#import "UIViewController+LxTabBadgePoint.h"

    //  Judge whether embed in tabbarController
    BOOL isEmbedInTabBarController = viewController.isEmbedInTabBarController;

    //  If yes, you can set showTabBadgePoint to show/hide tabBar badge view.
    viewController.showTabBadgePoint = YES/NO;

    //  Red point is default effect, you can change it to any you want view.
    viewController.tabBadgePointView = ...(You customed UIView object);

    //  You can adjust the tabBar badge view's position.
    viewController.tabBadgePointViewOffset = UIOffsetMake(3, 6);