public class MainActivity extends AppCompatActivity implements MediaPlayer.OnPreparedListener,
        SurfaceHolder.Callback {

    final static String USERNAME = "admin";
    final static String PASSWORD = "admin";
    final static String RTSP_URL = "rtsp://admin:admin@192.168.1.108:88/live/mpeg4";

    private MediaPlayer _mediaPlayer;
    private SurfaceHolder _surfaceHolder;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
       // requestWindowFeature(Window.FEATURE_NO_TITLE);
        Window window = getWindow();
        window.setFlags(
                WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
        window.setBackgroundDrawableResource(android.R.color.black);

        setContentView(R.layout.activity_main);

        // Configure the view that renders live video.
        SurfaceView surfaceView =
                (SurfaceView) findViewById(R.id.surfaceView);
        _surfaceHolder = surfaceView.getHolder();
        _surfaceHolder.addCallback(this);
        _surfaceHolder.setFixedSize(320, 240);
    }

    @Override
    public void surfaceCreated(SurfaceHolder holder) {
        _mediaPlayer = new MediaPlayer();
        _mediaPlayer.setDisplay(_surfaceHolder);

        Context context = getApplicationContext();
        Uri source = Uri.parse(RTSP_URL);

        try {
            // Specify the IP camera's URL and auth headers.
            _mediaPlayer.setDataSource(context, source);

            // Begin the process of setting up a video stream.
            _mediaPlayer.setOnPreparedListener(this);
            _mediaPlayer.prepareAsync();
        }
        catch (Exception e) {}

    }

    @Override
    public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {

    }

    @Override
    public void surfaceDestroyed(SurfaceHolder holder) {
        _mediaPlayer.release();

    }

    @Override
    public void onPrepared(MediaPlayer mp) {
        _mediaPlayer.start();


    }

}