Poligon

Contoh ini menampilkan peta Samudra Atlantik dengan bentuk Segitiga Bermuda yang digambar di atasnya.

Mulai

Anda harus mengonfigurasi lingkungan pengembangan Anda sebelum dapat mencoba kode contoh. Untuk mengetahui informasi selengkapnya, lihat Menyiapkan project Flutter.

Melihat kode

Dart

// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

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

/// Displays a map of the Atlantic Ocean with the shape of the famous
/// Bermuda Triangle drawn over it.
class PolygonsSample extends StatelessWidget {
  const PolygonsSample({super.key});

  @override
  Widget build(BuildContext context) {
    return GoogleMap(
      initialCameraPosition: CameraPosition(target: LatLng(25, -72)),
      polygons: {
        Polygon(
          // Polygon id must be unique.
          polygonId: PolygonId('bermuda triangle'),
          points: [
            LatLng(25.28, -80.33),
            LatLng(32.29, -64.79),
            LatLng(18.51, -65.36),
            LatLng(25.28, -80.33), // Same as first point to close polygon.
          ],
          strokeColor: Colors.red,
          fillColor: Colors.yellow,
          consumeTapEvents: true,
          onTap: () => debugPrint('tapped on the Bermuda Triangle'),
        ),
      },
    );
  }
}
polygons.dart
    

Langkah berikutnya

Lihat kumpulan contoh lengkap di GitHub:

Lihat di GitHub

Atau, clone kumpulan sampel lengkap untuk menjalankannya secara lokal dengan menjalankan perintah berikut:

  git clone -b flutter_samples https://github.com/googlemaps-samples/flutter-maps-samples.git
  cd flutter-samples
  flutter pub get