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    func hidesSystemTabBar(_ isHidden: Bool) {
        UIView.beginAnimations(nil, context: nil)
        UIView.setAnimationDuration(0.3)
        
        if self.tabBarController?.view.subviews == nil {
            return;
        }
        for view in (self.tabBarController?.view.subviews)! {
            if view.isKind(of: UITabBar.classForCoder()) {
                if (isHidden) {
                    view.frame = CGRect(x: view.frame.origin.x, y: UIScreen.main.bounds.size.height, width: view.frame.size.width , height: view.frame.size.height)
                }else{
                    view.frame = CGRect(x: view.frame.origin.x, y: UIScreen.main.bounds.size.height - 49, width: view.frame.size.width, height: view.frame.size.height)
                }
            }else{
                if view.isKind(of: NSClassFromString("UITransitionView")!) {
                    if (isHidden) {
                        view.frame = CGRect(x: view.frame.origin.x, y: view.frame.origin.y, width: view.frame.size.width ,  height: UIScreen.main.bounds.size.height)
                    } else {
                        view.frame = CGRect(x: view.frame.origin.x, y: view.frame.origin.y, width: view.frame.size.width, height: UIScreen.main.bounds.size.height - 49 )
                    }
                }
            }
        }
        
        UIView.commitAnimations()
    }

UIImage *imgPlaceAd = [UIImage imageNamed:@"placeAd-tab-bar"];
UIImageView *imgTab = [[UIImageView alloc] initWithFrame:CGRectMake(self.tabBarController.tabBar.center.x - imgPlaceAd.size.width/2,
                                                    8.0,
                                                    imgPlaceAd.size.width,
                                                    imgPlaceAd.size.height)];
    
    imgTab.image = imgPlaceAd;

    [self.tabBarController.tabBar addSubview:imgTab];

internal func select(itemAtIndex idx: Int, animated: Bool) 
{....}

PlaceAdView *placeAdVC = [[PlaceAdView alloc] init];
    
placeAdVC.tabBarItem = [[ESTabBarItem alloc] init:[[TabBarBouncesContentView alloc] init] title:@"" image:[UIImage imageNamed:@"placeAd-tab-bar"] selectedImage:[UIImage imageNamed:@"placeAd-tab-bar"] tag:2];

let splashVC = self.storyboard!.instantiateViewController(withIdentifier: "Splash")

        let tabBarController = ESTabBarController()
        tabBarController.delegate = self
        tabBarController.title = "Irregularity"
        tabBarController.tabBar.shadowImage = UIImage(named: "transparent")
        tabBarController.tabBar.backgroundImage = UIImage(named: "background_dark")
        
        let v1 = DashboardViewController()
        let v2 = FollowViewController()
        let v3 = BuyViewController()
        let v4 = MessageViewController()
        let v5 = PurchaseRecordsViewController()
        
        v1.tabBarItem = ESTabBarItem.init(ExampleIrregularityBasicContentView(), title: "Dashboard", image: UIImage(named: "home"), selectedImage: UIImage(named: "home_1"))
        v2.tabBarItem = ESTabBarItem.init(ExampleIrregularityBasicContentView(), title: "Follow", image: UIImage(named: "find"), selectedImage: UIImage(named: "find_1"))
        v3.tabBarItem = ESTabBarItem.init(ExampleIrregularityContentView(), title: nil, image: UIImage(named: "shop"), selectedImage: UIImage(named: "shop_1"))
        v4.tabBarItem = ESTabBarItem.init(ExampleIrregularityBasicContentView(), title: "Messagage", image: UIImage(named: "favor"), selectedImage: UIImage(named: "favor_1"))
        v5.tabBarItem = ESTabBarItem.init(ExampleIrregularityBasicContentView(), title: "Purchase Records", image: UIImage(named: "me"), selectedImage: UIImage(named: "me_1"))
        
        tabBarController.viewControllers = [v1, v2, v3, v4, v5]
        
        let navigationController = MainNavigationController.init(rootViewController: tabBarController)
        tabBarController.title = "Test"
        
        self.present(navigationController, animated: true, completion: nil)
        
