[objective c] 간단하게 경고 팝업(UIAlertView) 띄우기

UIAlertView *alert = [[UIAlsertView alloc] initWithTitle:@"타이틀"
                                                 message:@"메시지"
                                                delegate:해당 델리게이트
                                       cancelButtonTitle:@"취소 버튼 타이틀"
                                        otherButtonTitle:@"예", @"추가 버튼", nil];
[alert show];
[alert release];