert other formats as well?
+        //
+        // Note: The current {@link OpeningHours} format is not flexible enough to handle
+        // all rules that OSM can represent and might need to be updated.
+        // This library could help: https://github.com/simonpoole/OpeningHoursParser
+        //
+        // Alternatively, with the opening-hours-evaluator library
+        // https://github.com/leonardehrenfried/opening-hours-evaluator
+        // we could implement an "open now" feature.
+        return null
+    }
+
+    private fun getCost(): Cost? {
+        val freecharging = when (tags["fee"]?.lowercase()) {
+            "yes", "y" -> false
+            "no", "n" -> true
+            else -> null
+        }
+        val freeparking = when (tags["parking:fee"]?.lowercase()) {
+            "no", "n" -> true
+            "yes", "y", "interval" -> false
+            else -> null
+        }
+        return Cost(freecharging, freeparking)
+    }
+
+    companion object {
+        /**
+         * Parse raw OSM output power.
+         *
+         * The proper format to map output power for an EV charging station is "<amount> kW",
+         * for example "22 kW" or "3.7 kW". Some fields in the wild are tagged with the unit "kVA"
+         * instead of "kW", those can be treated as equivalent.
+         *
+         * Sometimes people also mapped plain numbers (e.g. 7000, I assume that's 7 kW),
+         * ranges (5,5 - 11 kW, huh?) or even current (32 A), which is wrong. If we cannot parse,
+         * just ignore the field.
+         */
+        fun parseOutputPower(rawOutput: String?): Double? {
+            if (rawOutput == null) {
+                return null;
+            }
+            val pattern = Regex("([0-9.,]+)\\s*(kW|kVA)", setOf(RegexOption.IGNORE_CASE))
+            val matchResult = pattern.matchEntire(rawOutput) ?: return null
+            val numberString = matchResult.groupValues[1].replace(',', '.')
+            return numberString.toDoubleOrNull()
+        }
+    }
+}

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

@@ -2,12 +2,9 @@ package net.vonforst.evmap.fragment
 
 import android.annotation.SuppressLint
 import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.MotionEvent
-import android.view.View
-import android.view.ViewGroup
+import android.view.*
 import androidx.databinding.DataBindingUtil
-import androidx.fragment.app.DialogFragment
+import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
 import androidx.lifecycle.Observer
 import androidx.navigation.fragment.findNavController
@@ -15,7 +12,9 @@ import androidx.navigation.fragment.navArgs
 import androidx.navigation.ui.setupWithNavController
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.LinearLayoutManager
+import com.google.android.material.color.MaterialColors
 import com.google.android.material.snackbar.Snackbar
+import com.google.android.material.transition.MaterialContainerTransform
 import net.vonforst.evmap.MapsActivity
 import net.vonforst.evmap.R
 import net.vonforst.evmap.adapter.ChargepriceAdapter
@@ -30,7 +29,7 @@ import net.vonforst.evmap.viewmodel.Status
 import net.vonforst.evmap.viewmodel.viewModelFactory
 import java.text.NumberFormat
 
-class ChargepriceFragment : DialogFragment() {
+class ChargepriceFragment : Fragment() {
     private lateinit var binding: FragmentChargepriceBinding
     private var connectionErrorSnackbar: Snackbar? = null
 
@@ -43,9 +42,9 @@ class ChargepriceFragment : DialogFragment() {
         }
     })
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        dialog?.window?.attributes?.windowAnimations = R.style.ChargepriceDialogAnimation
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        sharedElementEnterTransition = MaterialContainerTransform()
     }
 
     override fun onCreateView(
@@ -66,20 +65,15 @@ class ChargepriceFragment : DialogFragment() {
         return binding.root
     }
 
-    override fun onStart() {
-        super.onStart()
-
-        // dialog with 95% screen height
-        dialog?.window?.setLayout(
-            ViewGroup.LayoutParams.MATCH_PARENT,
-            (resources.displayMetrics.heightPixels * 0.95).toInt()
-        )
-    }
-
     @SuppressLint("ClickableViewAccessibility")
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
+        binding.toolbar.setupWithNavController(
+            findNavController(),
+            (requireActivity() as MapsActivity).appBarConfiguration
+        )
+
         val fragmentArgs: ChargepriceFragmentArgs by navArgs()
         val charger = fragmentArgs.charger
         val dataSource = fragmentArgs.dataSource
@@ -171,10 +165,6 @@ class ChargepriceFragment : DialogFragment() {
 
         binding.toolbar.setOnMenuItemClickListener {
             when (it.itemId) {
-                R.id.menu_close -> {
-                    dismiss()
-                    true
-                }
                 R.id.menu_help -> {
                     (activity as? MapsActivity)?.openUrl(getString(R.string.chargeprice_faq_link))
                     true
@@ -207,14 +197,9 @@ class ChargepriceFragment : DialogFragment() {
                 }
             }
         }
+
+        // Workaround for AndroidX bug: https://github.com/material-components/material-components-android/issues/1984
+        view.setBackgroundColor(MaterialColors.getColor(view, android.R.attr.windowBackground))
     }
 
-    override fun onResume() {
-        super.onResume()
-        binding.toolbar.setupWithNavController(
-            findNavController(),
-            (requireActivity() as MapsActivity).appBarConfiguration
-        )
-    }
-
-}
+}

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

@@ -17,7 +17,9 @@ import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.car2go.maps.model.LatLng
+import com.google.android.material.color.MaterialColors
 import com.google.android.material.snackbar.Snackbar
+import com.google.android.material.transition.MaterialFadeThrough
 import com.mapzen.android.lost.api.LocationServices
 import com.mapzen.android.lost.api.LostApiClient
 import net.vonforst.evmap.MapsActivity
@@ -26,7 +28,8 @@ import net.vonforst.evmap.adapter.DataBindingAdapter
 import net.vonforst.evmap.adapter.FavoritesAdapter
 import net.vonforst.evmap.databinding.FragmentFavoritesBinding
 import net.vonforst.evmap.databinding.ItemFavoriteBinding
-import net.vonforst.evmap.model.ChargeLocation
+import net.vonforst.evmap.model.Favorite
+import net.vonforst.evmap.model.FavoriteWithDetail
 import net.vonforst.evmap.utils.checkAnyLocationPermission
 import net.vonforst.evmap.viewmodel.FavoritesViewModel
 import net.vonforst.evmap.viewmodel.viewModelFactory
@@ -34,7 +37,7 @@ import net.vonforst.evmap.viewmodel.viewModelFactory
 class FavoritesFragment : Fragment(), LostApiClient.ConnectionCallbacks {
     private lateinit var binding: FragmentFavoritesBinding
     private var locationClient: LostApiClient? = null
-    private var toDelete: ChargeLocation? = null
+    private var toDelete: Favorite? = null
     private var deleteSnackbar: Snackbar? = null
     private lateinit var adapter: FavoritesAdapter
 
@@ -51,6 +54,9 @@ class FavoritesFragment : Fragment(), LostApiClient.ConnectionCallbacks {
         super.onCreate(savedInstanceState)
         locationClient = LostApiClient.Builder(requireContext())
             .addConnectionCallbacks(this).build()
+
+        enterTransition = MaterialFadeThrough()
+        exitTransition = MaterialFadeThrough()
     }
 
     override fun onCreateView(
@@ -70,9 +76,16 @@ class FavoritesFragment : Fragment(), LostApiClient.ConnectionCallbacks {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        // Workaround for AndroidX bug: https://github.com/material-components/material-components-android/issues/1984
+        view.setBackgroundColor(MaterialColors.getColor(view, android.R.attr.windowBackground))
+
+        binding.toolbar.setupWithNavController(
+            findNavController(),
+            (requireActivity() as MapsActivity).appBarConfiguration
+        )
 
         adapter = FavoritesAdapter(onDelete = {
-            delete(it.charger)
+            delete(it.fav)
         }).apply {
             onClickListener = {
                 findNavController().navigate(
@@ -120,18 +133,20 @@ class FavoritesFragment : Fragment(), LostApiClient.ConnectionCallbacks {
         }
     }
 
