/// <summary> /// Invoked when the application is launched normally by the end user. Other entry points /// will be used such as when the application is launched to open a specific file. /// </summary> /// <param name="e">Details about the launch request and process.</param> protected override async void OnLaunched(LaunchActivatedEventArgs e) { #if DEBUG if (System.Diagnostics.Debugger.IsAttached) { this.DebugSettings.EnableFrameRateCounter = true; } #endif AppShell shell = Window.Current.Content as AppShell; // Do not repeat app initialization when the Window already has content, // just ensure that the window is active if (shell == null) { // Create a AppShell to act as the navigation context and navigate to the first page shell = new AppShell(); // Set the default language shell.Language = Windows.Globalization.ApplicationLanguages.Languages[0]; shell.AppFrame.NavigationFailed += OnNavigationFailed; if (e.PreviousExecutionState == ApplicationExecutionState.Terminated) { //TODO: Load state from previously suspended application } } // Place our app shell in the current Window Window.Current.Content = shell; if (shell.AppFrame.Content == null) { // When the navigation stack isn't restored, navigate to the first page // suppressing the initial entrance animation. var settings = SimpleIoc.Default.GetInstance<ISettingsService>(); var access_token = await settings.ReadItemAsync<string>("access_token"); if (string.IsNullOrEmpty(access_token)) shell.AppFrame.Navigate(typeof(Views.LoginPage), e.Arguments, new Windows.UI.Xaml.Media.Animation.SuppressNavigationTransitionInfo()); else shell.AppFrame.Navigate(typeof(Views.FriendsPage), e.Arguments, new Windows.UI.Xaml.Media.Animation.SuppressNavigationTransitionInfo()); } // Ensure the current window is active Window.Current.Activate(); DispatcherHelper.Initialize(); }
/// <summary> /// Initializes a new instance of the AppShell, sets the static 'Current' reference, /// adds callbacks for Back requests and changes in the SplitView's DisplayMode, and /// provide the nav menu list with the data to display. /// </summary> public AppShell() { this.InitializeComponent(); this.Loaded += (sender, args) => { Current = this; this.TogglePaneButton.Focus(FocusState.Programmatic); }; SystemNavigationManager.GetForCurrentView().BackRequested += SystemNavigationManager_BackRequested; // If on a phone device that has hardware buttons then we hide the app's back button. if (ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons")) { this.BackButton.Visibility = Visibility.Collapsed; } NavMenuList.ItemsSource = navlist; Messenger.Default.Register<NavigationMessage>(this, message => this.NavigateTo(message)); }