Webから音楽をストリーミングするための完全なMusic Playerを作成しましたが、Media PlayerコントロールをNotificationに配置する方法と、画面がロックされている場合を知りません。
私は このチュートリアル に従って通知バーにコントロールを表示していますが、プログラムで同じ機能を使用する方法がまだ得られないため、次のような必要なクラスをインポートしました:NotificationService.Java
およびConstants.Java
。
これは私が通知バーで得ているものです:
[]
私は混乱しています。再生中の曲のタイトルが表示されない理由、一時停止、前へ、次へボタンが機能しない理由など...
NotificationService.Java:
public class NotificationService extends Service {
Notification status;
private final String LOG_TAG = "NotificationService";
@Override
public void onDestroy() {
super.onDestroy();
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if (intent.getAction().equals(Constants.ACTION.STARTFOREGROUND_ACTION)) {
showNotification();
Toast.makeText(this, "Service Started", Toast.LENGTH_SHORT).show();
} else if (intent.getAction().equals(Constants.ACTION.PREV_ACTION)) {
Toast.makeText(this, "Clicked Previous", Toast.LENGTH_SHORT).show();
Log.i(LOG_TAG, "Clicked Previous");
} else if (intent.getAction().equals(Constants.ACTION.PLAY_ACTION)) {
Toast.makeText(this, "Clicked Play", Toast.LENGTH_SHORT).show();
Log.i(LOG_TAG, "Clicked Play");
} else if (intent.getAction().equals(Constants.ACTION.NEXT_ACTION)) {
Toast.makeText(this, "Clicked Next", Toast.LENGTH_SHORT).show();
Log.i(LOG_TAG, "Clicked Next");
} else if (intent.getAction().equals(Constants.ACTION.STOPFOREGROUND_ACTION)) {
Log.i(LOG_TAG, "Received Stop Foreground Intent");
Toast.makeText(this, "Service Stoped", Toast.LENGTH_SHORT).show();
stopForeground(true);
stopSelf();
}
return START_STICKY;
}
private void showNotification() {
// Using RemoteViews to bind custom layouts into Notification
RemoteViews views = new RemoteViews(getPackageName(), R.layout.status_bar);
RemoteViews bigViews = new RemoteViews(getPackageName(), R.layout.status_bar_expanded);
// showing default album image
views.setViewVisibility(R.id.status_bar_icon, View.VISIBLE);
views.setViewVisibility(R.id.status_bar_album_art, View.GONE);
bigViews.setImageViewBitmap(R.id.status_bar_album_art,
Constants.getDefaultAlbumArt(this));
Intent notificationIntent = new Intent(this, MusicPlayerActivity.class);
notificationIntent.setAction(Constants.ACTION.MAIN_ACTION);
notificationIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_CLEAR_TASK);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0);
Intent previousIntent = new Intent(this, NotificationService.class);
previousIntent.setAction(Constants.ACTION.PREV_ACTION);
PendingIntent ppreviousIntent = PendingIntent.getService(this, 0, previousIntent, 0);
Intent playIntent = new Intent(this, NotificationService.class);
playIntent.setAction(Constants.ACTION.PLAY_ACTION);
PendingIntent pplayIntent = PendingIntent.getService(this, 0, playIntent, 0);
Intent nextIntent = new Intent(this, NotificationService.class);
nextIntent.setAction(Constants.ACTION.NEXT_ACTION);
PendingIntent pnextIntent = PendingIntent.getService(this, 0, nextIntent, 0);
Intent closeIntent = new Intent(this, NotificationService.class);
closeIntent.setAction(Constants.ACTION.STOPFOREGROUND_ACTION);
PendingIntent pcloseIntent = PendingIntent.getService(this, 0, closeIntent, 0);
views.setOnClickPendingIntent(R.id.status_bar_play, pplayIntent);
bigViews.setOnClickPendingIntent(R.id.status_bar_play, pplayIntent);
views.setOnClickPendingIntent(R.id.status_bar_next, pnextIntent);
bigViews.setOnClickPendingIntent(R.id.status_bar_next, pnextIntent);
views.setOnClickPendingIntent(R.id.status_bar_prev, ppreviousIntent);
bigViews.setOnClickPendingIntent(R.id.status_bar_prev, ppreviousIntent);
views.setOnClickPendingIntent(R.id.status_bar_collapse, pcloseIntent);
bigViews.setOnClickPendingIntent(R.id.status_bar_collapse, pcloseIntent);
views.setImageViewResource(R.id.status_bar_play,
R.drawable.apollo_holo_dark_pause);
bigViews.setImageViewResource(R.id.status_bar_play,
R.drawable.apollo_holo_dark_pause);
views.setTextViewText(R.id.status_bar_track_name, "Song Title");
bigViews.setTextViewText(R.id.status_bar_track_name, "Song Title");
views.setTextViewText(R.id.status_bar_artist_name, "Artist Name");
bigViews.setTextViewText(R.id.status_bar_artist_name, "Artist Name");
bigViews.setTextViewText(R.id.status_bar_album_name, "Album Name");
status = new Notification.Builder(this).build();
status.contentView = views;
status.bigContentView = bigViews;
status.flags = Notification.FLAG_ONGOING_EVENT;
status.icon = R.drawable.ic_launcher;
status.contentIntent = pendingIntent;
startForeground(Constants.NOTIFICATION_ID.FOREGROUND_SERVICE, status);
}
}
Constants.Java:
public class Constants {
public interface ACTION {
public static String MAIN_ACTION = "com.marothiatechs.customnotification.action.main";
