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If you anycodings_badge try to use appDelegate you will get an anycodings_badge error that window no longer exists. To group the windows, move your cursor to the top edge of the title bar. The key here is anycodings_badge appDelegate no longer has access to anycodings_badge window, the sceneDelegate does. Hope this helps for the people using the anycodings_badge newer XCode out there. Programatically setting up a tab bar controller If you have 2 view controllers vc1 and vc2 created programmatically, then you can instantiate a UITabBarController and initialize it like this: let tabBarController UITabBarController() tabBarController. UITabBarController *myTabBarController = [storyboard ([nonLette Step 1: Add tab bar controller as initial view controller. Specify the maximum number of editor tabs to be displayed. Some suggestion? UIStoryboard* storyboard = With debug, I anycodings_badge can see that now I can change the badge anycodings_badge on desired tab, but in reality don't anycodings_badge change in graphics (the red number not anycodings_badge appear). In application(:didFinishLaunchingWithOptions:), we ask the application window for its root view controller and cast it to an instance.