public override void ViewWillAppear(bool animated)
{
base.ViewWillAppear(animated);
if (AppleMusicManager.FetchDeveloperToken() == null)
{
var alertController = UIAlertController.Create("Error",
"No Developer Token was specified. See the README for more information.",
UIAlertControllerStyle.Alert);
alertController.AddAction(UIAlertAction.Create("Dismiss", UIAlertActionStyle.Cancel, null));
PresentViewController(alertController, true, null);
}
else if (AuthorizationManager.UserToken == string.Empty)
{
var alertController = UIAlertController.Create("Error",
"No User Token was specified. Request Authorization using the \"Authorization\" tab.",
UIAlertControllerStyle.Alert);
alertController.AddAction(UIAlertAction.Create("Dismiss", UIAlertActionStyle.Cancel, null));
PresentViewController(alertController, true, null);
}
else
{
Task.Factory.StartNew(async() => await RefreshData());
}
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
appleMusicManager = new AppleMusicManager();
imageCacheManager = new ImageCacheManager();
mediaItems = new MediaItem [0] [];
// Configure self sizing cells.
TableView.RowHeight = UITableView.AutomaticDimension;
TableView.EstimatedRowHeight = 100;
// Configure the `UISearchController`.
searchController = new UISearchController(searchResultsController: null);
searchController.SearchResultsUpdater = this;
searchController.DimsBackgroundDuringPresentation = false;
searchController.SearchBar.Delegate = this;
TableView.TableHeaderView = searchController.SearchBar;
DefinesPresentationContext = true;
/*
* Add the notification observers needed to respond to events from
* the `AuthorizationManager`, `MPMediaLibrary` and `UIApplication`.
* This is so that if the user enables/disables capabilities in the
* Settings app the application will reflect those changes accurately.
*/
var notificationCenter = NSNotificationCenter.DefaultCenter;
authorizationDidUpdateNotificationToken = notificationCenter.AddObserver(AuthorizationManager.AuthorizationDidUpdateNotification,
HandleAuthorizationManagerAuthorizationDidUpdateNotification,
null);
willEnterForegroundNotificationToken = notificationCenter.AddObserver(UIApplication.WillEnterForegroundNotification,
HandleAuthorizationManagerAuthorizationDidUpdateNotification,
null);
}
async Task RefreshData()
{
// Your application should handle these errors appropriately depending on the kind of error.
var items = new MediaItem [0];
try {
items = await AppleMusicManager.PerformAppleMusicGetRecentlyPlayedAsync(AuthorizationManager.UserToken);
} catch (NSErrorException ex) {
var underlyingError = ex.Error.UserInfo [NSError.UnderlyingErrorKey] as NSError;
var message = underlyingError?.LocalizedDescription ?? "Encountered unexpected error.";
var alertController = UIAlertController.Create("Error", message, UIAlertControllerStyle.Alert);
alertController.AddAction(UIAlertAction.Create("Dismiss", UIAlertActionStyle.Cancel, null));
InvokeOnMainThread(() => PresentViewController(alertController, true, null));
} finally {
lock (padlock) {
mediaItems = items;
}
InvokeOnMainThread(() => TableView.ReloadData());
}
}
public override bool FinishedLaunching(UIApplication application, NSDictionary launchOptions)
{
// Override point for customization after application launch.
// If not required for your application you can safely delete this method
AppleMusicManager = new AppleMusicManager();
MusicPlayerManager = new MusicPlayerManager();
AuthorizationManager = new AuthorizationManager(AppleMusicManager);
MediaLibraryManager = new MediaLibraryManager(AuthorizationManager);
if (TopViewController(0) is AuthorizationTableViewController authorizationTableViewController)
{
authorizationTableViewController.AuthorizationManager = AuthorizationManager;
}
else
{
throw new InvalidCastException($"Unable to find expected {nameof (AuthorizationTableViewController)} in at TabBar Index 0");
}
if (TopViewController(1) is PlaylistTableViewController playlistTableViewController)
{
playlistTableViewController.AuthorizationManager = AuthorizationManager;
playlistTableViewController.MediaLibraryManager = MediaLibraryManager;
playlistTableViewController.MusicPlayerManager = MusicPlayerManager;
}
else
{
throw new InvalidCastException($"Unable to find expected {nameof (PlaylistTableViewController)} in at TabBar Index 1");
}
if (TopViewController(2) is PlayerViewController playerViewController)
{
playerViewController.MusicPlayerManager = MusicPlayerManager;
}
else
{
throw new InvalidCastException($"Unable to find expected {nameof (PlayerViewController)} in at TabBar Index 2");
}
if (TopViewController(3) is RecentlyPlayedTableViewController recentlyPlayedTableViewController)
{
recentlyPlayedTableViewController.AuthorizationManager = AuthorizationManager;
recentlyPlayedTableViewController.AppleMusicManager = AppleMusicManager;
recentlyPlayedTableViewController.MediaLibraryManager = MediaLibraryManager;
recentlyPlayedTableViewController.MusicPlayerManager = MusicPlayerManager;
}
else
{
throw new InvalidCastException($"Unable to find expected {nameof (RecentlyPlayedTableViewController)} in at TabBar Index 3");
}
if (TopViewController(4) is MediaSearchTableViewController mediaSearchTableViewController)
{
mediaSearchTableViewController.AuthorizationManager = AuthorizationManager;
mediaSearchTableViewController.MediaLibraryManager = MediaLibraryManager;
mediaSearchTableViewController.MusicPlayerManager = MusicPlayerManager;
}
else
{
throw new InvalidCastException($"Unable to find expected {nameof (MediaSearchTableViewController)} in at TabBar Index 4");
}
return(true);
}
