release method

void release()

释放资源 目前仅释放音频播放器资源

Implementation

void release() {
  try {
    __ttsPlayer.release();
    Configure.channel.invokeMethod("release");
  } on PlatformException catch (e) {
    // result.error("failed", "failed unknow", "i don't know")
    print(e);
  } on MissingPluginException catch (e) {
    //result.notImplemented()
    print(e);
  }
}