title: how to create viewcontroller for ipad in ios Aplication?
body: <p>I am working on a iPad Application.
  My target is set to Ipad.</p>
  
  <p>in Storyboard when i add new view controller.i am not able to add Size for ipad like iPad Full Size etc.issue is attached in Screenshot.
  Choose <code>Size</code> from Xcode's <strong>Attributes Inspector</strong> is showing <code>Invalid value</code>.</p>
  
  <p>Please Help me to find out an issue.</p>
  
  <p><a href="https://i.stack.imgur.com/XBkNy.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/XBkNy.png" alt="enter image description here"></a></p>