-    fun delete(fav: ChargeLocation) {
-        val position = vm.listData.value?.indexOfFirst { it.charger == fav } ?: return
+    fun delete(fav: FavoriteWithDetail) {
+        val position =
+            vm.listData.value?.indexOfFirst { it.fav.favorite.favoriteId == fav.favorite.favoriteId }
+                ?: return
         // if there is already a profile to delete, delete it now
         actuallyDelete()
         deleteSnackbar?.dismiss()
 
-        toDelete = fav
+        toDelete = fav.favorite
 
         view?.let {
             val snackbar = Snackbar.make(
                 it,
-                getString(R.string.deleted_filterprofile, fav.name),
+                getString(R.string.deleted_filterprofile, fav.charger.name),
                 Snackbar.LENGTH_LONG
             ).setAction(R.string.undo) {
                 toDelete = null
@@ -170,7 +185,7 @@ class FavoritesFragment : Fragment(), LostApiClient.ConnectionCallbacks {
             }
 
             override fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int) {
-                val fav = vm.favorites.value?.find { it.id == viewHolder.itemId }
+                val fav = vm.favorites.value?.find { it.favorite.favoriteId == viewHolder.itemId }
                 fav?.let { delete(it) }
             }
 
@@ -254,9 +269,5 @@ class FavoritesFragment : Fragment(), LostApiClient.ConnectionCallbacks {
 
     override fun onResume() {
         super.onResume()
-        binding.toolbar.setupWithNavController(
-            findNavController(),
-            (requireActivity() as MapsActivity).appBarConfiguration
-        )
     }
 }

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

@@ -11,6 +11,8 @@ import androidx.navigation.fragment.findNavController
 import androidx.navigation.ui.setupWithNavController
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.LinearLayoutManager
+import com.google.android.material.color.MaterialColors
+import com.google.android.material.transition.MaterialSharedAxis
 import kotlinx.coroutines.launch
 import net.vonforst.evmap.MapsActivity
 import net.vonforst.evmap.R
@@ -24,6 +26,12 @@ class FilterFragment : Fragment() {
     private lateinit var binding: FragmentFilterBinding
     private val vm: FilterViewModel by viewModels()
 
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enterTransition = MaterialSharedAxis(MaterialSharedAxis.Z, true)
+        returnTransition = MaterialSharedAxis(MaterialSharedAxis.Z, false)
+    }
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -43,6 +51,17 @@ class FilterFragment : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         (requireActivity() as AppCompatActivity).setSupportActionBar(binding.toolbar)
 
+        binding.toolbar.setupWithNavController(
+            findNavController(),
+            (requireActivity() as MapsActivity).appBarConfiguration
+        )
+
+        vm.filterProfile.observe(viewLifecycleOwner) {
+            if (it != null) {
+                binding.toolbar.title = getString(R.string.edit_filter_profile, it.name)
+            }
+        }
+
         binding.filtersList.apply {
             adapter = FiltersAdapter()
             layoutManager =
@@ -57,6 +76,9 @@ class FilterFragment : Fragment() {
         binding.toolbar.setNavigationOnClickListener {
             findNavController().popBackStack()
         }
+
+        // Workaround for AndroidX bug: https://github.com/material-components/material-components-android/issues/1984
+        view.setBackgroundColor(MaterialColors.getColor(view, android.R.attr.windowBackground))
     }
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
@@ -108,18 +130,4 @@ class FilterFragment : Fragment() {
                 }
         }
     }
-
-    override fun onResume() {
-        super.onResume()
-        binding.toolbar.setupWithNavController(
-            findNavController(),
-            (requireActivity() as MapsActivity).appBarConfiguration
-        )
-
-        vm.filterProfile.observe(viewLifecycleOwner) {
-            if (it != null) {
-                binding.toolbar.title = getString(R.string.edit_filter_profile, it.name)
-            }
-        }
-    }
 }

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

@@ -17,7 +17,9 @@ import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import com.google.android.material.color.MaterialColors
 import com.google.android.material.snackbar.Snackbar
+import com.google.android.material.transition.MaterialSharedAxis
 import kotlinx.coroutines.launch
 import net.vonforst.evmap.MapsActivity
 import net.vonforst.evmap.R
@@ -43,6 +45,12 @@ class FilterProfilesFragment : Fragment() {
     private var deleteSnackbar: Snackbar? = null
     private var toDelete: FilterProfile? = null
 
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enterTransition = MaterialSharedAxis(MaterialSharedAxis.Z, true)
+        returnTransition = MaterialSharedAxis(MaterialSharedAxis.Z, false)
+    }
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -58,6 +66,11 @@ class FilterProfilesFragment : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         (requireActivity() as AppCompatActivity).setSupportActionBar(binding.toolbar)
 
+        binding.toolbar.setupWithNavController(
+            findNavController(),
+            (requireActivity() as MapsActivity).appBarConfiguration
+        )
+
         touchHelper = ItemTouchHelper(object : ItemTouchHelper.SimpleCallback(
             ItemTouchHelper.UP or ItemTouchHelper.DOWN,
             ItemTouchHelper.RIGHT or ItemTouchHelper.LEFT
@@ -201,14 +214,9 @@ class FilterProfilesFragment : Fragment() {
         binding.toolbar.setNavigationOnClickListener {
             findNavController().popBackStack()
         }
-    }
 
-    override fun onResume() {
-        super.onResume()
-        binding.toolbar.setupWithNavController(
-            findNavController(),
-            (requireActivity() as MapsActivity).appBarConfiguration
-        )
+        // Workaround for AndroidX bug: https://github.com/material-components/material-components-android/issues/1984
+        view.setBackgroundColor(MaterialColors.getColor(view, android.R.attr.windowBackground))
     }
 
     fun delete(fp: FilterProfile) {

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

@@ -32,6 +32,7 @@ import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.Observer
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.findNavController
+import androidx.navigation.fragment.FragmentNavigatorExtras
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.fragment.navArgs
 import androidx.navigation.ui.setupWithNavController
@@ -53,6 +54,8 @@ import com.car2go.maps.model.MarkerOptions
 import com.google.android.material.snackbar.Snackbar
 import com.google.android.material.transition.MaterialArcMotion
 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
@@ -147,8 +150,13 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
             .build()
         locationClient.connect()
         clusterIconGenerator = ClusterIconGenerator(requireContext())
+
+        enterTransition = MaterialFadeThrough()
+        exitTransition = MaterialFadeThrough()
     }
 
+    private val mapFragmentTag = "map"
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -159,6 +167,10 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         binding.vm = vm
 
         val provider = prefs.mapProvider
+        if (mapFragment == null) {
+            mapFragment =
+                requireActivity().supportFragmentManager.findFragmentByTag(mapFragmentTag) as MapFragment?
+        }
         if (mapFragment == null || mapFragment!!.priority[0] != provider) {
             mapFragment = MapFragment()
             mapFragment!!.priority = arrayOf(
@@ -172,7 +184,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
             )
             requireActivity().supportFragmentManager
                 .beginTransaction()
-                .replace(R.id.map, mapFragment!!)
+                .replace(R.id.map, mapFragment!!, mapFragmentTag)
                 .commit()
 
