updateCoordinates method Null safety

Future<bool> updateCoordinates(
  1. List<BMFCoordinate> coordinates
)

更新经纬度数组

List<BMFCoordinate> coordinates polygon经纬度数组

Implementation

Future<bool> updateCoordinates(List<BMFCoordinate> coordinates) async {
  ArgumentError.checkNotNull(coordinates, "coordinates");

  bool ret = await BMFMapDispatcherFactory.instance.overlayDispatcher
      .updatePolygonMember(this.methodChannel, {
    'id': this.id,
    'member': 'coordinates',
    'value': coordinates.map((coordinate) => coordinate.toMap()).toList()
  });

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

  return ret;
}