رسم خطوط متعددة على خريطة
تنظيم صفحاتك في مجموعات
يمكنك حفظ المحتوى وتصنيفه حسب إعداداتك المفضّلة.

يعرض هذا المثال خريطة لشمال المحيط الأطلسي مع رسم مسار
Titanic عليها.
البدء
قبل أن تتمكّن من تجربة نموذج الرمز، عليك ضبط بيئة التطوير.
لمزيد من المعلومات، يُرجى الاطّلاع على إعداد مشروع Flutter.
عرض الرمز
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 North Atlantic Ocean with the route of the Titanic
/// marked on it.
class PolylinesSample extends StatelessWidget {
const PolylinesSample({super.key});
@override
Widget build(BuildContext context) {
return GoogleMap(
initialCameraPosition: CameraPosition(target: LatLng(49, -23)),
polylines: {
Polyline(
// Polyline id must be unique.
polylineId: PolylineId('titanic route'),
points: [
LatLng(50.90, -1.41), // Southampton
LatLng(49.65, -1.60), // Cherbourg
LatLng(49.77, -6.71),
LatLng(51.83, -8.28), // Cobh
LatLng(50.96, -8.58),
LatLng(41.75, -49.90), // Wreck
],
width: 5,
color: Colors.red,
geodesic: true,
// Custom caps and joint types aren't supported on all platforms.
startCap: Cap.roundCap,
endCap: Cap.roundCap,
jointType: JointType.round,
consumeTapEvents: true,
onTap: () => debugPrint('clicked route'),
),
},
);
}
}
الخطوات التالية
يمكنك الاطّلاع على المجموعة الكاملة من النماذج على GitHub:
عرض على GitHub
بدلاً من ذلك، يمكنك استنساخ المجموعة الكاملة من العيّنات لتنفيذها محليًا من خلال تنفيذ الأوامر التالية:
git clone -b flutter_samples https://github.com/googlemaps-samples/flutter-maps-samples.git
cd flutter-samples
flutter pub get
إنّ محتوى هذه الصفحة مرخّص بموجب ترخيص Creative Commons Attribution 4.0 ما لم يُنصّ على خلاف ذلك، ونماذج الرموز مرخّصة بموجب ترخيص Apache 2.0. للاطّلاع على التفاصيل، يُرجى مراجعة سياسات موقع Google Developers. إنّ Java هي علامة تجارية مسجَّلة لشركة Oracle و/أو شركائها التابعين.
تاريخ التعديل الأخير: 2025-09-04 (حسب التوقيت العالمي المتفَّق عليه)
[null,null,["تاريخ التعديل الأخير: 2025-09-04 (حسب التوقيت العالمي المتفَّق عليه)"],[],[],null,["# Draw polylines on a map\n\nThis example displays a map of the North Atlantic Ocean with the route of the Titanic drawn on it.\n\nGet started\n-----------\n\nBefore you can try the sample code, you must configure your development environment.\nFor more information, see [Set up a Flutter project](/maps/flutter-package/config).\n\nView the code\n-------------\n\n### Dart\n\n```python\n// Copyright 2025 Google LLC\n//\n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n//\n// https://www.apache.org/licenses/LICENSE-2.0\n//\n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\n\nimport 'package:flutter/material.dart';\nimport 'package:google_maps_flutter/google_maps_flutter.dart';\n\n/// Displays a map of the North Atlantic Ocean with the route of the Titanic\n/// marked on it.\nclass PolylinesSample extends StatelessWidget {\n const PolylinesSample({super.key});\n\n @override\n Widget build(BuildContext context) {\n return GoogleMap(\n initialCameraPosition: CameraPosition(target: LatLng(49, -23)),\n polylines: {\n Polyline(\n // Polyline id must be unique.\n polylineId: PolylineId('titanic route'),\n points: [\n LatLng(50.90, -1.41), // Southampton\n LatLng(49.65, -1.60), // Cherbourg\n LatLng(49.77, -6.71),\n LatLng(51.83, -8.28), // Cobh\n LatLng(50.96, -8.58),\n LatLng(41.75, -49.90), // Wreck\n ],\n width: 5,\n color: Colors.red,\n geodesic: true,\n // Custom caps and joint types aren't supported on all platforms.\n startCap: Cap.roundCap,\n endCap: Cap.roundCap,\n jointType: JointType.round,\n consumeTapEvents: true,\n onTap: () =\u003e debugPrint('clicked route'),\n ),\n },\n );\n }\n}\nhttps://github.com/googlemaps-samples/flutter-maps-samples/blob/8f227e8b4d07179e5fb7cc5e8d8cb5440befd229/lib/samples/polylines.dart\n \n```\n\nNext steps\n----------\n\nView the complete set of samples on GitHub:\n\n[View on GitHub](https://github.com/googlemaps-samples/flutter-maps-samples/tree/main/lib/samples)\n\nAlternatively, clone the full set of samples to run them locally by executing the following commands: \n\n git clone -b flutter_samples https://github.com/googlemaps-samples/flutter-maps-samples.git\n cd flutter-samples\n flutter pub get"]]