             // reset map-related stuff (map provider may have changed)
@@ -194,7 +206,11 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
             val density = resources.displayMetrics.density
             // status bar height + toolbar height + margin
             val margin =
-                insets.systemWindowInsetTop + (48 * density).toInt() + (24 * density).toInt()
+                if (binding.toolbarContainer.layoutParams.width == ViewGroup.LayoutParams.MATCH_PARENT) {
+                    insets.systemWindowInsetTop + (48 * density).toInt() + (28 * density).toInt()
+                } else {
+                    insets.systemWindowInsetTop + (12 * density).toInt()
+                }
             binding.fabLayers.updateLayoutParams<ViewGroup.MarginLayoutParams> {
                 topMargin = margin
             }
@@ -234,6 +250,11 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         setupAdapters()
         (activity as? MapsActivity)?.setSupportActionBar(binding.toolbar)
 
+        binding.toolbar.setupWithNavController(
+            findNavController(),
+            (requireActivity() as MapsActivity).appBarConfiguration
+        )
+
         if (prefs.appStartCounter > 5 && !prefs.opensourceDonationsDialogShown) {
             try {
                 findNavController().navigate(R.id.action_map_to_opensource_donations)
@@ -250,6 +271,32 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 // when there is already another navigation going on
             }
         }*/
+
+        val fragmentArgs: MapFragmentArgs by navArgs()
+        if (savedInstanceState == null && fragmentArgs.appStart) {
+            // logo animation after starting the app
+            binding.appLogo.root.visibility = View.VISIBLE
+            binding.appLogo.root.alpha = 0f
+            binding.search.visibility = View.GONE
+
+            binding.appLogo.root.animate().alpha(1f)
+                .withEndAction {
+                    binding.appLogo.root.animate().alpha(0f).apply {
+                        startDelay = 1000
+                    }.withEndAction {
+                        binding.appLogo.root.visibility = View.GONE
+                        binding.search.visibility = View.VISIBLE
+                        binding.search.alpha = 0f
+                        binding.search.animate().alpha(1f).start()
+                    }.start()
+                }.apply {
+                    startDelay = 100
+                }.start()
+            arguments = fragmentArgs.copy(appStart = false).toBundle()
+        } else {
+            binding.appLogo.root.visibility = View.GONE
+            binding.search.visibility = View.VISIBLE
+        }
     }
 
     override fun onResume() {
@@ -257,12 +304,6 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         val hostActivity = activity as? MapsActivity ?: return
         hostActivity.fragmentCallback = this
 
-        val navController = findNavController()
-        binding.toolbar.setupWithNavController(
-            navController,
-            (requireActivity() as MapsActivity).appBarConfiguration
-        )
-
         vm.reloadPrefs()
         if (requestingLocationUpdates && requireContext().checkAnyLocationPermission()
             && locationClient.isConnected
@@ -311,9 +352,12 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 OpenChargeMapApiWrapper::class.java -> "open_charge_map"
                 else -> throw IllegalArgumentException("unsupported data source")
             }
+            val extras =
+                FragmentNavigatorExtras(binding.detailView.btnChargeprice to getString(R.string.shared_element_chargeprice))
             findNavController().navigate(
                 R.id.action_map_to_chargepriceFragment,
-                ChargepriceFragmentArgs(charger, dataSource).toBundle()
+                ChargepriceFragmentArgs(charger, dataSource).toBundle(),
+                null, extras
             )
         }
         binding.detailView.topPart.setOnClickListener {
@@ -392,6 +436,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         binding.search.onFocusChangeListener = View.OnFocusChangeListener { v, hasFocus ->
             if (hasFocus) {
                 binding.search.keyListener = searchKeyListener
+                binding.search.text = binding.search.text  // workaround to fix copy/paste
             } else {
                 binding.search.keyListener = null
             }
@@ -417,36 +462,46 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
 
     private fun openLayersMenu() {
         binding.fabLayers.tag = false
-        val materialTransform = MaterialContainerTransform().apply {
-            startView = binding.fabLayers
-            endView = binding.layersSheet
-            setPathMotion(MaterialArcMotion())
-            duration = 250
-            scrimColor = Color.TRANSPARENT
-        }
-        TransitionManager.beginDelayedTransition(binding.root, materialTransform)
-        vm.layersMenuOpen.value = true
+
+        binding.fabLayers.postDelayed({
+            val materialTransform = MaterialContainerTransform().apply {
+                startView = binding.fabLayers
+                endView = binding.layersSheet
+                setPathMotion(MaterialArcMotion())
+                duration = 250
+                scrimColor = Color.TRANSPARENT
+                addTarget(binding.layersSheet)
+                isElevationShadowEnabled = false
+            }
+            TransitionManager.beginDelayedTransition(binding.root, materialTransform)
+            vm.layersMenuOpen.value = true
+        }, 100)
     }
 
     private fun closeLayersMenu() {
         binding.fabLayers.tag = true
-        val materialTransform = MaterialContainerTransform().apply {
-            startView = binding.layersSheet
-            endView = binding.fabLayers
-            setPathMotion(MaterialArcMotion())
-            duration = 200
-            scrimColor = Color.TRANSPARENT
-        }
-        TransitionManager.beginDelayedTransition(binding.root, materialTransform)
-        vm.layersMenuOpen.value = false
+
+        binding.fabLayers.postDelayed({
+            val materialTransform = MaterialContainerTransform().apply {
+                startView = binding.layersSheet
+                endView = binding.fabLayers
+                setPathMotion(MaterialArcMotion())
+                duration = 200
+                scrimColor = Color.TRANSPARENT
+                addTarget(binding.fabLayers)
+                isElevationShadowEnabled = false
+            }
+            TransitionManager.beginDelayedTransition(binding.root, materialTransform)
+            vm.layersMenuOpen.value = false
+        }, 100)
     }
 
