Fragment - removeGlobalOnLayoutListener IllegalStateException

Question

I\'m trying to get the height and width of an ImageView in a Fragment with the following ViewTreeObserver:

import andr         


        

Answer 1

try this :

   ViewTreeObserver observer = imageViewPicture.getViewTreeObserver();
   observer.addOnGlobalLayoutListener (new OnGlobalLayoutListener () {
    @Override
     public void onGlobalLayout() {

       imageViewPicture.getViewTreeObserver().removeGlobalOnLayoutListener(this);
      }
    });