optimize update AppWidget

debug/src/main/AndroidManifest.xml

@@ -2,16 +2,13 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="snow.player.debug">
 
-    <permission android:name="snow.player.appwidget.permission.UPDATE_APPWIDGET" />
-
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-    <uses-permission android:name="snow.player.appwidget.permission.UPDATE_APPWIDGET" />
 
     <application
         android:name="androidx.multidex.MultiDexApplication"
@@ -69,11 +66,6 @@
                 android:name="android.appwidget.provider"
                 android:resource="@xml/example_app_widget" />
 
-            <intent-filter>
-                <action android:name="snow.player.appwidget.action.PLAYER_STATE_CHANGED" />
-                <category android:name="snow.player.debug.MyPlayerService" />
-            </intent-filter>
-
         </receiver>
     </application>
 

debug/src/main/java/snow/player/debug/ExampleAppWidgetProvider.java

@@ -5,21 +5,13 @@
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
+import android.text.TextUtils;
 import android.widget.RemoteViews;
 
 import snow.player.appwidget.AppWidgetPlayerState;
 import snow.player.audio.MusicItem;
 
 public class ExampleAppWidgetProvider extends AppWidgetProvider {
-    @Override
-    public void onReceive(Context context, Intent intent) {
-        super.onReceive(context, intent);
-
-        if (AppWidgetPlayerState.ACTION_PLAYER_STATE_CHANGED.equals(intent.getAction())) {
-            AppWidgetManager am = AppWidgetManager.getInstance(context);
-            onUpdate(context, am, am.getAppWidgetIds(new ComponentName(context, ExampleAppWidgetProvider.class)));
-        }
-    }
 
     @Override
     public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
@@ -43,7 +35,13 @@ private void updateAppWidget(Context context, AppWidgetManager appWidgetManager,
             return;
         }
 
-        remoteViews.setTextViewText(R.id.tv_song_name, musicItem.getTitle());
+        String title = musicItem.getTitle();
+        if (TextUtils.isEmpty(title)) {
+            title = "未知歌曲名";
+        }
+
+        remoteViews.setTextViewText(R.id.tv_song_name, title);
+        remoteViews.setTextViewText(R.id.tv_playback_state, state.getPlaybackState().toString());
 
         appWidgetManager.updateAppWidget(appWidgetId, remoteViews);
     }

debug/src/main/java/snow/player/debug/MyPlayerService.java

@@ -1,5 +1,6 @@
 package snow.player.debug;
 
+import android.appwidget.AppWidgetProvider;
 import android.content.Context;
 import android.net.Uri;
 
@@ -12,6 +13,8 @@
 import com.google.android.exoplayer2.upstream.DefaultDataSource;
 import com.google.android.exoplayer2.util.Util;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.TimeUnit;
 
 import okhttp3.OkHttpClient;
@@ -82,4 +85,10 @@ protected MusicPlayer onCreateMusicPlayer(@NonNull Context context, @NonNull Mus
     protected AudioEffectManager onCreateAudioEffectManager() {
         return new AndroidAudioEffectManager();
     }
+
+    @Nullable
+    @Override
+    protected Class<? extends AppWidgetProvider> getAppWidget() {
+        return ExampleAppWidgetProvider.class;
+    }
 }

debug/src/main/res/layout/example_appwidget.xml

@@ -1,9 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="#FFF"
+    android:gravity="center"
+    android:orientation="vertical"
     android:paddingLeft="8dp"
     android:paddingRight="8dp">
 
@@ -12,7 +14,17 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
+        android:maxLines="1"
+        android:singleLine="true"
         android:textSize="14sp"
         tools:text="未知歌曲" />
 
-</FrameLayout>
+    <TextView
+        android:id="@+id/tv_playback_state"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:textSize="14sp"
+        tools:text="PAUSED" />
+
+</LinearLayout>

debug/src/main/res/xml/example_app_widget.xml

@@ -1,5 +1,5 @@
 <appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
-    android:minWidth="110dp"
+    android:minWidth="250dp"
     android:minHeight="40dp"
     android:updatePeriodMillis="86400000"
     android:previewImage="@mipmap/ic_launcher"

