ViewTreeObserver.OnGlobalLayoutListener() handling

android_OnGlobalLayoutListener

{
final ViewTreeObserver viewTreeObserver = someView.getViewTreeObserver();
	viewTreeObserver.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
		
		@SuppressWarnings("deprecation")
		@SuppressLint("NewApi")
		public void onGlobalLayout() {
		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
			viewTreeObserver.removeGlobalOnLayoutListener(this);
		} else {
			viewTreeObserver.removeOnGlobalLayoutListener(this);
		}
			doThings();
		}
    });
}