/// <summary> /// Populates the page with content passed during navigation. Any saved state is also /// provided when recreating a page from a prior session. /// </summary> /// <param name="navigationParameter">The parameter value passed to /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested. /// </param> /// <param name="pageState">A dictionary of state preserved by this page during an earlier /// session. This will be null the first time a page is visited.</param> protected override void LoadState(Object navigationParameter, Dictionary <String, Object> pageState) { // TODO: Assign a bindable group to this.DefaultViewModel["Group"] // TODO: Assign a collection of bindable items to this.DefaultViewModel["Items"] DateTime thisDate = DateTime.Now; string feedTitle = "Astrology and Horoscope " + thisDate.Year + " by www.findyourfate.com"; FeedData feedData = FeedDataSource.GetFeed(feedTitle); if (feedData != null) { this.DefaultViewModel["Feeds"] = feedData; this.DefaultViewModel["Items"] = feedData.Items; } else { itemListView.Visibility = Windows.UI.Xaml.Visibility.Collapsed; itemDetail.Visibility = Windows.UI.Xaml.Visibility.Collapsed; titlePanel.Visibility = Windows.UI.Xaml.Visibility.Collapsed; nointernet.Visibility = Windows.UI.Xaml.Visibility.Visible; no.Visibility = Windows.UI.Xaml.Visibility.Visible; } if (pageState == null) { // When this is a new page, select the first item automatically unless logical page // navigation is being used (see the logical page navigation #region below.) if (!this.UsingLogicalPageNavigation() && this.itemsViewSource.View != null) { this.itemsViewSource.View.MoveCurrentToFirst(); } } else { // Restore the previously saved state associated with this page if (pageState.ContainsKey("SelectedItem") && this.itemsViewSource.View != null) { // TODO: Invoke this.itemsViewSource.View.MoveCurrentTo() with the selected // item as specified by the value of pageState["SelectedItem"] string itemTitle = (string)pageState["SelectedItem"]; FeedItem selectedItem = FeedDataSource.GetItem(itemTitle); this.itemsViewSource.View.MoveCurrentTo(selectedItem); } } }
protected async override void OnLaunched(LaunchActivatedEventArgs args) { Frame rootFrame = Window.Current.Content as Frame; Horoscope.Common.SuspensionManager.RegisterFrame(rootFrame, "AppFrame"); // 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 = new Frame(); /* var connectionProfile = Windows.Networking.Connectivity.NetworkInformation.GetInternetConnectionProfile(); * if (connectionProfile != null) */ if (IsInternet()) { FeedDataSource feedDataSource = (FeedDataSource)App.Current.Resources["feedDataSource"]; if (feedDataSource != null) { if (feedDataSource.Feeds.Count == 0) { await feedDataSource.GetFeedsAsync(); } } } else { var messageDialog = new Windows.UI.Popups.MessageDialog("An internet connection is needed to download feeds. Please check your connection and restart the app."); var result = messageDialog.ShowAsync(); } if (args.PreviousExecutionState == ApplicationExecutionState.Terminated) { //TODO: Load state from previously suspended application await Horoscope.Common.SuspensionManager.RestoreAsync(); } // Place the frame in the current Window Window.Current.Content = rootFrame; } if (rootFrame.Content == null) { // When the navigation stack isn't restored navigate to the first page, // configuring the new page by passing required information as a navigation // parameter /* var connectionProfile = Windows.Networking.Connectivity.NetworkInformation.GetInternetConnectionProfile(); * if (connectionProfile != null) */ if (IsInternet()) { if (!rootFrame.Navigate(typeof(SplitPage), args.Arguments)) { throw new Exception("Failed to create initial page"); } } else if (!rootFrame.Navigate(typeof(BlankPage1), args.Arguments)) { throw new Exception("Failed to create initial page"); } } // Ensure the current window is active Window.Current.Activate(); }