相关疑难解决方法(0)

我试图在键盘显示和消失时运行一个函数,并具有以下代码:

let notificationCenter = NotificationCenter.default
notificationCenter.addObserver(self, selector: #selector(ViewController.keyBoardUp(Notification :)), name:  NSNotification.Name.UIKeyboardWillShow, object: nil)

以下功能keyBoardUp:

func keyBoardUp( Notification: NSNotification){
    print("HELLO")
}

但是,当键盘显示时,该功能不会打印到控制台.非常感谢帮助