Register for push notifications - objc

gistfile1.txt

if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0)
    { [[UIApplication sharedApplication] registerUserNotificationSettings:
       [UIUserNotificationSettings settingsForTypes:
        (UIUserNotificationTypeSound |
         UIUserNotificationTypeAlert |
         UIUserNotificationTypeBadge) categories:nil]];
        
        [[UIApplication sharedApplication] registerForRemoteNotifications];
    }
    else
    {
        [[UIApplication sharedApplication] registerForRemoteNotificationTypes:
         (UIUserNotificationTypeBadge |
          UIUserNotificationTypeSound |
          UIUserNotificationTypeAlert)];
    }