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iosswiftuibuttonibactionanyobject

When should I use anyObject insted of UIButton in swift?

When should I use anyObject insted of UIButton in swift? I am making an IBAction for my button that will be used to do more than on task on of the tasks is to switch to the next view.

Solution

  • Ultimately, it really doesn't matter.

    You can choose to use the parameter of (sender: AnyObject) or you can use (sender: UIButton).

    There might be times however where you might have to cast AnyObject as a UIButton if you need access to the properties provided by UIButton.

    For example let's say you have and you want the button to disappear after it is clicked.

    func doSomething(sender: AnyObject) {
    let button: UIButton = sender as! UIButton
    button.hidden = true
}