     }
     
     var navigationBar: NavigationBar = NavigationBar()
-    
+    var keyboardFrame: CGRect?
     open var showsNavigationBar: Bool = false
     var ownsNavigationBar: Bool = true
     

        if #available(iOS 11.0, *) {
            scrollView?.contentInsetAdjustmentBehavior = .never
        }
    }
    
    override func viewWillAppear(_ animated: Bool) {

        }
    }
    
    deinit {
        NotificationCenter.default.removeObserver(self)
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        apply(theme: theme)
