listChildren method
Implementation
@override
Future<List<MtpObject>> listChildren({
required String deviceId,
required String objectId,
}) async {
final children = await methodChannel.invokeListMethod<Object?>(
'listChildren',
<String, Object?>{'deviceId': deviceId, 'objectId': objectId},
);
return (children ?? <Object?>[])
.cast<Map<Object?, Object?>>()
.map(MtpObject.fromMap)
.toList(growable: false);
}