I was created UIButton with badge. I need badge is top.

   UIButton *invitationBtn = [UIButton buttonWithType:UIButtonTypeCustom];
     invitationBtn.frame = CGRectMake([[UIScreen mainScreen]bounds].size.width - ([[UIScreen mainScreen]bounds].size.width / 3.5) - 25, 30.0, [[UIScreen mainScreen]bounds].size.width / 3.5, [[UIScreen mainScreen]bounds].size.width / 3.5);
    [navBtn btn:invitationBtn title:@"a"];
    [self.view addSubview:invitationBtn];

    GIBadgeView *badgeView = [GIBadgeView new];
    [badgeView setBadgeValue:3];
    [invitationBtn addSubview:badgeView];