var window: UIWindow?
fileprivate func createMenuView() {

    // create viewController code...

    let storyboard = UIStoryboard(name: "Main", bundle: nil)

    let mainViewController = storyboard.instantiateViewController(withIdentifier: "NextView") as! NextViewController

    let SlidemenuViewController = storyboard.instantiateViewController(withIdentifier: "SlideMenuID") as! SlidemenuViewController

    let nvc: UINavigationController = UINavigationController(rootViewController: mainViewController)

    //nvc.navigationBar.isHidden = true


    UINavigationBar.appearance().shadowImage = UIImage()
    UINavigationBar.appearance().setBackgroundImage(UIImage(), for: .default)


    SlidemenuViewController.NextViewController = nvc

    let slideMenuController = SlideMenuController(mainViewController:nvc, leftMenuViewController: SlidemenuViewController)

    slideMenuController.automaticallyAdjustsScrollViewInsets = true

    self.window?.backgroundColor = UIColor(red: 236.0, green: 238.0, blue: 241.0, alpha: 1.0)
    self.window?.rootViewController = slideMenuController
    self.window?.makeKeyAndVisible()
}



func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {


            let navigationBarAppearace = UINavigationBar.appearance()
    navigationBarAppearace.tintColor = UIColor.black