Media Player controls in Notification

Question

I have written complete Music Player to stream music from the web, but I don\'t know how to put media player controls in Notification and when the screen is Lock.

I am f

Answer 1

To achieve this you need media session and notification builber as the following :

private void createMediaSession(){

    mediaSessionCompat = new MediaSessionCompat(this, "media session");

    stateBuilder = new PlaybackStateCompat.Builder()
            .setActions(
                    PlaybackStateCompat.ACTION_PLAY |
                            PlaybackStateCompat.ACTION_PAUSE |
                            PlaybackStateCompat.ACTION_PLAY_PAUSE |
                            PlaybackStateCompat.ACTION_SKIP_TO_NEXT |
                            PlaybackStateCompat.ACTION_SKIP_TO_PREVIOUS
            );
    mediaSessionCompat.setMediaButtonReceiver(null);
    mediaSessionCompat.setPlaybackState(stateBuilder.build());
    mediaSessionCompat.setCallback(new MediaSessionCompat.Callback() {
        @Override
        public void onPlay() {
            super.onPlay();

            //write code to control your music
        }

        @Override
        public void onPause() {
            super.onPause();

            //write code to control your music
        }

        @Override
        public void onSkipToNext() {
            super.onSkipToNext();

            //write code to control your music
        }

        @Override
        public void onSkipToPrevious() {
            super.onSkipToPrevious();

            //write code to control your music
        }
    });

    mediaSessionCompat.setActive(true);
}

private void showNotification(){

    notificationBuilder = new NotificationCompat.Builder(this, CHANNEL_ID);
    
    NotificationCompat.Action playPauseAction = new NotificationCompat.Action(
            icon, string,
            MediaButtonReceiver.buildMediaButtonPendingIntent(this,
                    PlaybackStateCompat.ACTION_PLAY_PAUSE)
    );


    PendingIntent contentPendingIntent = PendingIntent.getActivity(this,
            0, new Intent(this, MainActivity.class),0
    );

    notificationBuilder.setContentTitle("Song Title")
            .setSmallIcon(R.mipmap.ic_launcher_round)
            .setContentIntent(contentPendingIntent)
            .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
            .addAction(playPauseAction)
            .setPriority(NotificationCompat.PRIORITY_MAX)
            .setStyle(new androidx.media.app.NotificationCompat.MediaStyle()
                    .setMediaSession(mediaSessionCompat.getSessionToken())
                    .setShowActionsInCompactView(0));

    notificationManager =
            (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
    notificationManager.notify(0, notificationBuilder.build());

}

finally you need to create a broadcast receiver as the following

public static class MyReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        MediaButtonReceiver.handleIntent(mediaSessionCompat, intent);
    }
}

and you should add the following dependency in the gradle

implementation 'androidx.media:media:1.1.0'

now you're ready to call the showNotification() method wherever you want to show your notification. If you still having problems you can take a look at this tutorial for your reference