Tap gesture UIImageView

Hey guys. Here is what I am trying to do:

  1. Ive created and UIImageView that displays an image.
  2. Ive created an UILabel (3/4 size of the image)
  3. When I tap an image, Id like that UILabel to cover part of that image.

Any clues how to do that? Ive tried addTapGestureRecognizer but Im not sure how to do it in a best way. Any help appreciated.

Better asked over at the Apple Developer forums, or other Apple-specific site. This question is about Apple private frameworks, not Swift.