title: How to increase uiswitch Thumb size
body: <p>I was trying to increase thumb size of a <code>UISwitch</code> I was trying to increase thumb size by set on the image but the image is not showing. </p>
  
  <p>I try this: </p>
  
  <pre><code>uiSwitch.onImage = UIImage(named: "sing") 
  </code></pre>
  
  <p>i want switch like this </p>
  
  <p><a href="https://i.stack.imgur.com/uPF9X.jpg" rel="nofollow noreferrer">here is image</a></p>