     private fun toggleFavorite() {
         val favs = vm.favorites.value ?: return
         val charger = vm.chargerSparse.value ?: return
-        val isFav = favs.find { it.id == charger.id } != null
-        if (isFav) {
-            vm.deleteFavorite(charger)
+        val fav = favs.find { it.charger.id == charger.id }
+        if (fav != null) {
+            vm.deleteFavorite(fav.favorite)
         } else {
             vm.insertFavorite(charger)
         }
@@ -456,7 +511,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 highlight = true,
                 fault = charger.faultReport != null,
                 multi = charger.isMulti(vm.filteredConnectors.value),
-                fav = !isFav
+                fav = fav == null
             )
         )
     }
@@ -557,8 +612,8 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
             updateBackPressedCallback()
         })
         vm.layersMenuOpen.observe(viewLifecycleOwner, Observer { open ->
-            binding.fabLayers.visibility = if (open) View.GONE else View.VISIBLE
-            binding.layersSheet.visibility = if (open) View.VISIBLE else View.GONE
+            binding.fabLayers.visibility = if (open) View.INVISIBLE else View.VISIBLE
+            binding.layersSheet.visibility = if (open) View.VISIBLE else View.INVISIBLE
             updateBackPressedCallback()
         })
         vm.mapType.observe(viewLifecycleOwner, Observer {
@@ -587,7 +642,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                     highlight = false,
                     fault = c.faultReport != null,
                     multi = c.isMulti(vm.filteredConnectors.value),
-                    fav = c.id in vm.favorites.value?.map { it.id } ?: emptyList()
+                    fav = c.id in vm.favorites.value?.map { it.charger.id } ?: emptyList()
                 )
             )
         }
@@ -602,7 +657,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                 highlight = true,
                 fault = charger.faultReport != null,
                 multi = charger.isMulti(vm.filteredConnectors.value),
-                fav = charger.id in vm.favorites.value?.map { it.id } ?: emptyList()
+                fav = charger.id in vm.favorites.value?.map { it.charger.id } ?: emptyList()
             )
         )
         animator.animateMarkerBounce(marker)
@@ -616,7 +671,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                         highlight = false,
                         fault = c.faultReport != null,
                         multi = c.isMulti(vm.filteredConnectors.value),
-                        fav = c.id in vm.favorites.value?.map { it.id } ?: emptyList()
+                        fav = c.id in vm.favorites.value?.map { it.charger.id } ?: emptyList()
                     )
                 )
             }
@@ -626,7 +681,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
     private fun updateFavoriteToggle() {
         val favs = vm.favorites.value ?: return
         val charger = vm.chargerSparse.value ?: return
-        if (favs.find { it.id == charger.id } != null) {
+        if (favs.find { it.charger.id == charger.id } != null) {
             favToggle.setIcon(R.drawable.ic_fav)
         } else {
             favToggle.setIcon(R.drawable.ic_fav_no)
@@ -877,7 +932,11 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         } else if (locationName != null) {
             lifecycleScope.launch {
                 val address = withContext(Dispatchers.IO) {
-                    Geocoder(requireContext()).getFromLocationName(locationName, 1).getOrNull(0)
+                    try {
+                        Geocoder(requireContext()).getFromLocationName(locationName, 1).getOrNull(0)
+                    } catch (e: IOException) {
+                        null
+                    }
                 }
                 address?.let {
                     val latLng = LatLng(it.latitude, it.longitude)
@@ -964,7 +1023,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                     highlight = charger == vm.chargerSparse.value,
                     fault = charger.faultReport != null,
                     multi = charger.isMulti(vm.filteredConnectors.value),
-                    fav = charger.id in vm.favorites.value?.map { it.id } ?: emptyList()
+                    fav = charger.id in vm.favorites.value?.map { it.charger.id } ?: emptyList()
                 )
             )
         }
@@ -982,7 +1041,8 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                         val highlight = charger == vm.chargerSparse.value
                         val fault = charger.faultReport != null
                         val multi = charger.isMulti(vm.filteredConnectors.value)
-                        val fav = charger.id in vm.favorites.value?.map { it.id } ?: emptyList()
+                        val fav =
+                            charger.id in vm.favorites.value?.map { it.charger.id } ?: emptyList()
                         animator.animateMarkerDisappear(marker, tint, highlight, fault, multi, fav)
                     } else {
                         animator.deleteMarker(marker)
@@ -998,7 +1058,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                     val highlight = charger == vm.chargerSparse.value
                     val fault = charger.faultReport != null
                     val multi = charger.isMulti(vm.filteredConnectors.value)
-                    val fav = charger.id in vm.favorites.value?.map { it.id } ?: emptyList()
+                    val fav = charger.id in vm.favorites.value?.map { it.charger.id } ?: emptyList()
                     val marker = map.addMarker(
                         MarkerOptions()
                             .position(LatLng(charger.coordinates.lat, charger.coordinates.lng))
@@ -1070,12 +1130,18 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         filterView?.setOnClickListener {
             var profilesMap: MutableBiMap<Long, MenuItem> = HashBiMap()
 
-            val popup = PopupMenu(requireContext(), it, Gravity.END)
+            val popup = PopupMenu(
+                ContextThemeWrapper(requireContext(), R.style.RoundedPopup),
+                it,
+                Gravity.END
+            )
             popup.menuInflater.inflate(R.menu.popup_filter, popup.menu)
             MenuCompat.setGroupDividerEnabled(popup.menu, true)
             popup.setOnMenuItemClickListener {
                 when (it.itemId) {
                     R.id.menu_edit_filters -> {
+                        exitTransition = MaterialSharedAxis(MaterialSharedAxis.Z, true)
+                        reenterTransition = MaterialSharedAxis(MaterialSharedAxis.Z, false)
                         lifecycleScope.launch {
                             vm.copyFiltersToCustom()
                             requireView().findNavController().navigate(
@@ -1085,6 +1151,8 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
                         true
                     }
                     R.id.menu_manage_filter_profiles -> {
+                        exitTransition = MaterialSharedAxis(MaterialSharedAxis.Z, true)
+                        reenterTransition = MaterialSharedAxis(MaterialSharedAxis.Z, false)
                         requireView().findNavController().navigate(
                             R.id.action_map_to_filterProfilesFragment
                         )

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

@@ -4,6 +4,7 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.view.WindowManager
 import androidx.appcompat.app.AppCompatDialogFragment
 import androidx.core.widget.doAfterTextChanged
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -14,6 +15,7 @@ import net.vonforst.evmap.databinding.DialogMultiSelectBinding
 import java.util.*
 import kotlin.collections.HashMap
 import kotlin.collections.HashSet
+import kotlin.math.roundToInt
 
 class MultiSelectDialog : AppCompatDialogFragment() {
     companion object {
@@ -53,9 +55,13 @@ class MultiSelectDialog : AppCompatDialogFragment() {
     override fun onStart() {
         super.onStart()
 
+        val density = resources.displayMetrics.density
+        val width = resources.displayMetrics.widthPixels
+        val maxWidth = (500 * density).roundToInt()
+
         // dialog with 95% screen height
         dialog?.window?.setLayout(
-            ViewGroup.LayoutParams.MATCH_PARENT,
+            if (width < maxWidth) WindowManager.LayoutParams.MATCH_PARENT else maxWidth,
             (resources.displayMetrics.heightPixels * 0.95).toInt()
         )
     }

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

@@ -52,8 +52,17 @@ class OnboardingFragment : Fragment() {
 
             override fun onPageSelected(position: Int) {
                 binding.pageIndicatorView.selection = position
+                binding.forward?.visibility =
+                    if (position == adapter.itemCount - 1) View.INVISIBLE else View.VISIBLE
+                binding.backward?.visibility = if (position == 0) View.INVISIBLE else View.VISIBLE
             }
         })
+        binding.forward?.setOnClickListener {
+            binding.viewPager.setCurrentItem(binding.viewPager.currentItem + 1, true)
+        }
+        binding.backward?.setOnClickListener {
+            binding.viewPager.setCurrentItem(binding.viewPager.currentItem - 1, true)
+        }
 
         return binding.root
     }

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

@@ -1,11 +1,15 @@
 package net.vonforst.evmap.fragment.preference
 
 import android.os.Bundle
+import android.view.View
 import androidx.appcompat.widget.Toolbar
 import androidx.navigation.fragment.findNavController
 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.transition.MaterialFadeThrough
+import com.google.android.material.transition.MaterialSharedAxis
 import com.mikepenz.aboutlibraries.LibsBuilder
 import net.vonforst.evmap.BuildConfig
 import net.vonforst.evmap.MapsActivity
@@ -13,14 +17,23 @@ import net.vonforst.evmap.R
 
 
 class AboutFragment : PreferenceFragmentCompat() {
-    override fun onResume() {
-        super.onResume()
-        val toolbar = requireView().findViewById(R.id.toolbar) as Toolbar
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enterTransition = MaterialFadeThrough()
+        exitTransition = MaterialFadeThrough()
+    }
 
