ChangeNavBarAppearance

ChangeAppearance.swift

  func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override point for customization after application launch.
        
        if let navController = window!.rootViewController as? UINavigationController {
            navController.delegate = self
            let appearance2 = UINavigationBarAppearance()
            appearance2.backgroundColor = .systemBlue
            appearance2.titleTextAttributes = [.foregroundColor: UIColor.white]
            appearance2.largeTitleTextAttributes = [.foregroundColor: UIColor.white]
            
            
            navController.navigationBar.standardAppearance = appearance2
            navController.navigationBar.compactAppearance = appearance2
            navController.navigationBar.scrollEdgeAppearance = appearance2
            
            navController.navigationBar.tintColor = .white
        }
        return true
    }