searchBusStation method

Future<BusStation> searchBusStation ({@required String stationName, @required String city })

获取公交信息

Implementation

static Future<BusStation> searchBusStation({
  @required String stationName,
  @required String city,
}) async {
  // 会在listener中关闭
  // ignore: close_sinks
  final _controller = StreamController<BusStation>(sync: true);

  platform(
    android: (pool) async {
      // 创建请求对象
      final query = await ObjectFactory_Android
          .createcom_amap_api_services_busline_BusStationQuery__String__String(
        stationName,
        city,
      );

      // 获取android上下文
      final context = await ObjectFactory_Android.getandroid_app_Activity();

      // 创建搜索对象
      _androidBusStationSearch = await ObjectFactory_Android
          .createcom_amap_api_services_busline_BusStationSearch__android_content_Context__com_amap_api_services_busline_BusStationQuery(
        context,
        query,
      );

      // 设置回调
      await _androidBusStationSearch
          .setOnBusStationSearchListener(_AndroidSearchListener(_controller));

      // 开始搜索
      await _androidBusStationSearch.searchBusStationAsyn();

      // 局部变量从HEAP中解除引用
      pool..add(query);
    },
    ios: (pool) async {
      _iosSearch = await ObjectFactory_iOS.createAMapSearchAPI();

      // 设置回调
      await _iosSearch.set_delegate(_IOSSearchListener(_controller));

      // 创建搜索请求
      final request =
          await ObjectFactory_iOS.createAMapBusStopSearchRequest();
      // 设置站点名称
      await request.set_keywords(stationName);
      // 设置所在城市
      await request.set_city(city);

      // 开始搜索
      await _iosSearch.AMapBusStopSearch(request);

      // 局部变量从HEAP中解除引用
      pool..add(request);
    },
  );
  return _controller.stream.first;
}