farmer_client/lib/widgets/amap/amap.dart

import 'package:amap_flutter_map/amap_flutter_map.dart';
import 'package:amap_flutter_base/amap_flutter_base.dart';
import 'package:flutter/widgets.dart';

import 'const_config.dart';

// https://developer.amap.com/api/flutter/guide/map-flutter-plug-in/map-flutter-info
class AMap extends StatelessWidget {
  late AMapController _mapController;
  final LatLng? position;
  final Map<String, Marker> _markers = Map<String, Marker>();

  AMap({Key? key,  this.position }): super(key: key);

  void onMapCreated(AMapController controller) {
    _mapController = controller;
  }

  void _initMarkers() {
    if (null != position) {
      Marker marker = Marker(
        position: position!,
        //使用默认hue的方式设置Marker的图标
        icon: BitmapDescriptor.defaultMarkerWithHue(BitmapDescriptor.hueOrange),
      );
      _markers[marker.id] = marker;
    }
  }

  @override
  Widget build(BuildContext context) {
    _initMarkers();

    return AMapWidget(
      privacyStatement: ConstConfig.amapPrivacyStatement,
      apiKey: ConstConfig.amapApiKeys,
      markers: Set<Marker>.of(_markers.values),
      initialCameraPosition: const CameraPosition(target: LatLng(31.230378, 121.473658)),
    );
  }

}