playAudio method

@override Future<void> playAudio(String count)

Implementation

@override
Future<void> playAudio(String count)async {
  try {
      await methodChannel
          .invokeMethod('playAudio', {"path": count}); // 调用原生方法
  } on PlatformException catch (e) {
    print("调用失败: '${e.message}'.");
  }
}