Aggiungere un indicatore a una mappa
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Questo esempio identifica una posizione sulla mappa con un indicatore. Quando l'utente tocca
l'indicatore, viene visualizzata una finestra informativa.
Inizia
Prima di poter provare il codice di esempio, devi configurare il tuo ambiente di sviluppo.
Per saperne di più, consulta Configurare un progetto Flutter.
Visualizza il codice
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';
/// This example identifies a location on the map with a marker.
/// When the user taps the marker, an info window appears.
class MarkerSample extends StatelessWidget {
const MarkerSample({super.key});
@override
Widget build(BuildContext context) {
return GoogleMap(
initialCameraPosition: CameraPosition(target: LatLng(0, 0)),
// Use this parameter to place markers on the map.
markers: {
Marker(
// The id needs to be locally unique.
markerId: MarkerId('my_nairobi_marker'),
position: LatLng(-1.2898, 36.7747),
infoWindow: InfoWindow(title: 'Nairobi', snippet: 'More info.'),
onTap: () => debugPrint('tapped'),
),
},
);
}
}
Passaggi successivi
Visualizza l'insieme completo di esempi su GitHub:
Visualizza su GitHub
In alternativa, clona l'intero set di esempi per eseguirli localmente eseguendo i seguenti comandi:
git clone -b flutter_samples https://github.com/googlemaps-samples/flutter-maps-samples.git
cd flutter-samples
flutter pub get
Salvo quando diversamente specificato, i contenuti di questa pagina sono concessi in base alla licenza Creative Commons Attribution 4.0, mentre gli esempi di codice sono concessi in base alla licenza Apache 2.0. Per ulteriori dettagli, consulta le norme del sito di Google Developers. Java è un marchio registrato di Oracle e/o delle sue consociate.
Ultimo aggiornamento 2025-09-03 UTC.
[null,null,["Ultimo aggiornamento 2025-09-03 UTC."],[],[],null,["# Add a marker to a map\n\nThis example identifies a location on the map with a marker. When the user taps the marker, an info window appears.\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/// This example identifies a location on the map with a marker.\n/// When the user taps the marker, an info window appears.\nclass MarkerSample extends StatelessWidget {\n const MarkerSample({super.key});\n\n @override\n Widget build(BuildContext context) {\n return GoogleMap(\n initialCameraPosition: CameraPosition(target: LatLng(0, 0)),\n\n // Use this parameter to place markers on the map.\n markers: {\n Marker(\n // The id needs to be locally unique.\n markerId: MarkerId('my_nairobi_marker'),\n position: LatLng(-1.2898, 36.7747),\n infoWindow: InfoWindow(title: 'Nairobi', snippet: 'More info.'),\n onTap: () =\u003e debugPrint('tapped'),\n ),\n },\n );\n }\n}\nhttps://github.com/googlemaps-samples/flutter-maps-samples/blob/8f227e8b4d07179e5fb7cc5e8d8cb5440befd229/lib/samples/marker.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"]]