public Playlist CreatePlaylist(string name)
{
MPMediaPlaylist playlist = MPMediaLibrary.DefaultMediaLibrary.GetPlaylistAsync(new NSUuid(), new MPMediaPlaylistCreationMetadata(name)).Result;
if (playlist != null)
{
return(new Playlist
{
Id = playlist.PersistentID,
Title = playlist.Name,
IsDynamic = true,
DateModified = DateTime.Now
});
}
return(null);
}
async Task CreatePlaylistIfNeededAsync()
{
if (MediaPlaylist != null)
{
return;
}
// To create a new playlist or lookup a playlist there
// are several steps you need to do.
NSUuid playlistUuid;
MPMediaPlaylistCreationMetadata playlistCreationMetadata = null;
var userDefaults = NSUserDefaults.StandardUserDefaults;
if (userDefaults.StringForKey(playlistUuidKey) is string playlistUuidString)
{
// In this case, the sample already created a playlist in
// a previous run. In this case we lookup the UUID that
// was used before.
playlistUuid = new NSUuid(playlistUuidString);
}
else
{
// Create an instance of `UUID` to identify the new playlist.
playlistUuid = new NSUuid();
// Create an instance of `MPMediaPlaylistCreationMetadata`,
// this represents the metadata to associate with the new playlist.
playlistCreationMetadata = new MPMediaPlaylistCreationMetadata("Test Playlist")
{
DescriptionText = $"This playlist was created using {NSBundle.MainBundle.InfoDictionary ["CFBundleName"]} to demonstrate how to use the Apple Music APIs"
};
// Store the `UUID` that the sample will use for looking
// up the playlist in the future.
userDefaults.SetString(playlistUuid.AsString(), playlistUuidKey);
userDefaults.Synchronize();
}
// Request the new or existing playlist from the device.
MediaPlaylist = await MPMediaLibrary.DefaultMediaLibrary.GetPlaylistAsync(playlistUuid, playlistCreationMetadata);
InvokeOnMainThread(() => NSNotificationCenter.DefaultCenter.PostNotificationName(LibraryDidUpdate, null));
}
