How to Auto call an @IBAction function

Question

Hi I am not sure how to do auto call a click-function for an @IBAction in Swift.

Say, I have a timer function, when countdown is finished, I need to call the Click-funct

Answer 1

You can either change the signature of the IBAction by making its parameter an Optional like this:

@IBAction func doSomeTask(sender: UIButton?) {
    // code
}

and then call it with nil as an argument:

doSomeTask(nil)

Or you can use the IBAction as a wrapper for the real function:

func doSomeTaskForButton() {
    // ...
}

@IBAction func doSomeTask(sender: UIButton) {
    doSomeTaskForButton()
}

meaning you can then call doSomeTaskForButton() from wherever you want.