iOS键盘高度自适应（中英文输入）

一：添加通知监测键盘高度变化

   [self keyBoardAutoSize];

二：动态改变高度

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#pragma mark keyboard height auto

/*

 NSNotificationCenter：键盘出现、消失时的通知

  

  

 UIKeyboardWillShowNotification;

 UIKeyboardDidShowNotification;

 UIKeyboardWillHideNotification;

 UIKeyboardDidHideNotification;

  

 */

 

- (void) keyBoardAutoSize

{

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

 

}

 

 

- (void)keyBoardShow:(NSNotification *) notif

{

    NSDictionary *info = [notif userInfo];

    NSValue *value = [info objectForKey:UIKeyboardFrameEndUserInfoKey];

    CGSize keyboardSize = [value CGRectValue].size;

     

    NSLog(@"keyBoard:%f", keyboardSize.height);  //216

         

    if (keyboardSize.height==216) {

        [UIView animateWithDuration:0.25 animations:^{

            bottomInput.top = kScreenHeight - 74 - keyboardSize.height;

        }];

    }

    //中文状态输入 252

    else if (keyboardSize.height== 252 )

    {

        [UIView animateWithDuration:0.1 animations:^{

            bottomInput.top = kScreenHeight - 74 - keyboardSize.height;

        }];

        

    }

     

  

}

　　

三：移除通知

- (void)dealloc

{

    [_hubTip release];

     [[NSNotificationCenterdefaultCenter]removeObserver:selfname:UIKeyboardWillShowNotificationobject:nil];

    [super dealloc];

}