获取键盘高度

(void)viewDidLoad { [super viewDidLoad]; //增加监听，当键盘出现或改变时收出消息 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil]; } //当键盘出现或改变时调用(void)keyboardWillShow:(NSNotification *)aNotification { //获取键盘的高度 NSDictionary *userInfo = [aNotification userInfo]; NSValue *aValue = [userInfo objectForKey:UIKeyboardFrameEndUserInfoKey]; CGRect keyboardRect = [aValue CGRectValue]; self.keyboardHeight = keyboardRect.size.height; NSLog(@”%d”,self.keyboardHeight); }