title: Programmatically show and hide the popover (MasterViewController) in UISplitViewController (Master-Detail Template)
body: <p>I want to add a button that show/hides the popover, similarly to the one of the DropBox app.
  (In both landscape &amp; portrait)</p>
  
  <p><img src="https://imageshack.com/scaled/large/707/hly.png" alt="DropBoxAppImageLink"></p>
  
  <p>I have tried many solutions, but at this stage I don't even want to muddy the water with my attempts. If you've done this, or know how to do this, please send me in the right direction!</p>
  
  <p>Thanks!</p>