player/src/main/java/snow/player/AbstractPlayer.java

@@ -129,6 +129,7 @@ abstract class AbstractPlayer implements Player, PlaylistEditor {
     public AbstractPlayer(@NonNull Context context,
                           @NonNull PlayerConfig playerConfig,
                           @NonNull PlayerState playerState,
+                          @NonNull ServicePlayerStateHelper playerStateHelper,
                           @NonNull PlaylistManagerImp playlistManager,
                           @NonNull Class<? extends PlayerService> playerService,
                           @NonNull OnStateChangeListener listener) {
@@ -142,7 +143,7 @@ public AbstractPlayer(@NonNull Context context,
         mApplicationContext = context.getApplicationContext();
         mPlayerConfig = playerConfig;
         mPlayerState = playerState;
-        mPlayerStateHelper = new ServicePlayerStateHelper(mPlayerState, mApplicationContext, playerService);
+        mPlayerStateHelper = playerStateHelper;
         mPlaylistManager = playlistManager;
         mOnStateChangeListener = listener;
 

player/src/main/java/snow/player/PlayerService.java

@@ -6,6 +6,7 @@
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
+import android.appwidget.AppWidgetProvider;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
@@ -50,6 +51,7 @@
 import com.bumptech.glide.request.FutureTarget;
 import com.google.common.base.Preconditions;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
@@ -126,6 +128,7 @@ public class PlayerService extends MediaBrowserServiceCompat
 
     private PlayerConfig mPlayerConfig;
     private PlayerState mPlayerState;
+    private ServicePlayerStateHelper mPlayerStateHelper;
 
     private PlaylistManagerImp mPlaylistManager;
     private PlayerImp mPlayer;
@@ -192,6 +195,7 @@ public void onCreate() {
         initNotificationManager();
         initPlayerConfig();
         initPlayerState();
+        initPlayerStateHelper();
         initPlaylistManager();
         initNotificationView();
         initOnStateChangeListener();
@@ -324,6 +328,23 @@ private void initPlayerState() {
         mPlayerState = new PersistentPlayerState(this, mPersistentId);
     }
 
+    private void initPlayerStateHelper() {
+        List<Class<? extends AppWidgetProvider>> appWidgets = getAppWidgets();
+
+        if (appWidgets == null && getAppWidget() != null) {
+            Class<? extends AppWidgetProvider> clazz = getAppWidget();
+            appWidgets = new ArrayList<>();
+            appWidgets.add(clazz);
+        }
+
+        mPlayerStateHelper = new ServicePlayerStateHelper(
+                mPlayerState,
+                getApplicationContext(),
+                this.getClass(),
+                appWidgets
+        );
+    }
+
     private void initPlaylistManager() {
         mPlaylistManager = new PlaylistManagerImp(this, mPersistentId);
     }
@@ -385,6 +406,7 @@ private void initPlayer() {
         mPlayer = new PlayerImp(this,
                 mPlayerConfig,
                 mPlayerState,
+                mPlayerStateHelper,
                 mPlaylistManager,
                 this.getClass(),
                 mOnStateChangeListener);
@@ -454,6 +476,7 @@ private void initSessionEventEmitter() {
         mSleepTimer = new SleepTimerImp(
                 this,
                 mPlayerState,
+                mPlayerStateHelper,
                 ChannelHelper.newEmitter(OnStateChangeListener2.class, sessionEventEmitter),
                 ChannelHelper.newEmitter(OnWaitPlayCompleteChangeListener.class, sessionEventEmitter)
         );
@@ -565,6 +588,16 @@ protected HistoryRecorder onCreateHistoryRecorder() {
         return null;
     }
 
+    @Nullable
+    protected Class<? extends AppWidgetProvider> getAppWidget() {
+        return null;
+    }
+
+    @Nullable
+    protected List<Class<? extends AppWidgetProvider>> getAppWidgets() {
+        return null;
+    }
+
     @Override
     public void setSoundQuality(SoundQuality soundQuality) {
         if (soundQuality == mPlayerConfig.getSoundQuality()) {
@@ -1499,10 +1532,11 @@ private class PlayerImp extends AbstractPlayer {
         public PlayerImp(@NonNull Context context,
                          @NonNull PlayerConfig playerConfig,
                          @NonNull PlayerState playlistState,
+                         @NonNull ServicePlayerStateHelper playerStateHelper,
                          @NonNull PlaylistManagerImp playlistManager,
                          @NonNull Class<? extends PlayerService> playerService,
                          @NonNull AbstractPlayer.OnStateChangeListener listener) {
-            super(context, playerConfig, playlistState, playlistManager, playerService, listener);
+            super(context, playerConfig, playlistState, playerStateHelper, playlistManager, playerService, listener);
         }
 
         @Override

player/src/main/java/snow/player/ServicePlayerStateHelper.java

@@ -1,28 +1,38 @@
 package snow.player;
 