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        val toolbar = view.findViewById<Toolbar>(R.id.toolbar)
         toolbar.setupWithNavController(
             findNavController(),
             (requireActivity() as MapsActivity).appBarConfiguration
         )
+
+        // Workaround for AndroidX bug: https://github.com/material-components/material-components-android/issues/1984
+        view.setBackgroundColor(MaterialColors.getColor(view, android.R.attr.windowBackground))
     }
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
@@ -29,8 +42,8 @@ class AboutFragment : PreferenceFragmentCompat() {
         findPreference<Preference>("version")?.summary = BuildConfig.VERSION_NAME
     }
 
-    override fun onPreferenceTreeClick(preference: Preference?): Boolean {
-        return when (preference?.key) {
+    override fun onPreferenceTreeClick(preference: Preference): Boolean {
+        return when (preference.key) {
             "github_link" -> {
                 (activity as? MapsActivity)?.openUrl(getString(R.string.github_link))
                 true
@@ -54,6 +67,8 @@ class AboutFragment : PreferenceFragmentCompat() {
                 true
             }
             "donate" -> {
+                exitTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
+                reenterTransition = MaterialSharedAxis(MaterialSharedAxis.X, false)
                 findNavController().navigate(R.id.action_about_to_donateFragment)
                 true
             }

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

@@ -7,6 +7,9 @@ import androidx.appcompat.widget.Toolbar
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.ui.setupWithNavController
 import androidx.preference.PreferenceFragmentCompat
+import com.google.android.material.color.MaterialColors
+import com.google.android.material.transition.MaterialFadeThrough
+import com.google.android.material.transition.MaterialSharedAxis
 import net.vonforst.evmap.MapsActivity
 import net.vonforst.evmap.R
 import net.vonforst.evmap.storage.PreferenceDataSource
@@ -14,27 +17,42 @@ import net.vonforst.evmap.storage.PreferenceDataSource
 abstract class BaseSettingsFragment : PreferenceFragmentCompat(),
     SharedPreferences.OnSharedPreferenceChangeListener {
     protected lateinit var prefs: PreferenceDataSource
+    protected abstract val isTopLevel: Boolean
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        if (isTopLevel) {
+            enterTransition = MaterialFadeThrough()
+            exitTransition = MaterialFadeThrough()
+        } else {
+            enterTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
+            returnTransition = MaterialSharedAxis(MaterialSharedAxis.X, false)
+        }
+    }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+
+        val toolbar = view.findViewById<Toolbar>(R.id.toolbar)
+        toolbar.setupWithNavController(
+            findNavController(),
+            (requireActivity() as MapsActivity).appBarConfiguration
+        )
+
         prefs = PreferenceDataSource(requireContext())
+
+        // Workaround for AndroidX bug: https://github.com/material-components/material-components-android/issues/1984
+        view.setBackgroundColor(MaterialColors.getColor(view, android.R.attr.windowBackground))
     }
 
     override fun onResume() {
         super.onResume()
-        preferenceManager.sharedPreferences.registerOnSharedPreferenceChangeListener(this)
-
-        val navController = findNavController()
-        val toolbar = requireView().findViewById(R.id.toolbar) as Toolbar
-        toolbar.setupWithNavController(
-            navController,
-            (requireActivity() as MapsActivity).appBarConfiguration
-        )
+        preferenceManager.sharedPreferences?.registerOnSharedPreferenceChangeListener(this)
     }
 
     override fun onPause() {
-        preferenceManager.sharedPreferences
-            .unregisterOnSharedPreferenceChangeListener(this)
+        preferenceManager.sharedPreferences?.unregisterOnSharedPreferenceChangeListener(this)
         super.onPause()
     }
 }

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

@@ -10,6 +10,8 @@ import net.vonforst.evmap.viewmodel.SettingsViewModel
 import net.vonforst.evmap.viewmodel.viewModelFactory
 
 class ChargepriceSettingsFragment : BaseSettingsFragment() {
+    override val isTopLevel = false
+
     private val vm: SettingsViewModel by viewModels(factoryProducer = {
         viewModelFactory {
             SettingsViewModel(

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

@@ -11,6 +11,8 @@ import net.vonforst.evmap.viewmodel.SettingsViewModel
 import net.vonforst.evmap.viewmodel.viewModelFactory
 
 class DataSettingsFragment : BaseSettingsFragment() {
+    override val isTopLevel = false
+
     private val vm: SettingsViewModel by viewModels(factoryProducer = {
         viewModelFactory {
             SettingsViewModel(
@@ -45,8 +47,8 @@ class DataSettingsFragment : BaseSettingsFragment() {
         }
     }
 
-    override fun onPreferenceTreeClick(preference: Preference?): Boolean {
-        return when (preference?.key) {
+    override fun onPreferenceTreeClick(preference: Preference): Boolean {
+        return when (preference.key) {
             "search_delete_recent" -> {
                 Snackbar.make(
                     requireView(),

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

@@ -7,13 +7,15 @@ import net.vonforst.evmap.R
 
 
 class SettingsFragment : BaseSettingsFragment() {
+    override val isTopLevel = true
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
     }
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
-        setPreferencesFromResource(R.xml.settings, rootKey)
+        addPreferencesFromResource(R.xml.settings)
+        addPreferencesFromResource(R.xml.settings_variantspecific)
     }
 
     override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {

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

@@ -6,6 +6,8 @@ import net.vonforst.evmap.R
 import net.vonforst.evmap.ui.updateNightMode
 
 class UiSettingsFragment : BaseSettingsFragment() {
+    override val isTopLevel = false
+
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.settings_ui, rootKey)
     }

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

@@ -10,6 +10,7 @@ import androidx.navigation.fragment.findNavController
 import net.vonforst.evmap.R
 import net.vonforst.evmap.databinding.DialogOpensourceDonationsBinding
 import net.vonforst.evmap.storage.PreferenceDataSource
+import kotlin.math.roundToInt
 
 class OpensourceDonationsDialogFramgent : AppCompatDialogFragment() {
     private lateinit var binding: DialogOpensourceDonationsBinding
@@ -43,8 +44,13 @@ class OpensourceDonationsDialogFramgent : AppCompatDialogFragment() {
 
     override fun onStart() {
         super.onStart()
+
+        val density = resources.displayMetrics.density
+        val width = resources.displayMetrics.widthPixels
+        val maxWidth = (500 * density).roundToInt()
+
         dialog?.window?.setLayout(
-            WindowManager.LayoutParams.MATCH_PARENT,
+            if (width < maxWidth) WindowManager.LayoutParams.MATCH_PARENT else maxWidth,
             WindowManager.LayoutParams.WRAP_CONTENT
         )
     }

