mw_orientation.java

@Override
public void onSaveInstanceState(Bundle outState) {
   outState.putLong(POS_KEY, player.getCurrentPosition());
   super.onSaveInstanceState(outState);
}

@Override
public void onRestoreInstanceState(Bundle savedInstanceState) {
   super.onRestoreInstanceState(savedInstanceState);
   long position = savedInstanceState.getLong(POS_KEY);
   player.seekTo(position);
}