브로드 캐스팅 상용 방법

#define kShowLoginActionNotification @"kShowLoginActionNotification"

- (void)viewDidLoad
{

    [super viewDidLoad];

[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(showLoginPage:) name:kShowLoginActionNotification object:nil];

}

- (void)dealloc {

    [[NSNotificationCenter defaultCenter] removeObserver:self name:kShowLoginActionNotification object:nil];

}

- (void) showLoginPage:(NSNotification *) notification
{
  //실재 기능 구현
}