title: Add a shadow to an ImageView
body: <p>I want to add a shadow to an ImageView (right and bottom side).<br>
  Below I posted 2 images with a shadow effect.<br>
  I want the same shadow effect.</p>
  
  <p>How can I apply this shadow effect to my ImageView?</p>
  
  <p>Image with right side shadow<br>
  <a href="https://i.stack.imgur.com/bI6Rf.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/bI6Rf.png" alt="enter image description here"></a></p>
  
  <p>image with right and bottom shadow<br>
  <a href="https://i.stack.imgur.com/Q1mk8.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Q1mk8.png" alt="enter image description here"></a></p>