KeyBoard 在iOS7和iOS8上通知的区别

浏览数：56 / 时间：2015年06月11日

首先注册通知如下：

            NSNotificationCenter.defaultCenter().addObserver(self, selector: "keyboardWillShow:", name:UIKeyboardWillChangeFrameNotification, object:nil)



通知内容：

 func keyboardWillShow(noti:NSNotification){

       var userInfo :NSDictionary = noti.userInfo!

        var  duration :NSValue = userInfo["UIKeyboardAnimationDurationUserInfoKey"]asNSValue

        var animationDuration :NSTimeInterval! =0

        duration.getValue(&animationDuration)

       var keyFrame :NSValue = userInfo["UIKeyboardFrameEndUserInfoKey"]as NSValue

       var krect = keyFrame.CGRectValue()

}

打印内容如下：

注明：这是iPad横向的时候哦。

iOS7.1:键盘响应，弹起

{

    UIKeyboardAnimationCurveUserInfoKey = 7;

    UIKeyboardAnimationDurationUserInfoKey = "0.25";

    UIKeyboardBoundsUserInfoKey = "NSRect: {{0, 0}, {1024, 406}}";

    UIKeyboardCenterBeginUserInfoKey = "NSPoint: {512, 971}";

    UIKeyboardCenterEndUserInfoKey = "NSPoint: {512, 565}";

    UIKeyboardFrameBeginUserInfoKey = "NSRect: {{-406, 0}, {406, 1024}}";

    UIKeyboardFrameChangedByUserInteraction = 0;

    UIKeyboardFrameEndUserInfoKey = "NSRect: {{0, 0}, {406, 1024}}";

}

键盘响应，收回resignFirstResponder

UIKeyboardWillChangeFrameNotification; userInfo = {

    UIKeyboardAnimationCurveUserInfoKey = 7;

    UIKeyboardAnimationDurationUserInfoKey = "0.25";

    UIKeyboardBoundsUserInfoKey = "NSRect: {{0, 0}, {1024, 406}}";

    UIKeyboardCenterBeginUserInfoKey = "NSPoint: {512, 565}";

    UIKeyboardCenterEndUserInfoKey = "NSPoint: {512, 971}";

    UIKeyboardFrameBeginUserInfoKey = "NSRect: {{0, 0}, {406, 1024}}";

    UIKeyboardFrameChangedByUserInteraction = 0;

    UIKeyboardFrameEndUserInfoKey = "NSRect: {{-406, 0}, {406, 1024}}";

}


iOS8:键盘响应，弹起

{

    UIKeyboardAnimationCurveUserInfoKey = 7;

    UIKeyboardAnimationDurationUserInfoKey = "0.25";

    UIKeyboardBoundsUserInfoKey = "NSRect: {{0, 0}, {1024, 406}}";

    UIKeyboardCenterBeginUserInfoKey = "NSPoint: {512, 971}";

    UIKeyboardCenterEndUserInfoKey = "NSPoint: {512, 565}";

    UIKeyboardFrameBeginUserInfoKey = "NSRect: {{0, 768}, {1024, 406}}";

    UIKeyboardFrameEndUserInfoKey = "NSRect: {{0, 362}, {1024, 406}}";

}

键盘响应，收回resignFirstResponder

{

    UIKeyboardAnimationCurveUserInfoKey = 7;

    UIKeyboardAnimationDurationUserInfoKey = "0.25";

    UIKeyboardBoundsUserInfoKey = "NSRect: {{0, 0}, {1024, 406}}";

    UIKeyboardCenterBeginUserInfoKey = "NSPoint: {512, 565}";

    UIKeyboardCenterEndUserInfoKey = "NSPoint: {512, 971}";

    UIKeyboardFrameBeginUserInfoKey = "NSRect: {{0, 362}, {1024, 406}}";

    UIKeyboardFrameEndUserInfoKey = "NSRect: {{0, 768}, {1024, 406}}";

}


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