MyMarker

import 'package:flutter/material.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'package:ugv_fe/models/locations.dart' as locations;

class MapsView extends StatefulWidget {
  const MapsView({Key? key}) : super(key: key);

  @override
  State<MapsView> createState() => _MapsViewState();
}

class _MapsViewState extends State<MapsView> {
  final Map<String, Marker> _markers = {};
  
  BitmapDescriptor? myMarker;
  void setMarkerIcon() async {
    myMarker = await BitmapDescriptor.fromAssetImage(
        const ImageConfiguration(size: Size(50, 50)),
        'assets/images/ugv_icon1.png');
  }

  static const CameraPosition _kGooglePlex = CameraPosition(
    target: LatLng(3.738692, 103.191214),
    zoom: 18,
  );

  Future<void> _onMapCreated(GoogleMapController controller) async {
    final googleOffices = await locations.getGoogleOffices();
    setState(() {
      _markers.clear();
      for (final office in googleOffices.offices) {
        final marker = Marker(
          icon: myMarker,
          markerId: MarkerId(office.name),
          position: LatLng(office.lat, office.lng),
          infoWindow: InfoWindow(
            title: office.name,
            snippet: office.address,
          ),
        );
        _markers[office.name] = marker;
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    setMarkerIcon();
    return Scaffold(
      appBar: AppBar(
        title: const Text('UGV Positions'),
        automaticallyImplyLeading: false,
        backgroundColor: Colors.green[700],
      ),
      body: GoogleMap(
        mapType: MapType.hybrid,
        onMapCreated: _onMapCreated,
        initialCameraPosition: _kGooglePlex,
          markers: _markers.values.toSet(),
      ),
    );
  }
}