/// <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();
}
