map4d_map_utils

Description:

map4d map utils

Map4dMap Utility Library for Flutter #




A Flutter plugin that provides utility library for Map4dMap
Installing #
Depend on it #
To use this plugin, run command:
flutter pub add map4d_map_utils
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Or add map4d_map_utils as a dependency in your pubspec.yaml file.
dependencies:
map4d_map_utils: ^1.0.0
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Import it #
In your Dart code, you can use:
import 'package:map4d_map_utils/map4d_map_utils.dart';
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Requirements #

Android SDK 21+
iOS 9.3+

Example Usage #
e.g. Marker Clustering:
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:map4d_map/map4d_map.dart';
import 'package:map4d_map_utils/map4d_map_utils.dart';

void main() {
runApp(const MyApp());
}

class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
final int maxClusterItemCount = 500;
final double cameraLatitude = 16.0432432;
final double cameraLongitude = 108.032432;

@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Map4D Map Utility',
home: MFMapView(
initialCameraPosition: MFCameraPosition(
target: MFLatLng(cameraLatitude, cameraLongitude), zoom: 10),
onMapCreated: onMapCreated,
),
);
}

void onMapCreated(MFMapViewController controller) {
final clusterManager = MFClusterManager(
controller: controller,
onClusterTap: (cluster) => onClusterTap(cluster, controller)
);
// Generate cluster items
const double extent = 0.2;
for (int i = 0; i < maxClusterItemCount; i++) {
double lat = cameraLatitude + extent * (Random().nextDouble() * 2.0 - 1.0);
double lng = cameraLongitude + extent * (Random().nextDouble() * 2.0 - 1.0);
final item = MFClusterItem(position: MFLatLng(lat, lng));
clusterManager.addItem(item);
}
clusterManager.cluster();
}

void onClusterTap(MFCluster cluster, MFMapViewController controller) async {
final zoom = await controller.getZoomLevel();
controller.animateCamera(MFCameraUpdate.newLatLngZoom(cluster.position, zoom + 1));
}
}
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