createAlbum method
Create an album, returning its new local identifier.
Implementation
@override
Future<String> createAlbum(String title) async {
final id = await _methodChannel.invokeMethod<String>('createAlbum', {
'title': title,
});
if (id == null || id.isEmpty) {
throw StateError('createAlbum returned no album identifier');
}
return id;
}