android – registerMediaButtonEventReceiver替代setMediaButtonReceiver(PendingIntent mbr)不工作

按下耳机需要将我的应用程序带到前台我这是使用registerMediaButtonEventReceiver()方法,它适用于以下android os 5.1设备.现在这个方法在API级别21中已弃用.我使用mediasession.setMediaButtonReciever()将优先级设置为高,但它不起作用.

AudioManager mAudioManager  = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
        ComponentName mediaComponent = new ComponentName(context.getPackageName(), HeadsetReceiver.class.getName());
        mAudioManager.registerMediaButtonEventReceiver(mediaComponent);
        mediaHandler.postDelayed(this, 1000L);

我每1秒发布一次这个以获得我的优先级应用程序.我在5.1中使用此代码,但是按下媒体按钮音乐开始.我的应用程序没有任何事件将应用程序带到前台.提前致谢..

 MediaSession mSession =  new MediaSession(context,context.getPackageName());
        Intent intent = new Intent(context, HeadsetReceiver.class);
        PendingIntent pintent = PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
        mSession.setMediaButtonReceiver(pintent);
        mSession.setActive(true);
        mediaHandler.postDelayed(this, 1000L);

解决方法:

您还必须像这样设置PlaybackState：

PlaybackState state = new PlaybackState.Builder()
                        .setActions(PlaybackStateCompat.ACTION_FAST_FORWARD | PlaybackStateCompat.ACTION_PAUSE | PlaybackStateCompat.ACTION_PLAY | PlaybackStateCompat.ACTION_PLAY_PAUSE | PlaybackStateCompat.ACTION_SKIP_TO_NEXT | PlaybackStateCompat.ACTION_SKIP_TO_PREVIOUS | PlaybackStateCompat.ACTION_STOP)
                        .setState(PlaybackStateCompat.STATE_PLAYING, 0, 1, SystemClock.elapsedRealtime())
                        .build();
mSession.setPlaybackState(state);

标签：android,android-activity,android-intent,android-mediaplayer,android-audiomanager
来源： https://codeday.me/bug/20190628/1315422.html