解决方法
添加两个观察者
NSNotificationCenter.defaultCenter().addObserver(self,selector: "keyboardVisible:",name: UIKeyboardDidShowNotification,object: nil) NSNotificationCenter.defaultCenter().addObserver(self,selector: "keyboardHidden:",name: UIKeyboardDidHideNotification,object: nil) func keyboardVisible(notif: NSNotification) { print("keyboardVisible") } func keyboardHidden(notif: NSNotification) { print("keyboardHidden") }
每当键盘可见时,都会调用keyboardVisible,每当键盘被隐藏时,都会调用keyboardHidden.
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