title: How to enable touch outside when PopOverView open?
body: <p>I'm using popover with my app. I want to enable touch outside when popoverview open. For now I can not touch outside of popoverview when i click the outside of popoverview , it disappear. </p>
  
  <p>Here is my screen shot for what i want to do. I use popoversegue in storyboard. </p>
  
  <p>How can i do this issue?</p>
  
  <p>Thanks for helpings. </p>
  
  <p><img src="https://i.stack.imgur.com/9jq8p.png" alt="enter image description here"></p>