ContainerView-TabBar

This Project Helps in integration of conatiner View , Multiple View Controllers, toolBar And Tabbar Controller That can switch between multiple Tabs

Flow

-----> Main View Controller
   ---> Up Bar
   ---> Bottom ToolBar
        ---> Three Buttons
   ---> ContainerView
        ---> Tab Bar Controller
        ---> Second Vc on Click of Second Button
        ---> Third Vc on Click of Third Button

Reference to Tabbar Controller

  private lazy var FirstObject: mainTabController =
{
    // Instantiate View Controller
    let viewController = self.storyboard?.instantiateViewController(withIdentifier: "mainTabController") as! mainTabController
    
    // Add View Controller as Child View Controller
    self.addChildViewController(viewController)
    return viewController
}()

Adding Tabbar in container View

private func add(asChildViewController viewController: UIViewController)
{
    // Configure Child View
    viewController.view.frame = CGRect(x: 0, y: 0, width: self.firstContainer.frame.size.width, height: self.firstContainer.frame.size.height)
    
    // Add Child View Controller
    addChildViewController(viewController)
    viewController.view.translatesAutoresizingMaskIntoConstraints = true
    
    // Add Child View as Subview
    firstContainer.addSubview(viewController.view)
    
    // Notify Child View Controller
    viewController.didMove(toParentViewController: self)
}

Expected Output : Basic Output

When Clicked on Buttons In ToolBar Added - Output