Set badge number which are shown at the icon top right corner

UIApplication *application = [UIApplication sharedApplication];
   
application.applicationIconBadgeNumber = 3;




+ (void)setBadgeNumber:(NSUInteger)totalBedgeNumber{
   
    UIApplication *application = [UIApplication sharedApplication];
   
    application.applicationIconBadgeNumber = totalBedgeNumber;
   
}

+ (void)increaseBadgeNumber{
    UIApplication *application = [UIApplication sharedApplication];
   
    application.applicationIconBadgeNumber += 1;
}

+ (void)decreaseBadgeNumber{
    UIApplication *application = [UIApplication sharedApplication];
   
    application.applicationIconBadgeNumber -= 1;
}