public static String INIT_ACTION = "com.marothiatechs.customnotification.action.init";
public static String PREV_ACTION = "com.marothiatechs.customnotification.action.prev";
public static String PLAY_ACTION = "com.marothiatechs.customnotification.action.play";
public static String NEXT_ACTION = "com.marothiatechs.customnotification.action.next";
public static String STARTFOREGROUND_ACTION = "com.marothiatechs.customnotification.action.startforeground";
public static String STOPFOREGROUND_ACTION = "com.marothiatechs.customnotification.action.stopforeground";
}
public interface NOTIFICATION_ID {
public static int FOREGROUND_SERVICE = 101;
}
public static Bitmap getDefaultAlbumArt(Context context) {
Bitmap bm = null;
BitmapFactory.Options options = new BitmapFactory.Options();
try {
bm = BitmapFactory.decodeResource(context.getResources(),
R.drawable.default_album_art, options);
} catch (Error ee) {
} catch (Exception e) {
}
return bm;
}
}
MusicPlayerActivity.Java:
public class MusicPlayerActivity extends Activity {
// ....
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_music_player);
mediaPlayer = new MediaPlayer();
audiosArrayList = new ArrayList<MusicPlayer>();
listview = (ListView) findViewById(R.id.list_slidermenu);
// ...
btnPlay.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
try {
play();
} catch (Exception exception){
Log.v("exception:play", exception.toString());
}
}
});
btnPause.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
try {
pause();
} catch (Exception exception){
Log.v("exception:pause", exception.toString());
}
}
});
btnNext.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
try {
next();
} catch (Exception exception){
Log.v("exception:next", exception.toString());
}
}
});
btnPrev.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
try {
prev();
} catch (Exception exception){
Log.v("exception:pause", exception.toString());
}
}
});
new JSONAsyncTask().execute("http://myurl/json/musics.json");
listview.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
if (mediaPlayer != null && mediaPlayer.isPlaying())
try {
mediaPlayer.stop();
} catch (Exception e) {
}
play();
}
});
......
}
// ...
public void startService(View v) {
Intent serviceIntent = new Intent(MusicPlayerActivity.this, NotificationService.class);
serviceIntent.setAction(Constants.ACTION.STARTFOREGROUND_ACTION);
startService(serviceIntent);
}
次のようなものを試してください(アクションに整数を使用しました):
intent.putExtra("action", ACTION_EXIT);
pendingIntent = PendingIntent.getService(this, intent.getIntExtra("action", 0), intent, PendingIntent.FLAG_UPDATE_CURRENT);
public static PendingIntent getService(コンテキストコンテキスト、int requestCode、Intent intent、intフラグ)では、requestCodeは一意である必要があります。
AudioPlayerBroadcastReceiverコンポーネントクラスではなく、カスタムインテントアクションを設定する必要があります。
このようなカスタムアクション名でインテントを作成します
Intent switchIntent = new Intent("com.example.app.ACTION_PLAY");
次に、PendingIntent Broadcast受信機を登録します
PendingIntent pendingSwitchIntent = PendingIntent.getBroadcast(this, 100, switchIntent, 0);
次に、再生コントロールにonClickを設定し、必要に応じて他のコントロールに対して同様のカスタムアクションを実行します。
notificationView.setOnClickPendingIntent(R.id.btn_play_pause_in_notification, pendingSwitchIntent);
次に、AudioPlayerBroadcastReceiverにカスタムアクションを次のように登録します
<receiver Android:name="com.example.app.AudioPlayerBroadcastReceiver" >
<intent-filter>
<action Android:name="com.example.app.ACTION_PLAY" />
</intent-filter>
</receiver>
最後に、Notification RemoteViewsレイアウトで再生をクリックすると、BroadcastReceiverによる再生アクションを受け取ります。
public class AudioPlayerBroadcastReceiver extends BroadcastReceiver{
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if(action.equalsIgnoreCase("com.example.app.ACTION_PLAY")) {
// do your stuff to play action;
}
}
}
編集:コードで登録されたブロードキャストレシーバーのインテントフィルターを設定する方法
このように登録されたブロードキャストレシーバーのコードからインテントフィルターを介してカスタムアクションを設定することもできます。
// instance of custom broadcast receiver
CustomReceiver broadcastReceiver = new CustomReceiver();
IntentFilter intentFilter = new IntentFilter();
intentFilter.addCategory(Intent.CATEGORY_DEFAULT);
// set the custom action
intentFilter.addAction("com.example.app.ACTION_PLAY");
// register the receiver
registerReceiver(broadcastReceiver, intentFilter);
詳細については、このリンクを確認してください
解決策を見つけましたか?別のコードで説明できます。少し似ていますが、ストリーミングオーディオを再生しているため、変更しました。ヘルプが必要な場合はお知らせください。
私はあなたと私のshowNotification()
メソッドを共有したいだけです
private void showNotification() {
if (intent.getAction().equals(Constants.ACTION.STARTFOREGROUND_ACTION)) {
//Start IntentNotification
Log.i(LOG_TAG, "Received Start Foreground Intent ");
Intent notificationIntent = new Intent(ForegroundService.this, MainActivity.class);
notificationIntent.setAction(Constants.ACTION.MAIN_ACTION);
//With this settings you can open the same Activity without recreate.
