머라카노?

# pragma clang diagnostic push -- 추가

# pragma clang diagnostic ignored "-Warc-performSelector-leaks" -- 추가

  실행 코드

  [target performSelector:callBack withObject:dataToString];

#  pragma clang diagnostic pop -- 추가

해당 구문을 추가하면 워링경고창이 사라진다

performselector may cause a leak because its selector is unknown 에러는 말그대로 셀럭터를 못찾는다는 뜻

UIView *divView = [UIView new];

[divView setBackgroundColor:[[UIColor blackColor] colorWithAlphaComponent:0.8f]];

UIScrollView *scrollBody;

[scrollBody setContentOffset:CGPointMake(scrollBody.contentOffset.x, 0) animated:NO];

Boolean *checkYn = [UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera];

@try {

    ABUnknownPersonViewController *abView = [[ABUnknownPersonViewController alloc] init];

    UINavigationController *nc = [[UINavigationController alloc] initWithRootViewController:abView];

    abView.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]

                                             initWithBarButtonSystemItem:UIBarButtonSystemItemCancel

                                             target:target

                                             action:@selector(setCloseAddressView)];

    abView.unknownPersonViewDelegate = target;

    abView.allowsAddingToAddressBook = YES;

    abView.displayedPerson           = newPerson;

    [target presentModalViewController:nc animated:YES];

  } @catch(NSException *exception) {

    NSLog(@"Exception : %@", exception);

  }

.h 파일

1. #import <MessageUI/MessageUI.h>

2. <MFMessageComposeViewControllerDelegate> 추가 

// 발송 화면 Intent

- (void) setSendMessage {

  if ([MFMessageComposeViewController canSendText]) {

    MFMessageComposeViewController *view = [[MFMessageComposeViewController alloc] init];

    view.body = @"Sms Content";

    view.recipients = [NSArray arrayWithObject:@"01012345678"];

    view.messageComposeDelegate = self;

    [self presentViewController:view animated:YES completion:nil];

  }

}

// 창닫기, 전송완료시 호출

- (void) messageComposeViewController : (MFMessageComposeViewController *) controller didFinishWithResult : (MessageComposeResult) result {

  [self dismissViewControllerAnimated:YES completion:nil];

  if (result == MessageComposeResultSent) {

    NSLog(@"Send");

  } else {

    NSLog(@"Cancel");

  }

}

NSString *phoneNum = @"01012345678";

NSString *dummy = [phoneNum substringWithRange:NSMakeRange(0, 3)];

NSLog(@"Phone : %@", dummy);

NSTimer *_timer;

- (void) setTimer {

  NSTimer *timer = [NSTimer scheduledTimerWithTimeInterval:5

                                                          target:self

                                                        selector:@selector(startTimer:)

                                                        userInfo:nil

                                                         repeats:YES];

  _timer = timer;

}

- (void) startTimer : (NSTimer *) timer {

  [chatMessageController getMessageData];

}

- (void) stopTimer {

  if( _timer != NULL ) {

    [_timer invalidate];

    _timer = NULL;

  }

}

NSNumberFormatter *numberFormatter = [[NSNumberFormatter alloc] init];

[numberFormatter setNumberStyle:NSNumberFormatterDecimalStyle];

NSString *commaCount = [numberFormatter stringFromNumber:[NSNumber numberWithInt:[dataCount integerValue]]];

NSLog("Comma : %@", commaCount);

UIButton *btnStart;

CALayer *btnLayer           = btnStart.layer;

CAGradientLayer *gLayer     = [CAGradientLayer layer];

gLayer.cornerRadius = 5;

gLayer.frame  = btnLayer.bounds;

gLayer.colors = [NSArray arrayWithObjects:

                     (id)DEFINE_SET_RGB(93, 167, 236, 0.5f).CGColor,

                     (id)DEFINE_SET_RGB(83, 154, 224, 0.7f).CGColor,

                     (id)DEFINE_SET_RGB(65, 132, 204, 1.0f).CGColor,

                     (id)DEFINE_SET_RGB(53, 117, 190, 0.8f).CGColor,

                     nil];

[btnLayer insertSublayer:gLayer atIndex:0];