在flutter中使用用户imageURL及其名称为谷歌地图构建自定义标记

dependencies:
  google_maps_flutter: ^2.0.10

import 'package:flutter/material.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';

class GoogleMapPage extends StatefulWidget {
  @override
  _GoogleMapPageState createState() => _GoogleMapPageState();
}

class _GoogleMapPageState extends State<GoogleMapPage> {
  GoogleMapController? _mapController;

  final LatLng _initialPosition = LatLng(37.7749, -122.4194); // 初始位置为旧金山

  Set<Marker> _markers = {};

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('谷歌地图'),
      ),
      body: GoogleMap(
        initialCameraPosition: CameraPosition(
          target: _initialPosition,
          zoom: 12,
        ),
        markers: _markers,
        onMapCreated: (GoogleMapController controller) {
          _mapController = controller;
        },
      ),
    );
  }
}

Marker _createMarker(String name, String imageURL, LatLng position) {
  return Marker(
    markerId: MarkerId(name),
    position: position,
    infoWindow: InfoWindow(
      title: name,
    ),
    icon: BitmapDescriptor.fromAsset(imageURL),
  );
}

void _addMarkers() {
  LatLng position = LatLng(37.7749, -122.4194); // 标记位置为旧金山
  Marker marker = _createMarker('自定义标记', 'assets/custom_marker.png', position);
  setState(() {
    _markers.add(marker);
  });
}

@override
void initState() {
  super.initState();
  _addMarkers();
}

flutter:
  assets:
    - assets/custom_marker.png

Navigator.push(
  context,
  MaterialPageRoute(builder: (context) => GoogleMapPage()),
);