swift2.0 动态获取键盘高度 Get KeyboardHeight
发布时间:2020-12-14 01:45:48 所属栏目:百科 来源:网络整理
导读:列表内容 监听键盘起落 下面是可以监听到得四种状态 UIKeyboardWillShowNotification: String UIKeyboardDidShowNotification: String UIKeyboardWillHideNotification: String UIKeyboardDidHideNotification: String NSNotificationCenter .defaultCenter
监听键盘起落 下面是可以监听到得四种状态 UIKeyboardWillShowNotification: String NSNotificationCenter.defaultCenter().addObserver(self,selector: "keyboardWillAppear:",name: UIKeyboardWillShowNotification,object: nil)
NSNotificationCenter.defaultCenter().addObserver(self,selector: "keyboardWillDisappear:",name:UIKeyboardWillHideNotification,object: nil)
func keyboardWillAppear(notification: NSNotification) {
// 获取键盘信息
let keyboardinfo = notification.userInfo![UIKeyboardFrameBeginUserInfoKey]
let keyboardheight:CGFloat = (keyboardinfo?.CGRectValue.size.height)!
print("键盘弹起")
print(keyboardheight)
}
func keyboardWillDisappear(notification:NSNotification){
print("键盘落下")
}
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