NavigationManager2.swift

  public func start() {
      // We create the TabBarController and assign it to a property so we can have control of it
      // The tabs setup is inside the viewDidLoad of it
      tabBarController = TabBarController()

      // At this moment I created a BaseViewController where other VCs can inherit from and have useful methods
      tournamentsVC = BaseViewController()
      // We create a navigation controller so the drawer will have a navigation bar
      tournamentsNC = UINavigationController(rootViewController: tournamentsVC!)

      // We create the slide drawer with the classes created above
      drawerController = MMDrawerController(center: tabBarController!, leftDrawerViewController: tournamentsNC!)
      drawerController?.openDrawerGestureModeMask = .all
      drawerController?.closeDrawerGestureModeMask = .all
      drawerController?.setDrawerVisualStateBlock(MMDrawerVisualState.parallaxVisualStateBlock(withParallaxFactor: 2))

      // Finally we create the window with the same frame than the main screen and assign the drawerController to the rootViewController
      window = UIWindow(frame: UIScreen.main.bounds)
      window?.rootViewController = drawerController!
      window?.makeKeyAndVisible()
  }