updateRadius method Null safety

Future<bool> updateRadius(
  1. double radius
)

更新半径

Implementation

Future<bool> updateRadius(double radius) async {
  if (radius < 0) {
    return false;
  }

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

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

  return ret;
}