+import android.appwidget.AppWidgetProvider;
 import android.content.Context;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 import com.google.common.base.Preconditions;
 
+import java.util.List;
+
 import snow.player.appwidget.AppWidgetPlayerState;
 import snow.player.audio.MusicItem;
 
 class ServicePlayerStateHelper extends PlayerStateHelper {
     private final Context mContext;
     private final Class<? extends PlayerService> mPlayerService;
 
-    public ServicePlayerStateHelper(@NonNull PlayerState playerState,
-                                    @NonNull Context context,
-                                    @NonNull Class<? extends PlayerService> playerService) {
+    @Nullable
+    private final List<Class<? extends AppWidgetProvider>> mAppWidgets;
+
+    public ServicePlayerStateHelper(
+            @NonNull PlayerState playerState,
+            @NonNull Context context,
+            @NonNull Class<? extends PlayerService> playerService,
+            @Nullable List<Class<? extends AppWidgetProvider>> appWidgets
+    ) {
         super((playerState));
         Preconditions.checkNotNull(context);
         Preconditions.checkNotNull(playerService);
 
         mContext = context;
         mPlayerService = playerService;
+        mAppWidgets = appWidgets;
     }
 
     private void updateAppWidgetPlayerState() {
@@ -39,6 +49,11 @@ private void updateAppWidgetPlayerState() {
                 getPlayerState().getErrorMessage()
         );
 
+        if (mAppWidgets != null) {
+            AppWidgetPlayerState.updatePlayerState(mContext, mPlayerService, playerState, mAppWidgets);
+            return;
+        }
+
         AppWidgetPlayerState.updatePlayerState(mContext, mPlayerService, playerState);
     }
 

player/src/main/java/snow/player/SleepTimerImp.java

@@ -22,14 +22,15 @@ class SleepTimerImp implements SleepTimer {
 
     SleepTimerImp(PlayerService playerService,
                   PlayerState playerState,
+                  ServicePlayerStateHelper playerStateHelper,
                   SleepTimer.OnStateChangeListener2 onStateChangeListener2,
                   OnWaitPlayCompleteChangeListener onWaitPlayCompleteChangeListener) {
         mPlayerService = playerService;
         mPlayerState = playerState;
         mSleepTimerStateChangedListener = onStateChangeListener2;
         mWaitPlayCompleteChangeListener = onWaitPlayCompleteChangeListener;
 
-        mPlayerStateHelper = new ServicePlayerStateHelper(playerState, playerService, playerService.getClass());
+        mPlayerStateHelper = playerStateHelper;
     }
 
     @Override

player/src/main/java/snow/player/appwidget/AppWidgetPlayerState.java

@@ -1,6 +1,8 @@
 package snow.player.appwidget;
 
 import android.app.ActivityManager;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProvider;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -13,6 +15,8 @@
 import com.google.common.base.Preconditions;
 import com.tencent.mmkv.MMKV;
 
+import java.util.List;
+
 import snow.player.PlayMode;
 import snow.player.PlaybackState;
 import snow.player.PlayerService;
@@ -119,6 +123,30 @@ public static void updatePlayerState(@NonNull Context context,
         context.sendBroadcast(intent, PERMISSION_UPDATE_APP_WIDGET);
     }
 
+    public static void updatePlayerState(@NonNull Context context,
+                                         @NonNull Class<? extends PlayerService> playerService,
+                                         @NonNull AppWidgetPlayerState playerState,
+                                         @NonNull List<Class<? extends AppWidgetProvider>> appWidgets) {
+        Preconditions.checkNotNull(context);
+        Preconditions.checkNotNull(playerService);
+        Preconditions.checkNotNull(playerState);
+
+        MMKV mmkv = getMMKV(context, playerService);
+        mmkv.encode(KEY_PLAYER_STATE, playerState);
+
+        AppWidgetManager am = AppWidgetManager.getInstance(context);
+
+        for (Class<? extends AppWidgetProvider> appWidgetClazz : appWidgets) {
+            Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
+
+            ComponentName componentName = new ComponentName(context, appWidgetClazz);
+            intent.setComponent(componentName);
+            intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, am.getAppWidgetIds(componentName));
+
+            context.sendBroadcast(intent);
+        }
+    }
+
     private static MMKV getMMKV(@NonNull Context context, @NonNull Class<? extends PlayerService> playerService) {
         if (!sMMKVInitialized) {
             sMMKVInitialized = true;