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

@@ -24,6 +24,36 @@ import kotlin.math.floor
 
 sealed class ChargepointListItem
 
+
+/**
+ * A whole charging site (potentially with multiple chargepoints).
+ *
+ * @param id A unique number per charging site
+ * @param dataSource The name of the data source
+ * @param coordinates The latitude / longitude of this charge location
+ * @param address The charge location address
+ * @param chargepoints List of chargepoints at this location
+ * @param network The charging network (Mobility Service Provider, MSP)
+ * @param url A link to this charging site
+ * @param editUrl A link to a website where this charging site can be edited
+ * @param faultReport Set this if the charging site is reported to be out of service
+ * @param verified For crowdsourced data sources, this means that the data has been verified
+ *   by an independent person
+ * @param barrierFree Whether this charge location can be used without prior registration
+ * @param operator The operator of this charge location (Charge Point Operator, CPO)
+ * @param generalInformation General information about this charging site that does not fit anywhere else
+ * @param amenities Description of amenities available at or near the charging site (toilets, food, accommodation, landmarks, etc.)
+ * @param locationDescription Directions on how to find the charger (e.g. "In the parking garage on level 5")
+ * @param photos List of photos of this charging site
+ * @param chargecards List of charge cards accepted here
+ * @param openinghours List of times when this charging site can be accessed / used
+ * @param cost The cost for charging and/or parking
+ * @param license How the data about this chargepoint is licensed
+ * @param chargepriceData Additional data needed for the Chargeprice implementation
+ * @param timeRetrieved Time when this information was retrieved from the data source
+ * @param isDetailed Whether this data includes all available details (for many data sources,
+ *                   API calls that return a list may only give a compact representation)
+ */
 @Entity(primaryKeys = ["id", "dataSource"])
 @Parcelize
 data class ChargeLocation(
@@ -31,7 +61,7 @@ data class ChargeLocation(
     val dataSource: String,
     val name: String,
     @Embedded val coordinates: Coordinate,
-    @Embedded val address: Address,
+    @Embedded val address: Address?,
     val chargepoints: List<Chargepoint>,
     val network: String?,
     val url: String,
@@ -49,12 +79,14 @@ data class ChargeLocation(
     @Embedded val openinghours: OpeningHours?,
     @Embedded val cost: Cost?,
     val license: String?,
-    @Embedded(prefix = "chargeprice") val chargepriceData: ChargepriceData?
+    @Embedded(prefix = "chargeprice") val chargepriceData: ChargepriceData?,
+    val timeRetrieved: Instant,
+    val isDetailed: Boolean
 ) : ChargepointListItem(), Equatable, Parcelable {
     /**
      * maximum power available from this charger.
      */
-    val maxPower: Double
+    val maxPower: Double?
         get() {
             return maxPower()
         }
@@ -62,17 +94,20 @@ data class ChargeLocation(
     /**
      * Gets the maximum power available from certain connectors of this charger.
      */
-    fun maxPower(connectors: Set<String>? = null): Double {
-        return chargepoints.filter { connectors?.contains(it.type) ?: true }
-            .map { it.power }.maxOrNull() ?: 0.0
+    fun maxPower(connectors: Set<String>? = null): Double? {
+        return chargepoints
+            .filter { connectors?.contains(it.type) ?: true }
+            .mapNotNull { it.power }
+            .maxOrNull()
     }
 
     fun isMulti(filteredConnectors: Set<String>? = null): Boolean {
         var chargepoints = chargepointsMerged
             .filter { filteredConnectors?.contains(it.type) ?: true }
-        if (maxPower(filteredConnectors) >= 43) {
+        val chargepointMaxPower = maxPower(filteredConnectors)
+        if (chargepointMaxPower != null && chargepointMaxPower >= 43) {
             // fast charger -> only count fast chargers
-            chargepoints = chargepoints.filter { it.power >= 43 }
+            chargepoints = chargepoints.filter {it.power != null && it.power >= 43 }
         }
         val connectors = chargepoints.map { it.type }.distinct().toSet()
 
@@ -152,7 +187,7 @@ data class Cost(
             val parking =
                 if (freeparking) ctx.getString(R.string.free) else ctx.getString(R.string.paid)
             return if (emoji) {
-                "⚡ $parking"
+                "\uD83C\uDD7F $parking"
             } else {
                 HtmlCompat.fromHtml(ctx.getString(R.string.cost_detail_parking, parking), 0)
             }
@@ -294,11 +329,29 @@ data class Address(
     }
 }
 
+/**
+ * One socket with a certain power, which may be available multiple times at a ChargeLocation.
+ */
 @Parcelize
 @JsonClass(generateAdapter = true)
-data class Chargepoint(val type: String, val power: Double, val count: Int) : Equatable,
-    Parcelable {
-    fun formatPower(): String {
+data class Chargepoint(
+    // The chargepoint type (use one of the constants in the companion object)
+    val type: String,
+    // Power in kW (or null if unknown)
+    val power: Double?,
+    // How many instances of this plug/socket are available?
+    val count: Int,
+) : Equatable, Parcelable {
+    fun hasKnownPower(): Boolean = power != null
+
+    /**
+     * If chargepoint power is defined, format it into a string.
+     * Otherwise, return null.
+     */
+    fun formatPower(): String? {
+        if (power == null) {
+            return null
+        }
         val powerFmt = if (power - power.toInt() == 0.0) {
             "%.0f".format(power)
         } else {

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

@@ -0,0 +1,28 @@
+package net.vonforst.evmap.model
+
+import androidx.room.*
+
+@Entity(
+    foreignKeys = [
+        ForeignKey(
+            entity = ChargeLocation::class,
+            parentColumns = arrayOf("id", "dataSource"),
+            childColumns = arrayOf("chargerId", "chargerDataSource"),
+            onDelete = ForeignKey.NO_ACTION,
+        )
+    ],
+    indices = [
+        Index(value = ["chargerId", "chargerDataSource"])
+    ]
+)
+data class Favorite(
+    @PrimaryKey(autoGenerate = true)
+    val favoriteId: Long = 0,
+    val chargerId: Long,
+    val chargerDataSource: String
+)
+
+data class FavoriteWithDetail(
+    @Embedded() val favorite: Favorite,
+    @Embedded val charger: ChargeLocation
+)

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

@@ -3,6 +3,7 @@ package net.vonforst.evmap.model
 import androidx.databinding.BaseObservable
 import androidx.room.Entity
 import androidx.room.ForeignKey
+import androidx.room.Index
 import net.vonforst.evmap.adapter.Equatable
 import net.vonforst.evmap.storage.FilterProfile
 import kotlin.reflect.KClass
@@ -59,7 +60,10 @@ sealed class FilterValue : BaseObservable(), Equatable {
         childColumns = arrayOf("profile", "dataSource"),
         onDelete = ForeignKey.CASCADE
     )],
-    primaryKeys = ["key", "profile", "dataSource"]
+    primaryKeys = ["key", "profile", "dataSource"],
+    indices = [
+        Index(value = ["profile", "dataSource"])
+    ]
 )
 data class BooleanFilterValue(
     override val key: String,
@@ -77,7 +81,10 @@ data class BooleanFilterValue(
         childColumns = arrayOf("profile", "dataSource"),
         onDelete = ForeignKey.CASCADE
     )],
-    primaryKeys = ["key", "profile", "dataSource"]
+    primaryKeys = ["key", "profile", "dataSource"],
+    indices = [
+        Index(value = ["profile", "dataSource"])
+    ]
 )
 data class MultipleChoiceFilterValue(
     override val key: String,
@@ -101,7 +108,10 @@ data class MultipleChoiceFilterValue(
         childColumns = arrayOf("profile", "dataSource"),
         onDelete = ForeignKey.CASCADE
     )],
-    primaryKeys = ["key", "profile", "dataSource"]
+    primaryKeys = ["key", "profile", "dataSource"],
+    indices = [
+        Index(value = ["profile", "dataSource"])
+    ]
 )
 data class SliderFilterValue(
     override val key: String,

