iOS——UIKeyboardWillShowNotification 监听键盘高度变化
- (void)viewDidLoad {
[super viewDidLoad];
UITextField *textField = [[UITextField alloc]initWithFrame:CGRectMake(100, 100, 100, 50)];
textField.backgroundColor = [UIColor blueColor];
[self.view addSubview:textField];
[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
};
-(void)keyboardWillShow:(NSNotification*)notification{
NSDictionary*info=[notification userInfo];
CGSize kbSize=[[info objectForKey:UIKeyboardFrameEndUserInfoKey]CGRectValue].size;
NSLog(@"keyboard changed, keyboard width = %f, height = %f",
kbSize.width,kbSize.height);
//在这里调整UI位置
}
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