Fix cache bug in AudioServiceFragmentActivity (@Mordtimer).

Author: ryanheise

audio_service/CHANGELOG.md

@@ -1,5 +1,6 @@
 ## 0.18.9
 
+* Fix cache bug in AudioServiceFragmentActivity (@Mordtimer).
 * Add Android Auto manifest entry for example app (@ColinSchmale).
 
 ## 0.18.8

audio_service/android/src/main/java/com/ryanheise/audioservice/AudioServiceFragmentActivity.java

@@ -2,8 +2,10 @@
 
 import android.content.Context;
 
+import android.os.Bundle;
 import androidx.annotation.NonNull;
 
+import androidx.annotation.Nullable;
 import io.flutter.embedding.android.FlutterFragmentActivity;
 import io.flutter.embedding.engine.FlutterEngine;
 
@@ -13,6 +15,12 @@ public FlutterEngine provideFlutterEngine(@NonNull Context context) {
         return AudioServicePlugin.getFlutterEngine(context);
     }
 
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        AudioServicePlugin.getFlutterEngine(this);
+        super.onCreate(savedInstanceState);
+    }
+
     @Override
     protected String getCachedEngineId() {
         AudioServicePlugin.getFlutterEngine(this);

audio_service/example/android/app/src/main/AndroidManifest.xml

@@ -11,16 +11,25 @@
 
     <application
         android:label="Audio Service Demo"
+        android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
         <activity
             android:name="com.ryanheise.audioservice.AudioServiceActivity"
+            android:exported="true"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
             android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize"
-            android:exported="true"
             tools:ignore="Instantiatable">
+            <!-- Specifies an Android theme to apply to this Activity as soon as
+                 the Android process has started. This theme is visible to the user
+                 while the Flutter UI initializes. After that, this theme continues
+                 to determine the Window background behind the Flutter UI. -->
+            <meta-data
+                android:name="io.flutter.embedding.android.NormalTheme"
+                android:resource="@style/NormalTheme"
+                />
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>

audio_service/example/android/app/src/main/res/values/styles.xml

@@ -1,8 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
         <!-- Show a splash screen on the activity. Automatically removed when
-             Flutter draws its first frame -->
+             the Flutter engine draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
     </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
 </resources>