UItextField键盘弹出

//首先注册通知，键盘出现和消失的通知

[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(keyboardAppear:) name:UIKeyboardWillShowNotification object:nil];  [[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(keyboardDisappear:) name:UIKeyboardWillHideNotification object:nil];

完成响应事件

#pragma mark KeyBoard appear and disAppear

-(void)keyboardAppear:(NSNotification *)aNotification

{

    [UIView beginAnimations:nil context:nil];

    //设定动画持续时间

    [UIView setAnimationDuration:0.3];

    NSDictionary *userInfo = [aNotification userInfo];

    NSValue *aValue = [userInfo objectForKey:UIKeyboardFrameEndUserInfoKey];

    CGRect keyboardRect = [aValue CGRectValue];

    int height = keyboardRect.size.height;//键盘的高度

    //动画的内容

    [tintAndCheckAnswerButtonView setFrame:CGRectMake(0,self.frame.size.height-height-tintAndCheckAnswerButtonView.frame.size.height,tintAndCheckAnswerButtonView.frame.size.width, tintAndCheckAnswerButtonView.frame.size.height)];

    //动画结束

    [UIView commitAnimations];

}

 

-(void)keyboardDismiss:(NSNotification *)no

{

    [UIView beginAnimations:nil context:nil];

    //设定动画持续时间

    [UIView setAnimationDuration:0.3];

    //动画的内容

    [tintAndCheckAnswerButtonView setFrame:orignalTintAndCheckButton_ViewFrame];

    //动画结束

    [UIView commitAnimations];

}