title: Fill button icon when button pressed in swift
body: <p>I have a button with icon, I want when pressed button icon fill with color and when pressed again empty color and return to the previous state</p>
  
  <p><a href="https://i.stack.imgur.com/mP2w3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/mP2w3.png" alt="enter image description here"></a></p>
  
  <p><strong>Note:</strong> As much as possible I do not want to change  icon after every pressed.</p>