/// <summary>
/// Provisions the app for People app integration if it is supported
/// by the current platform.
/// </summary>
/// <returns>An awaitable Task for social provisioning</returns>
private async Task _SocialInfoProvisionAsync()
{
// Use the SocialInfoProviderManager to provision this app
if (PlatformUtilities.IsSocialInfoApiAvailable())
{
bool isProvisionSuccessful = await SocialInfoProviderManager.ProvisionAsync();
// Throw an exception if the app could not be provisioned
if (!isProvisionSuccessful)
{
throw new Exception("Could not provision the app with the SocialInfoProviderManager.");
}
}
}
/// <summary>
/// Downloads the feed asynchronously
/// </summary>
/// <returns>An awaitable Task</returns>
public override async Task DownloadFeedAsync()
{
// Query the "database" for the home feeds
IEnumerable <FeedItem> homeFeedItems =
InMemorySocialCache.Instance.GetHomeFeeds(OwnerRemoteId, ItemCount);
// Check if the platform supports the SocialInfo APIs
if (!PlatformUtilities.IsSocialInfoApiAvailable())
{
return;
}
// Create the social feed updater
SocialFeedUpdater feedUpdater = await SocialInfoProviderManager.CreateSocialFeedUpdaterAsync(
SocialFeedKind.HomeFeed,
SocialFeedUpdateMode.Replace,
OwnerRemoteId);
// Generate each of the feed items
foreach (FeedItem fi in homeFeedItems)
{
SocialFeedItem item = new SocialFeedItem();
item.Timestamp = fi.Timestamp;
item.RemoteId = fi.Id;
item.TargetUri = fi.TargetUri;
item.Author.DisplayName = fi.AuthorDisplayName;
item.Author.RemoteId = fi.AuthorId;
item.PrimaryContent.Title = fi.Title;
item.PrimaryContent.Message = fi.Message;
if (fi.ImageUri != null)
{
item.Thumbnails.Add(new SocialItemThumbnail()
{
TargetUri = fi.TargetUri,
ImageUri = fi.ImageUri
});
}
feedUpdater.Items.Add(item);
}
await feedUpdater.CommitAsync();
}
/// <summary>
/// Handler for the user clicking the LogOut button
/// </summary>
public async void LogOut_Button_Click(object sender, RoutedEventArgs e)
{
// Get the ContactList and ContactAnnotationList
ContactList contactList = await _GetContactListAsync();
// Delete the contact list to remove all of the information that was
// inserted by this app
await contactList.DeleteAsync();
// Use the SocialInfoProviderManager to deprovision this app.
// In build 10240, this API is only present in the Mobile SDK extension.
if (PlatformUtilities.IsSocialInfoApiAvailable())
{
await SocialInfoProviderManager.DeprovisionAsync();
}
// Mark the user as no longer logged in
ApplicationSettings.SaveIsUserLoggedIn(false);
// Update the state of the buttons
LogInButton.IsEnabled = true;
LogOutButton.IsEnabled = !LogInButton.IsEnabled;
}
/// <summary>
/// Downloads the feed asynchronously
/// </summary>
/// <returns>An awaitable Task</returns>
public override async Task DownloadFeedAsync()
{
// Get the dashboard feed item from the database
FeedItem dashboardFeedItem = InMemorySocialCache.Instance.GetDashboardFeed(OwnerRemoteId);
if (dashboardFeedItem != null)
{
// Check if the platform supports the SocialInfo APIs
if (!PlatformUtilities.IsSocialInfoApiAvailable())
{
return;
}
SocialDashboardItemUpdater dashboard =
await SocialInfoProviderManager.CreateDashboardItemUpdaterAsync(OwnerRemoteId);
dashboard.Content.Message = dashboardFeedItem.Message;
dashboard.Content.Title = dashboardFeedItem.Title;
dashboard.Timestamp = dashboardFeedItem.Timestamp;
// The TargetUri of the dashboard always has to be set
dashboard.TargetUri = dashboardFeedItem.TargetUri;
// For a thumbnail, there must always be a TargetUri.
if ((dashboardFeedItem.ImageUri != null) && (dashboardFeedItem.TargetUri != null))
{
dashboard.Thumbnail = new SocialItemThumbnail()
{
ImageUri = dashboardFeedItem.ImageUri,
TargetUri = dashboardFeedItem.TargetUri
};
}
await dashboard.CommitAsync();
}
}
