iOS 13: Swift - 'Set application root view controller programmatically' does not work

Question

I have following code in my AppDelegate.swift to setup root view controller for an iOS application. But it does not work. It follows Target structure (defined under General

Answer 1

For Xcode 11+ and Swift 5+ inside SceneDelegate.swift

var window: UIWindow?

    func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
        if let windowScene = scene as? UIWindowScene {
            let window = UIWindow(windowScene: windowScene)
            let submodules = (
                home: HomeRouter.createModule(),
                search: SearchRouter.createModule(),
                exoplanets: ExoplanetsRouter.createModule()
            )
            
            let tabBarController = TabBarModuleBuilder.build(usingSubmodules: submodules)
            
            window.rootViewController = tabBarController
            self.window = window
            window.makeKeyAndVisible()
        }
    }