Tabs controller performs dynamic adding and removing of the tab view controller…

Tabs controller performs dynamic adding and removing of the tab view controller upon transitioning between view controllers.

Sources/iOS/TabsController.swift

@@ -197,13 +197,15 @@ fileprivate extension TabsController {
             return
         }
         
+        let fvcIndex = viewControllers.index(of: fvc)
+        let tvcIndex = viewControllers.index(of: viewController)
+        
         let tvc = viewController
+        tvc.beginAppearanceTransition(true, animated: true)
+        prepareViewController(at: tvcIndex!)
         tvc.view.isHidden = false
         tvc.view.frame = container.bounds
         
-        let fvcIndex = viewControllers.index(of: fvc)
-        let tvcIndex = viewControllers.index(of: viewController)
-        
         var isAuto = false
         
         switch tvc.motionModalTransitionType {
@@ -229,6 +231,9 @@ fileprivate extension TabsController {
             
             s.rootViewController = tvc
             s.view.isUserInteractionEnabled = true
+            tvc.endAppearanceTransition()
+            
+            s.removeViewController(viewController: fvc)
             
             completion?(isFinished)