overlayout-Activity

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    setContentView(R.layout.simple_layout);
    
	  OverlayLayout overlayLayout = new OverlayLayout(this); // our overlay view
    
    addContentView(overlayLayout, new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT,RelativeLayout.LayoutParams.MATCH_PARENT));   
}