void RegisterEvents()
        {
            int n = 0;

            ViewModel.PropertyChanged += async(sender, e) =>
            {
                switch (e.PropertyName)
                {
                case "MoveToSearch":
                    Debug.WriteLine($"MoveToSearch = {mainInnerStack?.Children.Count}");
                    if (ViewModel.MoveToSearch)
                    {
                        mainInnerStack?.Children.RemoveAt(1);
                        mainInnerStack?.Children.Add(SearchSelectAddDetails.SearchSelectAddVehicle(titleBar, ViewModel));
                    }
                    break;

                case "MoveToAdd":
                    Debug.WriteLine($"MoveToSearch = {mainInnerStack?.Children.Count}");
                    if (ViewModel.MoveToAdd)
                    {
                        if (mainInnerStack?.Children.Count > 1)
                        {
                            mainInnerStack?.Children.RemoveAt(1);
                        }
                        mainInnerStack?.Children.Add(AddVehicleDetails.AddVehicle(titleBar, ViewModel));
                    }
                    break;

                case "MoveToPair":
                    Debug.WriteLine($"[in] MoveToSearch = {mainInnerStack?.Children.Count}");
                    if (ViewModel.MoveToPair)
                    {
                        mainInnerStack?.Children.RemoveAt(1);
                        mainInnerStack?.Children.Add(FindBluetoothPairingDetails.FindBluetooth(titleBar, ViewModel));
                        ViewModel.PopulateBasedOnId();
                    }
                    break;

                case "MoveToSummary":
                    if (ViewModel.MoveToSummary)
                    {
                        mainInnerStack?.Children.RemoveAt(1);
                        mainInnerStack?.Children.Add(VehicleSummaryDetails.VehicleSummary(titleBar, ViewModel));
                    }
                    break;

                case "MoveToPairing":
                    if (ViewModel.MoveToPairing)
                    {
                        mainInnerStack?.Children.RemoveAt(1);
                        mainInnerStack?.Children.Add(PairingToDevice.PairToDevice(titleBar, ViewModel));
                    }
                    break;

                case "MoveToComplete":
                    if (ViewModel.MoveToComplete)
                    {
                        mainInnerStack?.Children.RemoveAt(1);
                        mainInnerStack?.Children.Add(PairingCompleted.PairingComplete(titleBar, ViewModel));
                    }
                    break;

                case "MoveToLogin":
                    if (ViewModel.MoveToLogin)
                    {
                        await Navigation.PushAsync(new LoginPage());

                        ViewModel.ResetFlags();
                    }
                    break;
                }
            };
        }
        void CreateUI()
        {
            stack = new StackLayout
            {
                Orientation     = StackOrientation.Vertical,
                WidthRequest    = App.ScreenSize.Width,
                HeightRequest   = App.ScreenSize.Height - 48,
                VerticalOptions = LayoutOptions.StartAndExpand
            };

            innerStack = new StackLayout
            {
                VerticalOptions     = LayoutOptions.Start,
                IsVisible           = false,
                HorizontalOptions   = LayoutOptions.Start,
                Orientation         = StackOrientation.Horizontal,
                MinimumWidthRequest = App.ScreenSize.Width,
                WidthRequest        = App.ScreenSize.Width,
                HeightRequest       = App.ScreenSize.Height - 48,
            };

            mainInnerStack = new StackLayout
            {
                VerticalOptions     = LayoutOptions.Start,
                HorizontalOptions   = LayoutOptions.Center,
                Orientation         = StackOrientation.Vertical,
                MinimumWidthRequest = App.ScreenSize.Width,
                WidthRequest        = App.ScreenSize.Width,
                HeightRequest       = App.ScreenSize.Height - 48,
                //TranslationX = -6,
                InputTransparent = true,
                TranslationY     = -6
            };

            var topbar = new TopBar(!FromStart, "", this, 1, "", "", innerStack).CreateTopBar();

            stack.HeightRequest = App.ScreenSize.Height - topbar.HeightRequest;

            titleBar = new TitleBar("");

            mainInnerStack.Children.Add(titleBar);
            if (!FromStart)
            {
                mainInnerStack.Children.Add(SearchSelectAddDetails.SearchSelectAddVehicle(titleBar, ViewModel));
            }
            else
            {
                mainInnerStack.Children.Add(IntroManageDetails.IntroManage(titleBar, ViewModel));
            }

            //innerStack.Children.Add(mainInnerStack);

            var masterStack = new StackLayout
            {
                HorizontalOptions = LayoutOptions.Start,
                VerticalOptions   = LayoutOptions.Start,
                Children          =
                {
                    new StackLayout
                    {
                        VerticalOptions   = LayoutOptions.Start,
                        HorizontalOptions = LayoutOptions.Start,
                        WidthRequest      = App.ScreenSize.Width,
                        Children          = { topbar }
                    },
                    //innerStack,
                    mainInnerStack
                }
            };

            Content = masterStack;

            if (FromStart)
            {
                ViewModel.MoveToSearch = true;
            }
        }