Polygons

Image of Polygons.

This example displays a map of the Atlantic Ocean with the shape of the Bermuda Triangle drawn over it.

Get started

Before you can try the sample code, you must configure your development environment. For more information, see Set up a Flutter project .

View the code

Dart

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 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' 
 ), 
 ), 
 }, 
 ); 
 } 
 } 
  

Next steps

View the complete set of samples on GitHub:

View on GitHub

Alternatively, clone the full set of samples to run them locally by executing the following commands:

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