Android Auto

android/app/build.gradle

@@ -69,3 +69,7 @@ android {
 flutter {
     source '../..'
 }
+
+dependencies {
+    implementation 'androidx.appcompat:appcompat:1.3.1'
+}

android/app/src/main/AndroidManifest.xml

@@ -29,9 +29,16 @@
         <category android:name="android.intent.category.APP_MUSIC"/>
         <category android:name="android.intent.category.LAUNCHER"/>
       </intent-filter>
+      <intent-filter>
+        <action android:name="android.media.action.MEDIA_PLAY_FROM_SEARCH" />
+        <category android:name="android.intent.category.DEFAULT" />
+      </intent-filter>
     </activity>
-    <service android:name="com.ryanheise.audioservice.AudioService" android:foregroundServiceType="mediaPlayback"
-        android:exported="true">
+    <provider
+            android:name=".MediaItemContentProvider"
+            android:authorities="com.unicornsonlsd.finamp"
+            android:exported="true" />
+    <service android:name="com.ryanheise.audioservice.AudioService" android:foregroundServiceType="mediaPlayback" android:exported="true">
       <intent-filter>
         <action android:name="android.media.browse.MediaBrowserService" />
       </intent-filter>
@@ -43,6 +50,10 @@
       </intent-filter>
     </receiver>
 
+    <meta-data
+            android:name="com.google.android.gms.car.application"
+            android:resource="@xml/automotive_app_desc" />
+
     <meta-data
       android:name="io.flutter.embedding.android.EnableImpeller"
       android:value="true" />
@@ -51,4 +62,17 @@
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
     <meta-data android:name="flutterEmbedding" android:value="2" />
   </application>
+
+  <uses-feature
+          android:name="android.hardware.type.automotive"
+          android:required="true" />
+  <uses-feature
+          android:name="android.hardware.wifi"
+          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" />
 </manifest>

android/app/src/main/kotlin/com/unicornsonlsd/finamp/MainActivity.kt

@@ -3,4 +3,4 @@ package com.unicornsonlsd.finamp
 import io.flutter.embedding.android.FlutterActivity
 
 class MainActivity: FlutterActivity() {
-}
+}

android/app/src/main/kotlin/com/unicornsonlsd/finamp/MediaItemContentProvider.kt

@@ -0,0 +1,81 @@
+package com.unicornsonlsd.finamp
+
+import android.content.ContentProvider
+import android.content.ContentValues
+import android.database.Cursor
+import android.net.Uri
+import android.os.ParcelFileDescriptor
+import android.util.LruCache
+import java.io.File
+import java.io.FileOutputStream
+import java.net.URL
+
+class MediaItemContentProvider : ContentProvider() {
+
+    private lateinit var memoryCache : LruCache<String, ByteArray>
+
+    override fun openFile(uri: Uri, mode: String): ParcelFileDescriptor? {
+        if (uri.fragment != null) {
+            // we store the original scheme://host in fragment since it should be unused
+            val origin = Uri.parse(uri.fragment)
+            val fixedUri = uri.buildUpon().fragment(null).scheme(origin.scheme).authority(origin.authority).toString()
+
+            // check if we already cached the image
+            val bytes = memoryCache.get(fixedUri)
+            if (bytes != null) {
+                return openPipeHelper(uri, "application/octet-stream", null, bytes) {output, _, _, _, b ->
+                    FileOutputStream(output.fileDescriptor).write(b)
+                }
+            }
+
+            val response = URL(fixedUri).readBytes()
+            memoryCache.put(fixedUri, response)
+            return openPipeHelper(uri, "application/octet-stream", null, response) {output, _, _, _, b ->
+                FileOutputStream(output.fileDescriptor).write(b)
+            }
+        }
+
+        // this means it's a local image (downloaded or placeholder art)
+        return ParcelFileDescriptor.open(File(uri.path!!), ParcelFileDescriptor.MODE_READ_ONLY)
+    }
+
+    override fun onCreate(): Boolean {
+        // Get max available VM memory, exceeding this amount will throw an
+        // OutOfMemory exception. Stored in kilobytes as LruCache takes an
+        // int in its constructor.
+        val maxMemory = (Runtime.getRuntime().maxMemory() / 1024).toInt()
+
+        // Use 1/8th of the available memory for this memory cache.
+        val cacheSize = maxMemory / 8
+        memoryCache  = object : LruCache<String, ByteArray>(cacheSize) {
+
+            override fun sizeOf(key: String, value: ByteArray): Int {
+                // The cache size will be measured in kilobytes rather than
+                // number of items.
+                return value.size / 1024
+            }
+        }
+
+        return true
+    }
+
+    override fun query(uri: Uri, projection: Array<out String>?, selection: String?, selectionArgs: Array<out String>?, sortOrder: String?): Cursor? {
+        return null
+    }
+
+    override fun getType(uri: Uri): String? {
+        return null
+    }
+
+    override fun insert(uri: Uri, values: ContentValues?): Uri? {
+        return null
+    }
+
+    override fun delete(uri: Uri, selection: String?, selectionArgs: Array<out String>?): Int {
+        return 0
+    }
+
+    override fun update(uri: Uri, values: ContentValues?, selection: String?, selectionArgs: Array<out String>?): Int {
+        return 0
+    }
+}

android/app/src/main/res/drawable/baseline_heart_24.xml

@@ -0,0 +1,11 @@
+<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:strokeWidth="2"
+      android:strokeColor="@android:color/white"
+      android:pathData="M19.5 12.572l-7.5 7.428l-7.5 -7.428a5 5 0 1 1 7.5 -6.566a5 5 0 1 1 7.5 6.572"/>
+</vector>

