UIButton in Swift is not registering touches

Question

I\'m trying to create a UIButton using Swift. It compiles fine and I can see my button in the simulator, but when I click it, nothing happens. This is the code I am using:

Answer 1

For those who are also stuck in the tutorial:

I ran in to the same problem, when I was following Apple's "Start Developing iOS Apps (Swift)". It turned out that I had overlooked these code lines in the tutorial:

override var intrinsicContentSize : CGSize {
    return CGSize(width: 240, height: 44)
}

Adding them to my RatingControl fixed the problem.