getGUID method

@override Future<String> getGUID()

获取 GUID（不为空）

Implementation

@override
Future<String> getGUID() async {
  try {
    final result = await methodChannel.invokeMethod<String>('getGUID');
    return result!;
  } on PlatformException catch (e) {
    throw OaidException(code: e.code, message: e.message);
  }
}