        
        UIApplication.shared.keyWindow?.addSubview(splashVC.view)

class ECPTabBarController: ESTabBarController {

    override func viewDidLoad() {
        self.isHeroEnabled = true
        self.heroTabBarAnimationType = HeroDefaultAnimationType.push(direction: HeroDefaultAnimationType.Direction.left)
        addChildVC(childVc: DashboardViewController(), title: "Dashboard", iconImage: "Dashboard")
        addChildVC(childVc: AddActionViewController(), title: "Add New", iconImage: "AddNew")
        addChildVC(childVc: PendingActionViewController(), title: "Pending Items", iconImage: "Notification")
        addChildVC(childVc: SettingsViewController(), title: "Settings", iconImage: "Settings")
        super.viewDidLoad()
        self.selectedIndex = 0
       
![firstimage](https://cloud.githubusercontent.com/assets/658004/24071001/fd825754-0c02-11e7-9edd-98d52751ccb0.jpg)
![secondimage](https://cloud.githubusercontent.com/assets/658004/24071002/01bf0b64-0c03-11e7-915c-cf0ad3a06e5b.jpg)


    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    
    fileprivate func addChildVC(childVc:UIViewController , title:String,iconImage:String)->Void{
        childVc.tabBarItem = ESTabBarItem.init(TabbarBounceContentView(), title: "Home", image: UIImage(named: iconImage), selectedImage: UIImage(named: iconImage))
        let navigationController = ECPBaseNavigationController(rootViewController: childVc)
        self.addChildViewController(navigationController);
        
    }


}

class TabbarBasicContentView: ESTabBarItemContentView {
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        textColor = UIColor.gray
        highlightTextColor = UIColor.ecpBlueNotationColor()
        iconColor = UIColor.gray
        highlightIconColor = UIColor.ecpBlueNotationColor()    }
    
    public required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    
}

class TabbarBounceContentView: TabbarBasicContentView {
    
    public var duration = 0.3
    
    override init(frame: CGRect) {
        super.init(frame: frame)
    }
    
    public required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func selectAnimation(animated: Bool, completion: (() -> ())?) {
        self.bounceAnimation()
        completion?()
    }
    
    override func reselectAnimation(animated: Bool, completion: (() -> ())?) {
        self.bounceAnimation()
        completion?()
    }
    
    func bounceAnimation() {
        let impliesAnimation = CAKeyframeAnimation(keyPath: "transform.scale")
        impliesAnimation.values = [1.0 ,1.4, 0.9, 1.15, 0.95, 1.02, 1.0]
        impliesAnimation.duration = duration * 2
        impliesAnimation.calculationMode = kCAAnimationCubic
        imageView.layer.add(impliesAnimation, forKey: nil)
    }
}

class MyESTabbarItem: ESTabBarItemContentView {
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        imageView.frame = CGRect(x: 0, y: 0, width: 60, height: 60)
        imageView.center = center
        imageView.backgroundColor =  #colorLiteral(red: 0.9490196078, green: 0.3333333333, blue: 0.3333333333, alpha: 1)

        
        insets = UIEdgeInsetsMake(5, 0, 0, 0)
       let transform = CGAffineTransform.identity
      imageView.transform = transform
        superview?.bringSubview(toFront: self)
        
        textColor = #colorLiteral(red: 0.8823529412, green: 0.7960784314, blue: 0.7960784314, alpha: 1)
        highlightTextColor = #colorLiteral(red: 0.9490196078, green: 0.3333333333, blue: 0.3333333333, alpha: 1)
        iconColor = #colorLiteral(red: 0.8823529412, green: 0.7960784314, blue: 0.7960784314, alpha: 1)
        highlightIconColor = #colorLiteral(red: 1, green: 1, blue: 1, alpha: 1)
        backdropColor = #colorLiteral(red: 0, green: 0, blue: 0, alpha: 0)
        highlightBackdropColor = #colorLiteral(red: 0, green: 0, blue: 0, alpha: 0)
    }
}