Android Auto: move search button from filter screen back to map

This reverts commit 6b6c7da081.

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

@@ -47,30 +47,6 @@ class FilterScreen(ctx: CarContext, val session: EVMapSession) : Screen(ctx) {
             setHeaderAction(Action.BACK)
             setActionStrip(
                 ActionStrip.Builder().apply {
-                    addAction(Action.Builder().apply {
-                        setIcon(
-                            CarIcon.Builder(
-                                IconCompat.createWithResource(
-                                    carContext,
-                                    if (prefs.placeSearchResultAndroidAuto != null) {
-                                        R.drawable.ic_search_off
-                                    } else {
-                                        R.drawable.ic_search
-                                    }
-                                )
-                            ).build()
-
-                        )
-                        setOnClickListener(ParkedOnlyOnClickListener.create {
-                            if (prefs.placeSearchResultAndroidAuto != null) {
-                                prefs.placeSearchResultAndroidAutoName = null
-                                prefs.placeSearchResultAndroidAuto = null
-                                screenManager.pop()
-                            } else {
-                                screenManager.push(PlaceSearchScreen(carContext, session))
-                            }
-                        })
-                    }.build())
                     addAction(Action.Builder().apply {
                         setIcon(
                             CarIcon.Builder(

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

@@ -178,6 +178,42 @@ class MapScreen(ctx: CarContext, val session: EVMapSession) :
                             session.mapScreen = null
                         }
                         .build())
+                    .addAction(Action.Builder().apply {
+                        setIcon(
+                            CarIcon.Builder(
+                                IconCompat.createWithResource(
+                                    carContext,
+                                    if (prefs.placeSearchResultAndroidAuto != null) {
+                                        R.drawable.ic_search_off
+                                    } else {
+                                        R.drawable.ic_search
+                                    }
+                                )
+                            ).build()
+
+                        )
+                        setOnClickListener(ParkedOnlyOnClickListener.create {
+                            if (prefs.placeSearchResultAndroidAuto != null) {
+                                prefs.placeSearchResultAndroidAutoName = null
+                                prefs.placeSearchResultAndroidAuto = null
+                                screenManager.pushForResult(DummyReturnScreen(carContext)) {
+                                    chargers = null
+                                    loadChargers()
+                                }
+                            } else {
+                                screenManager.pushForResult(
+                                    PlaceSearchScreen(
+                                        carContext,
+                                        session
+                                    )
+                                ) {
+                                    chargers = null
+                                    loadChargers()
+                                }
+                                session.mapScreen = null
+                            }
+                        })
+                    }.build())
                     .addAction(
                         Action.Builder()
                             .setIcon(

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

@@ -3,13 +3,13 @@ package net.vonforst.evmap.auto
 import android.content.Context
 import android.graphics.Bitmap
 import androidx.car.app.CarContext
+import androidx.car.app.Screen
 import androidx.car.app.constraints.ConstraintManager
 import androidx.car.app.hardware.common.CarUnit
-import androidx.car.app.model.CarColor
-import androidx.car.app.model.CarIcon
-import androidx.car.app.model.Distance
+import androidx.car.app.model.*
 import androidx.car.app.versioning.CarAppApiLevels
 import androidx.core.graphics.drawable.IconCompat
+import net.vonforst.evmap.R
 import net.vonforst.evmap.api.availability.ChargepointStatus
 import java.util.*
 import kotlin.math.roundToInt
@@ -152,4 +152,17 @@ fun supportsCarApiLevel3(ctx: CarContext): Boolean {
         }
     }
     return true
+}
+
+class DummyReturnScreen(ctx: CarContext) : Screen(ctx) {
+    /*
+    Dummy screen to get around template refresh limitations.
+    It immediately pops back to the previous screen.
+     */
+    override fun onGetTemplate(): Template {
+        screenManager.pop()
+        return MessageTemplate.Builder(carContext.getString(R.string.loading)).setLoading(true)
+            .build()
+    }
+
 }

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

@@ -32,4 +32,5 @@
     <string name="data_sources_hint">In den Einstellungen kannst du auch zwischen Google Maps und OpenStreetMap (Mapbox) für die Kartendaten wechseln.</string>
     <string name="selecting_all">alle Einträge ausgewählt</string>
     <string name="selecting_none">alle Einträge abgewählt</string>
+    <string name="loading">Lade…</string>
 </resources>

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

@@ -32,4 +32,5 @@
     <string name="data_sources_hint">In the settings you can also switch between Google Maps and OpenStreetMap (Mapbox) for the map data.</string>
     <string name="selecting_all">selected all items</string>
     <string name="selecting_none">deselected all items</string>
+    <string name="loading">Loading…</string>
 </resources>