getAudioVolumeInfo method

Implementation

@override
Future<AudioVolumeInfo> getAudioVolumeInfo() async {
  final map = await methodChannel.invokeMapMethod<dynamic, dynamic>('getAudioVolumeInfo');
  if (map == null) {
    throw PlatformException(
      code: 'NULL_RESPONSE',
      message: 'getAudioVolumeInfo returned null',
    );
  }
  return AudioVolumeInfo.fromMap(map);
}