@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    showVideo();
}
private void showVideo()
{
    VideoView vd = (VideoView)findViewById(R.id.videoview);
    Uri uri = Uri.parse("android.resource://package/"+R.raw.movie);
    MediaController mc = new MediaController(this);
    vd.setMediaController(mc);
    vd.setVideoURI(uri);
    vd.start();
}