I Have bad performance on using shadow effect

Question

I put some image views on scroll view. And when I drag this scroll view, I didn\'t have any problems.

But after I applied shadow effect to these image views, dragging th

Answer 1

While using the reasterized layer indeed increases the performance you will get better (nicer) results using the shadowpath proerty as @wayne-hartman suggests.

Check http://nachbaur.com/blog/fun-shadow-effects-using-custom-calayer-shadowpaths on how to use the CALayer shadow path.