How do you add an action to a button programmatically in xcode

Question

I know how to add an IBAction to a button by dragging from the interface builder, but I want to add the action programmatically to save time and to avoid switching back and

Answer 1

For Swift 3

Create a function for button action first and then add the function to your button target

func buttonAction(sender: UIButton!) {
    print("Button tapped")
}

button.addTarget(self, action: #selector(buttonAction),for: .touchUpInside)