android/app/src/main/res/drawable/baseline_heart_filled_24.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="@android:color/white"
+      android:pathData="M6.979 3.074a6 6 0 0 1 4.988 1.425l.037 .033l.034 -.03a6 6 0 0 1 4.733 -1.44l.246 .036a6 6 0 0 1 3.364 10.008l-.18 .185l-.048 .041l-7.45 7.379a1 1 0 0 1 -1.313 .082l-.094 -.082l-7.493 -7.422a6 6 0 0 1 3.176 -10.215z"/>
+</vector>

android/app/src/main/res/drawable/baseline_shuffle_24.xml

@@ -0,0 +1,19 @@
+<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:strokeWidth="2"
+        android:strokeColor="@android:color/white"
+        android:pathData="M21 17l-18 0" />
+  <path android:strokeWidth="2"
+        android:strokeColor="@android:color/white"
+        android:pathData="M18 4l3 3l-3 3" />
+  <path android:strokeWidth="2"
+        android:strokeColor="@android:color/white"
+        android:pathData="M18 20l3 -3l-3 -3" />
+  <path android:strokeWidth="2"
+        android:strokeColor="@android:color/white"
+        android:pathData="M21 7l-18 0" />
+</vector>

android/app/src/main/res/drawable/baseline_shuffle_on_24.xml

@@ -0,0 +1,22 @@
+<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:strokeWidth="2"
+        android:strokeColor="@android:color/white"
+        android:pathData="M16 4h4v4" />
+  <path android:strokeWidth="2"
+        android:strokeColor="@android:color/white"
+        android:pathData="M15 9l5 -5" />
+  <path android:strokeWidth="2"
+        android:strokeColor="@android:color/white"
+        android:pathData="M4 20l5 -5" />
+  <path android:strokeWidth="2"
+        android:strokeColor="@android:color/white"
+        android:pathData="M16 20h4v-4" />
+  <path android:strokeWidth="2"
+        android:strokeColor="@android:color/white"
+        android:pathData="M4 4l16 16" />
+</vector>

android/app/src/main/res/drawable/baseline_stop_24.xml

@@ -0,0 +1,12 @@
+<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:strokeWidth="2"
+      android:strokeColor="@android:color/white"
+      android:fillColor="@android:color/white"
+      android:pathData="M17 4h-10a3 3 0 0 0 -3 3v10a3 3 0 0 0 3 3h10a3 3 0 0 0 3 -3v-10a3 3 0 0 0 -3 -3z"/>
+</vector>

android/app/src/main/res/xml/automotive_app_desc.xml

@@ -0,0 +1,3 @@
+<automotiveApp>
+    <uses name="media"/>
+</automotiveApp>

lib/components/AlbumScreen/song_list_tile.dart

@@ -274,13 +274,13 @@ class _SongListTileState extends ConsumerState<SongListTile>
                 // TODO put in a real offline songs implementation
                 if (FinampSettingsHelper.finampSettings.isOffline) {
                   final settings = FinampSettingsHelper.finampSettings;
-                  final downloadService = GetIt.instance<DownloadsService>();
+                  final downloadsService = GetIt.instance<DownloadsService>();
                   final finampUserHelper = GetIt.instance<FinampUserHelper>();
 
                   // get all downloaded songs in order
                   List<DownloadStub> offlineItems;
                   // If we're on the songs tab, just get all of the downloaded items
-                  offlineItems = await downloadService.getAllSongs(
+                  offlineItems = await downloadsService.getAllSongs(
                       // nameFilter: widget.searchTerm,
                       viewFilter: finampUserHelper.currentUser?.currentView?.id,
                       nullableViewFilters:
@@ -306,10 +306,8 @@ class _SongListTileState extends ConsumerState<SongListTile>
                             (element) => element.id == widget.item.id)
                         : await widget.index,
                     source: QueueItemSource(
-                      name: QueueItemSourceName(
-                          type: QueueItemSourceNameType.preTranslated,
-                          pretranslatedName:
-                              AppLocalizations.of(context)!.placeholderSource),
+                      name: const QueueItemSourceName(
+                          type: QueueItemSourceNameType.mix),
                       type: QueueItemSourceType.allSongs,
                       id: widget.item.id,
                     ),

lib/components/DownloadsScreen/downloads_overview.dart

@@ -33,7 +33,7 @@ class DownloadsOverview extends StatelessWidget {
         stream: downloadsService.downloadCountsStream,
         initialData: downloadsService.downloadCounts,
         builder: (context, countSnapshot) {
-          // This is throttled to 10 per second in downloadService constructor.
+          // This is throttled to 10 per second in downloadsService constructor.
           return StreamBuilder<Map<DownloadItemState, int>>(
             stream: downloadsService.downloadStatusesStream,
             initialData: downloadsService.downloadStatuses,

lib/components/PlayerScreen/queue_list.dart

@@ -11,6 +11,7 @@ import 'package:finamp/services/feedback_helper.dart';
 import 'package:finamp/services/finamp_settings_helper.dart';
 import 'package:finamp/services/theme_provider.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_sticky_header/flutter_sticky_header.dart';
@@ -803,7 +804,7 @@ class _CurrentTrackState extends State<CurrentTrack> {
                                       width: (screenSize.width -
                                               2 * horizontalPadding -
                                               albumImageSize) *
-                                          (playbackPosition!.inMilliseconds /
+                                          ((playbackPosition?.inMilliseconds ?? 0) /
                                               (mediaState?.mediaItem
                                                           ?.duration ??
                                                       const Duration(