Exemplo n.º 1
0
        /// <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

            Frame rootFrame = Window.Current.Content as Frame;

            // Do not repeat app initialization when the Window already has content,
            // just ensure that the window is active
            if (rootFrame == null)
            {
                // Create a Frame to act as the navigation context and navigate to the first page
                rootFrame = PageManager.Initialize();
                // Set the default language
                rootFrame.Language = Windows.Globalization.ApplicationLanguages.Languages[0];

                rootFrame.NavigationFailed += OnNavigationFailed;

                if (e.PreviousExecutionState == ApplicationExecutionState.Terminated &&
                    (DateTimeOffset.UtcNow - PageManager.LastSessionSavedDate).Hours <= 24)
                {
                    bool restoreResult = await PageManager.TryRestoreState();

                    if (restoreResult == false)
                    {
                        rootFrame = PageManager.Initialize();
                    }
                }

                // Place the frame in the current Window
                Window.Current.Content = rootFrame;
                // Initialize Calendar
                await CalendarManager.InitializeAsync();
            }

            if (rootFrame.Content == null)
            {
#if WINDOWS_PHONE_APP
                if (rootFrame.ContentTransitions != null)
                {
                    this.transitions = new TransitionCollection();
                    foreach (var c in rootFrame.ContentTransitions)
                    {
                        this.transitions.Add(c);
                    }
                }

                rootFrame.ContentTransitions = null;
                rootFrame.Navigated         += this.RootFrame_FirstNavigated;
#endif

                // When the navigation stack isn't restored navigate to the first page,
                // configuring the new page by passing required information as a navigation
                // parameter
                PageManager.NavigateTo(typeof(ListPage), null, NavigationType.FreshStart);
            }

            // Ensure the current window is active
            Window.Current.Activate();
        }