how to detect layout inflate completely in activity

gistfile1.txt

        getWindow().getDecorView().getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener(){
  		public void onGlobalLayout() {
				// the code from here where excute after layout is complete
				getWindow().getDecorView().getViewTreeObserver().removeGlobalOnLayoutListener(this);
			}
        });