updateTransparency method

Future<bool> updateTransparency (
  1. double transparency
)

更新透明度, Android独有

transparency 透明度

Implementation

Future<bool> updateTransparency(double transparency) async {
  if (transparency < 0) {
    return false;
  }

  bool ret = await BMFMapDispatcherFactory.instance.overlayDispatcher
      .updateGroundMember(this.methodChannel,
          {'id': this.Id, 'member': 'transparency', 'value': transparency});

  if (ret) {
    this.transparency = transparency;
  }

  return ret;
}