public HomePage(Page page = null) { try { Instance = this; InitializeComponent(); NavigationHandler.SetMasterPage(this); var servicesTabPage = new DashboardPage(); this.Detail = new NavigationPage(servicesTabPage) { BarTextColor = Color.White }; mAppServices = DependencyService.Get <IAppServices>(); this.PropertyChanged += (sender, e) => { try { if (e.PropertyName == nameof(this.Detail)) { mAppServices.SetNetworkBar(false); } } catch (Exception e1) { ExceptionHandler.Catch(e1); } }; if (Shared.IsLoggedIn && Shared.UserId == -1) { var userModel = Shared.APIs.IUsers.GetCurrentUser(); Shared.UserId = userModel.ID; } masterPage.ListView.ItemTapped += ListView_ItemTapped; this.IsPresentedChanged += (sender, e) => { try { if (IsPresented) { var itemsSource = masterPage.ListView.ItemsSource; masterPage.ListView.ItemsSource = null; masterPage.ListView.ItemsSource = itemsSource; } } catch (Exception e1) { ExceptionHandler.Catch(e1); } }; } catch (Exception e) { ExceptionHandler.Catch(e); } }