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

@@ -20,6 +20,7 @@ import net.vonforst.evmap.model.*
 @Database(
     entities = [
         ChargeLocation::class,
+        Favorite::class,
         BooleanFilterValue::class,
         MultipleChoiceFilterValue::class,
         SliderFilterValue::class,
@@ -31,11 +32,12 @@ import net.vonforst.evmap.model.*
         OCMConnectionType::class,
         OCMCountry::class,
         OCMOperator::class
-    ], version = 14
+    ], version = 18
 )
 @TypeConverters(Converters::class)
 abstract class AppDatabase : RoomDatabase() {
     abstract fun chargeLocationsDao(): ChargeLocationsDao
+    abstract fun favoritesDao(): FavoritesDao
     abstract fun filterValueDao(): FilterValueDao
     abstract fun filterProfileDao(): FilterProfileDao
     abstract fun recentAutocompletePlaceDao(): RecentAutocompletePlaceDao
@@ -53,7 +55,8 @@ abstract class AppDatabase : RoomDatabase() {
                 .addMigrations(
                     MIGRATION_2, MIGRATION_3, MIGRATION_4, MIGRATION_5, MIGRATION_6,
                     MIGRATION_7, MIGRATION_8, MIGRATION_9, MIGRATION_10, MIGRATION_11,
-                    MIGRATION_12, MIGRATION_13, MIGRATION_14
+                    MIGRATION_12, MIGRATION_13, MIGRATION_14, MIGRATION_15, MIGRATION_16,
+                    MIGRATION_17, MIGRATION_18
                 )
                 .addCallback(object : Callback() {
                     override fun onCreate(db: SupportSQLiteDatabase) {
@@ -312,5 +315,66 @@ abstract class AppDatabase : RoomDatabase() {
             }
 
         }
+
+        private val MIGRATION_15 = object : Migration(14, 15) {
+            @SuppressLint("Range")
+            override fun migrate(db: SupportSQLiteDatabase) {
+                try {
+                    db.beginTransaction()
+                    db.execSQL("CREATE TABLE IF NOT EXISTS `Favorite` (`favoriteId` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `chargerId` INTEGER NOT NULL, `chargerDataSource` TEXT NOT NULL, FOREIGN KEY(`chargerId`, `chargerDataSource`) REFERENCES `ChargeLocation`(`id`, `dataSource`) ON UPDATE NO ACTION ON DELETE RESTRICT )");
+
+                    val cursor = db.query("SELECT * FROM `ChargeLocation`")
+                    while (cursor.moveToNext()) {
+                        val id = cursor.getLong(cursor.getColumnIndex("id"))
+                        val dataSource = cursor.getString(cursor.getColumnIndex("dataSource"))
+                        val values = ContentValues().apply {
+                            put("chargerId", id)
+                            put("chargerDataSource", dataSource)
+                        }
+                        db.insert("favorite", SQLiteDatabase.CONFLICT_ROLLBACK, values)
+                    }
+
+                    db.setTransactionSuccessful()
+                } finally {
+                    db.endTransaction()
+                }
+            }
+        }
+
+        private val MIGRATION_16 = object : Migration(15, 16) {
+            override fun migrate(db: SupportSQLiteDatabase) {
+                db.execSQL("ALTER TABLE `ChargeLocation` ADD `timeRetrieved` INTEGER NOT NULL DEFAULT 0")
+                db.execSQL("ALTER TABLE `ChargeLocation` ADD `isDetailed` INTEGER NOT NULL DEFAULT 0")
+            }
+        }
+
+        private val MIGRATION_17 = object : Migration(16, 17) {
+            override fun migrate(db: SupportSQLiteDatabase) {
+                db.execSQL("CREATE INDEX IF NOT EXISTS `index_Favorite_chargerId_chargerDataSource` ON `Favorite` (`chargerId`, `chargerDataSource`)")
+                db.execSQL("CREATE INDEX IF NOT EXISTS `index_BooleanFilterValue_profile_dataSource` ON `BooleanFilterValue` (`profile`, `dataSource`)")
+                db.execSQL("CREATE INDEX IF NOT EXISTS `index_MultipleChoiceFilterValue_profile_dataSource` ON `MultipleChoiceFilterValue` (`profile`, `dataSource`)")
+                db.execSQL("CREATE INDEX IF NOT EXISTS `index_SliderFilterValue_profile_dataSource` ON `SliderFilterValue` (`profile`, `dataSource`)")
+            }
+        }
+
+        private val MIGRATION_18 = object : Migration(17, 18) {
+            override fun migrate(db: SupportSQLiteDatabase) {
+                try {
+                    db.beginTransaction()
+                    db.execSQL("CREATE TABLE IF NOT EXISTS `FavoriteNew` (`favoriteId` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `chargerId` INTEGER NOT NULL, `chargerDataSource` TEXT NOT NULL, FOREIGN KEY(`chargerId`, `chargerDataSource`) REFERENCES `ChargeLocation`(`id`, `dataSource`) ON UPDATE NO ACTION ON DELETE NO ACTION )");
+                    val columnList =
+                        "`favoriteId`,`chargerId`,`chargerDataSource`"
+                    db.execSQL("INSERT INTO `FavoriteNew`($columnList) SELECT $columnList FROM `Favorite`")
+                    db.execSQL("DROP TABLE `Favorite`")
+                    db.execSQL("ALTER TABLE `FavoriteNew` RENAME TO `Favorite`")
+                    db.execSQL("CREATE INDEX IF NOT EXISTS `index_Favorite_chargerId_chargerDataSource` ON `Favorite` (`chargerId`, `chargerDataSource`)")
+
+                    db.setTransactionSuccessful()
+                } finally {
+                    db.endTransaction()
+                }
+            }
+
+        }
     }
 }

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

@@ -0,0 +1,32 @@
+package net.vonforst.evmap.storage
+
+import androidx.lifecycle.LiveData
+import androidx.room.*
+import net.vonforst.evmap.model.Favorite
+import net.vonforst.evmap.model.FavoriteWithDetail
+
+@Dao
+interface FavoritesDao {
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insert(vararg favorites: Favorite): List<Long>
+
+    @Delete
+    suspend fun delete(vararg favorites: Favorite)
+
+    @Query("SELECT * FROM favorite LEFT JOIN chargelocation ON favorite.chargerDataSource = chargelocation.dataSource AND favorite.chargerId = chargelocation.id")
+    fun getAllFavorites(): LiveData<List<FavoriteWithDetail>>
+
+    @Query("SELECT * FROM favorite LEFT JOIN chargelocation ON favorite.chargerDataSource = chargelocation.dataSource AND favorite.chargerId = chargelocation.id")
+    suspend fun getAllFavoritesAsync(): List<FavoriteWithDetail>
+
+    @Query("SELECT * FROM favorite LEFT JOIN chargelocation ON favorite.chargerDataSource = chargelocation.dataSource AND favorite.chargerId = chargelocation.id WHERE lat >= :lat1 AND lat <= :lat2 AND lng >= :lng1 AND lng <= :lng2")
+    suspend fun getFavoritesInBoundsAsync(
+        lat1: Double,
+        lat2: Double,
+        lng1: Double,
+        lng2: Double
+    ): List<FavoriteWithDetail>
+
+    @Query("SELECT * FROM favorite WHERE chargerDataSource == :dataSource AND chargerId == :chargerId")
+    suspend fun findFavorite(chargerId: Long, dataSource: String): Favorite?
+}

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

@@ -151,6 +151,12 @@ class PreferenceDataSource(val context: Context) {
             sp.edit().putBoolean("chargeprice_show_provider_customer_tariffs", value).apply()
         }
 
