Make a UIButton programmatically in Swift

Question

I am trying to build UI\'s programmatically. How do I get this action working? I am developing with Swift.

Code in viewDidLoad:

over         


        

Answer 1

Swift 4.2 - XCode 10.1

Using a closure

let button: UIButton = {
  let button = UIButton(type: .system)
  button.titleLabel?.font = UIFont.systemFont(ofSize: 20)
  ...
  return button
}()