//But you have to put in your AndroidManifest.xml the next line: to your Activity
//activity Android:name=".MainActivity" Android:launchMode="singleInstance"
notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0,
notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);
//Intent for Play
Intent playIntent = new Intent(this, ForegroundService.class);
playIntent.setAction(Constants.ACTION.PLAY_ACTION);
PendingIntent pplayIntent = PendingIntent.getService(this, 0, playIntent, 0);
//Intent for Pause
Intent pausaIntent = new Intent(this, ForegroundService.class);
pausaIntent.setAction(Constants.ACTION.PAUSE_ACTION);
PendingIntent pauseIntent = PendingIntent.getService(this, 0, pausaIntent, 0);
//Intent for Close
stopIntent = new Intent(this, ForegroundService.class);
stopIntent.setAction(Constants.ACTION.CLOSE_ACTION);
PendingIntent closeIntent = PendingIntent.getService(this, 0, stopIntent, 0);
//Icon for your notification
Bitmap icon = BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher);
notifManager =
(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
PendingIntent pi = PendingIntent.getActivity(getApplicationContext(), 0,
new Intent(getApplicationContext(), MainActivity.class),
PendingIntent.FLAG_UPDATE_CURRENT);
// Build the notification object.
mNotificationBuilder = new Notification.Builder(this)
.setContentTitle("Thinking out Loud")
.setContentText("Ed Sheeran")
.setSmallIcon(R.mipmap.ic_launcher)
.setLargeIcon(Bitmap.createScaledBitmap(icon, 128, 128, false))
.setContentIntent(pendingIntent)
.setOngoing(true)
.addAction(R.drawable.ic_play_service, "PLAY", pplayIntent) //you can set a specific icon
.addAction(R.drawable.ic_pause_service, "PAUSE", pauseIntent) //you can set a specific icon
.addAction(R.drawable.ic_close_service, "CLOSE", closeIntent);//you can set a specific icon
startForeground(Constants.NOTIFICATION_ID.FOREGROUND_SERVICE, mNotificationBuilder.build());
} else if (intent.getAction().equals(Constants.ACTION.PLAY_ACTION)) {
Log.i(LOG_TAG, "Clicked Play");
//Click Play notification
} else if (intent.getAction().equals(Constants.ACTION.PAUSE_ACTION)) {
Log.i(LOG_TAG, "Clicked PAUSE");
//This is for Pause
} else if (intent.getAction().equals(Constants.ACTION.CLOSE_ACTION)) {
Log.i(LOG_TAG, "Clicked Close");
//This is for close the NotificationService
stopForeground(true);
} else if (intent.getAction().equals(Constants.ACTION.STOPFOREGROUND_ACTION)) {
Log.i(LOG_TAG, "Received Stop Foreground Intent");
stopForeground(true);
//Stop Notification Service
stopSelf();
}
}
俺の Constants.class
public class Constants {
public interface ACTION {
public static String MAIN_ACTION = "action.main";
public static String PREV_ACTION = "action.prev";
public static String PLAY_ACTION = "action.play";
public static String PAUSE_ACTION = "action.pause";
public static String NEXT_ACTION = "action.next";
public static String CLOSE_ACTION = "action.close";
public static String STARTFOREGROUND_ACTION = "action.startforeground";
public static String STOPFOREGROUND_ACTION = "action.stopforeground";
}
public interface NOTIFICATION_ID {
public static int FOREGROUND_SERVICE = 101;
}
}