getMinZoomLevel method Null safety

Future<int?> getMinZoomLevel()

获取map的自定义最小比例尺级别

minZoomLevel 自定义最小比例尺级别

Implementation

Future<int?> getMinZoomLevel() async {
  return await BMFMapDispatcherFactory.instance.mapGetPropertyDispatcher
      .getMinZoomLevel(_mapChannel);
}