Access MediaPlayer metadata within an Android application.

MainActivity.java

private Toolbar toolbar;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    IntentFilter iF = new IntentFilter();
    iF.addAction("com.android.music.metachanged");

    iF.addAction("com.htc.music.metachanged");

    iF.addAction("fm.last.android.metachanged");
    iF.addAction("com.sec.android.app.music.metachanged");
    iF.addAction("com.nullsoft.winamp.metachanged");
    iF.addAction("com.amazon.mp3.metachanged");
    iF.addAction("com.miui.player.metachanged");
    iF.addAction("com.real.IMP.metachanged");
    iF.addAction("com.sonyericsson.music.metachanged");
    iF.addAction("com.rdio.android.metachanged");
    iF.addAction("com.samsung.sec.android.MusicPlayer.metachanged");
    iF.addAction("com.andrew.apollo.metachanged");

    registerReceiver(mReceiver, iF);
}

private BroadcastReceiver mReceiver = new BroadcastReceiver() {
    @Override
    public void onReceive(Context context, Intent intent) {
        String track = intent.getStringExtra("track");
        String album = intent.getStringExtra("album");
        String artist = intent.getStringExtra("artist");

        TextView trackName = (TextView)findViewById(R.id.trackName);
        trackName.setText("You're listening to " + track + " on the album " + album + " by the artist " + artist);
    }
};