+    var chargepriceAllowUnbalancedLoad: Boolean
+        get() = sp.getBoolean("chargeprice_allow_unbalanced_load", false)
+        set(value) {
+            sp.edit().putBoolean("chargeprice_allow_unbalanced_load", value).apply()
+        }
+
     var chargepriceCurrency: String
         get() = sp.getString("chargeprice_currency", null) ?: "EUR"
         set(value) {
@@ -168,6 +174,17 @@ class PreferenceDataSource(val context: Context) {
                 .apply()
         }
 
+    var chargepriceBatteryRangeAndroidAuto: List<Float>
+        get() = listOf(
+            sp.getFloat("chargeprice_battery_range_android_auto_min", 20f),
+            sp.getFloat("chargeprice_battery_range_android_auto_max", 80f),
+        )
+        set(value) {
+            sp.edit().putFloat("chargeprice_battery_range_android_auto_min", value[0])
+                .putFloat("chargeprice_battery_range_android_auto_max", value[1])
+                .apply()
+        }
+
     /** App start counter, introduced with Version 1.0.0 */
     var appStartCounter: Long
         get() = sp.getLong("app_start_counter", 0)

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

@@ -64,7 +64,14 @@ fun invisibleUnless(view: View, visible: Boolean) {
 
 @BindingAdapter("invisibleUnlessAnimated")
 fun invisibleUnlessAnimated(view: View, oldValue: Boolean, newValue: Boolean) {
-    if (oldValue == newValue) return
+    if (oldValue == newValue) {
+        if (!newValue && view.visibility == View.VISIBLE && view.alpha == 1f) {
+            // view is initially invisible
+            view.visibility = View.GONE
+        } else {
+            return
+        }
+    }
 
     view.animate().cancel()
     if (newValue) {

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

@@ -13,12 +13,16 @@ import kotlin.math.max
 fun getMarkerTint(
     charger: ChargeLocation,
     connectors: Set<String>? = null
-): Int = when {
-    charger.maxPower(connectors) >= 100 -> R.color.charger_100kw
-    charger.maxPower(connectors) >= 43 -> R.color.charger_43kw
-    charger.maxPower(connectors) >= 20 -> R.color.charger_20kw
-    charger.maxPower(connectors) >= 11 -> R.color.charger_11kw
-    else -> R.color.charger_low
+): Int {
+    val maxPower = charger.maxPower(connectors)
+    return when {
+        maxPower == null -> R.color.charger_low
+        maxPower >= 100 -> R.color.charger_100kw
+        maxPower >= 43 -> R.color.charger_43kw
+        maxPower >= 20 -> R.color.charger_20kw
+        maxPower >= 11 -> R.color.charger_11kw
+        else -> R.color.charger_low
+    }
 }
 
 class MarkerAnimator(val gen: ChargerIconGenerator) {

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

@@ -26,7 +26,7 @@ class MultiSelectDialogPreference(ctx: Context, attrs: AttributeSet) :
             // backwards compatibility when changing a ListPreference into a MultiSelectListPreference
             val value =
                 getPersistedString(null)?.let { setOf(it) } ?: (defaultValue as Set<String>?)
-            sharedPreferences.edit()
+            sharedPreferences!!.edit()
                 .remove(key)
                 .putStringSet(key, value)
                 .apply()
@@ -51,8 +51,8 @@ class MultiSelectDialogPreference(ctx: Context, attrs: AttributeSet) :
     }
 
     var all: Boolean
-        get() = sharedPreferences.getBoolean(key + "_all", defaultToAll)
+        get() = sharedPreferences!!.getBoolean(key + "_all", defaultToAll)
         set(value) {
-            sharedPreferences.edit().putBoolean(key + "_all", value).apply()
+            sharedPreferences!!.edit().putBoolean(key + "_all", value).apply()
         }
 }

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

@@ -0,0 +1,117 @@
+package net.vonforst.evmap.ui
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.MotionEvent
+import androidx.preference.Preference
+import androidx.preference.PreferenceViewHolder
+import com.google.android.material.slider.RangeSlider
+import net.vonforst.evmap.R
+
+class RangeSliderPreference(context: Context, attrs: AttributeSet) : Preference(context, attrs) {
+    var valueFrom: Float = 0f
+        set(value) {
+            val v = if (value > valueTo) valueTo else value
+            if (v != valueFrom) {
+                field = v
+                notifyChanged()
+            }
+        }
+    var valueTo: Float = 100f
+        set(value) {
+            val v = if (value < valueFrom) valueFrom else value
+            if (v != valueTo) {
+                field = v
+                notifyChanged()
+            }
+        }
+    var stepSize: Float? = null
+        set(value) {
+            if (value != stepSize) {
+                field = value
+                notifyChanged()
+            }
+        }
+    var updatesContinuously: Boolean
+    var defaultValue: List<Float>
+    var labelFormatter: ((Float) -> String)? = null
+        set(value) {
+            if (value != labelFormatter) {
+                field = value
+                notifyChanged()
+            }
+        }
+
+    private lateinit var slider: RangeSlider
+    private var dragging = false
+
+    var values: List<Float>
+        get() = if ((sharedPreferences!!.contains(key + "_min") && sharedPreferences!!.contains(key + "_max"))) {
+            listOf(
+                sharedPreferences!!.getFloat(key + "_min", 0f),
+                sharedPreferences!!.getFloat(key + "_max", 0f)
+            )
+        } else defaultValue
+        set(value) {
+            sharedPreferences!!.edit()
+                .putFloat(key + "_min", value[0])
+                .putFloat(key + "_max", value[1])
+                .apply()
+        }
+
+    init {
+        val a = context.obtainStyledAttributes(
+            attrs, R.styleable.RangeSliderPreference
+        )
+
+        // The ordering of these two statements are important. If we want to set max first, we need
+        // to perform the same steps by changing min/max to max/min as following:
+        // mMax = a.getInt(...) and setMin(...).
+        valueFrom = a.getFloat(R.styleable.RangeSliderPreference_android_valueFrom, 0f)
+        valueTo = a.getFloat(R.styleable.RangeSliderPreference_android_valueTo, 100f)
+        stepSize =
+            a.getFloat(R.styleable.RangeSliderPreference_android_stepSize, -1f).takeIf { it != -1f }
+        updatesContinuously = a.getBoolean(
+            R.styleable.RangeSliderPreference_updatesContinuously,
+            false
+        )
+        defaultValue =
+            a.getString(R.styleable.RangeSliderPreference_android_defaultValue)?.split(",")
+                ?.map { it.toFloat() } ?: listOf(valueFrom, valueTo)
+
+        a.recycle()
+    }
+
+    override fun onBindViewHolder(holder: PreferenceViewHolder) {
+        super.onBindViewHolder(holder)
+        slider = holder.findViewById(R.id.rangeSlider) as RangeSlider
+        slider.valueFrom = valueFrom
+        slider.valueTo = valueTo
+        stepSize?.let { slider.stepSize = it }
+
+        slider.addOnChangeListener { slider, value, fromUser ->
+            if (fromUser && (updatesContinuously || !dragging)) {
+                syncValueInternal(slider)
+            }
+        }
+        slider.setOnTouchListener { v, event ->
+            when (event.actionMasked) {
+                MotionEvent.ACTION_DOWN -> dragging = true
+                MotionEvent.ACTION_UP -> dragging = false
+            }
+            false
+        }
+        slider.values = values
+        slider.isEnabled = isEnabled
+        slider.setLabelFormatter(labelFormatter)
+    }
+
+    private fun syncValueInternal(slider: RangeSlider) {
+        val newValues = slider.values
+        if (callChangeListener(newValues)) {
+            values = newValues
+        } else {
+            slider.values = values
+        }
+    }
+}