Flutter Map Marker Cluster

A Dart implementation of Leaflet.markercluster for Flutter apps. This is a plugin for flutter_map package

Usage

Add flutter_map and flutter_map_marker_cluster to your pubspec:

dependencies:
  flutter_map: any
  flutter_map_marker_cluster: any # or the latest version on Pub

flutter_map package removed old layering system with v3.0.0 use MarkerClusterLayerWidget as member of children parameter list and configure it using MarkerClusterLayerOptions.

 @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text('Clustering Many Markers Page')),
      drawer: buildDrawer(context, ClusteringManyMarkersPage.route),
      body: FlutterMap(
        options: MapOptions(
          center: LatLng((maxLatLng.latitude + minLatLng.latitude) / 2,
              (maxLatLng.longitude + minLatLng.longitude) / 2),
          zoom: 6,
          maxZoom: 15,
        ),
        children: <Widget>[
          TileLayer(
            urlTemplate: 'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
            subdomains: const ['a', 'b', 'c'],
          ),
          MarkerClusterLayerWidget(
            options: MarkerClusterLayerOptions(
              maxClusterRadius: 45,
              size: const Size(40, 40),
              anchor: AnchorPos.align(AnchorAlign.center),
              fitBoundsOptions: const FitBoundsOptions(
                padding: EdgeInsets.all(50),
                maxZoom: 15,
              ),
              markers: markers,
              builder: (context, markers) {
                return Container(
                  decoration: BoxDecoration(
                      borderRadius: BorderRadius.circular(20),
                      color: Colors.blue),
                  child: Center(
                    child: Text(
                      markers.length.toString(),
                      style: const TextStyle(color: Colors.white),
                    ),
                  ),
                );
              },
            ),
          ),
        ],
      ),
    );
  }

Run the example

See the example/ folder for a working example app.

Supporting Me

A donation through my Ko-Fi page would be infinitly appriciated:

but, if you can't or won't, a star on GitHub and a like on pub.dev would also go a long way!

Every donation gives me fuel to continue my open-source projects and lets me know that I'm doing a good job.

License

KadaDev/flutter_map_marker_cluster

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