Storyboard and autolayout: how make a circular image

Question

in storyboard (xcode 6) i want a circular user image profile take from Facebook.

So i have make this interface in storyboard, using auto layout:

Answer 1

More steps:

1. Add aspect ratio constraint 1:1
2. mark check clip to bounds attribute in attribute inspector
3. make outlet of your view into you controller class

4. set corner radius to half of either its height or width

   yourImageViewOutlet.layer.cornerRadius = yourImageViewOutlet.frame.size.width / 2.0