//監(jiān)聽當鍵盤將要出現(xiàn)時

[[NSNotificationCenter defaultCenter] addObserver:selfselector:@selector(keyboardWillShow:)name:UIKeyboardWillShowNotificationobject:nil];

//監(jiān)聽當鍵將要退出時

[[NSNotificationCenter defaultCenter] addObserver:selfselector:@selector(keyboardWillHide:)name:UIKeyboardWillHideNotificationobject:nil];

//當鍵盤出現(xiàn)

- (void)keyboardWillShow:(NSNotification *)notification{

//獲取鍵盤的高度NSDictionary *userInfo = [notification userInfo];

NSValue *value = [userInfo objectForKey:UIKeyboardFrameEndUserInfoKey];

CGRect keyboardRect = [value CGRectValue];int height = keyboardRect.size.height;

}

//當鍵退出

- (void)keyboardWillHide:(NSNotification *)notification{

//獲取鍵盤的高度NSDictionary *userInfo = [notification userInfo];

NSValue *value = [userInfo objectForKey:UIKeyboardFrameEndUserInfoKey];

CGRect keyboardRect = [value CGRectValue];

int height = keyboardRect.size.height;

}

轉(zhuǎn)載：http://www.cocoachina.com/bbs/read.php?tid-329755.html