flutter_polyline_points 3.1.0 
flutter_polyline_points: ^3.1.0 copied to clipboard
craftme.devA flutter package to get polyline points by either passing the coordinates or google encoded polyline string
import 'package:flutter/material.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'package:flutter_polyline_points/flutter_polyline_points.dart';
void main() => runApp(const MyApp());
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Polyline Points Example',
theme: ThemeData(
primarySwatch: Colors.blue,
useMaterial3: true,
),
home: const MainScreen(),
);
}
}
class MainScreen extends StatefulWidget {
const MainScreen({super.key});
@override
MainScreenState createState() {
return MainScreenState();
}
}
class MainScreenState extends State<MainScreen> with TickerProviderStateMixin {
late TabController _tabController;
String googleApiKey =
"YOUR_GOOGLE_API_KEY_HERE"; // Replace with your actual API key
@override
void initState() {
super.initState();
_tabController = TabController(length: 4, vsync: this);
}
@override
void dispose() {
_tabController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Flutter Polyline Points'),
bottom: TabBar(
controller: _tabController,
tabs: const [
Tab(text: 'Legacy API', icon: Icon(Icons.route)),
Tab(text: 'Routes API', icon: Icon(Icons.alt_route)),
Tab(text: 'Two-Wheeler', icon: Icon(Icons.motorcycle)),
Tab(text: 'Headers', icon: Icon(Icons.security)),
],
),
),
body: TabBarView(
controller: _tabController,
children: [
LegacyMapScreen(apiKey: googleApiKey),
RoutesApiMapScreen(apiKey: googleApiKey),
TwoWheelerMapScreen(apiKey: googleApiKey),
CustomHeadersMapScreen(apiKey: googleApiKey),
],
),
);
}
}
// Legacy API Example (Backward Compatibility)
class LegacyMapScreen extends StatefulWidget {
final String apiKey;
const LegacyMapScreen({super.key, required this.apiKey});
@override
LegacyMapScreenState createState() => LegacyMapScreenState();
}
class LegacyMapScreenState extends State<LegacyMapScreen> {
late GoogleMapController mapController;
final double _originLatitude = 6.5212402, _originLongitude = 3.3679965;
final double _destLatitude = 6.849660, _destLongitude = 3.648190;
Map<MarkerId, Marker> markers = {};
Map<PolylineId, Polyline> polylines = {};
List<LatLng> polylineCoordinates = [];
late PolylinePoints polylinePoints;
bool isLoading = false;
String? errorMessage;
@override
void initState() {
super.initState();
polylinePoints = PolylinePoints(apiKey: widget.apiKey);
_addMarker(LatLng(_originLatitude, _originLongitude), "origin",
BitmapDescriptor.defaultMarker);
_addMarker(LatLng(_destLatitude, _destLongitude), "destination",
BitmapDescriptor.defaultMarkerWithHue(90));
_getPolyline();
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: Stack(
children: [
GoogleMap(
initialCameraPosition: CameraPosition(
target: LatLng(_originLatitude, _originLongitude), zoom: 12),
myLocationEnabled: true,
tiltGesturesEnabled: true,
compassEnabled: true,
scrollGesturesEnabled: true,
zoomGesturesEnabled: true,
onMapCreated: _onMapCreated,
markers: Set<Marker>.of(markers.values),
polylines: Set<Polyline>.of(polylines.values),
),
if (isLoading)
Container(
color: Colors.black26,
child: const Center(
child: CircularProgressIndicator(),
),
),
if (errorMessage != null)
Positioned(
top: 16,
left: 16,
right: 16,
child: Card(
color: Colors.red[100],
child: Padding(
padding: const EdgeInsets.all(16),
child: Text(
'Error: $errorMessage',
style: TextStyle(color: Colors.red[800]),
),
),
),
),
Positioned(
bottom: 16,
left: 16,
right: 16,
child: Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(
'Legacy Directions API',
style: Theme.of(context).textTheme.titleMedium,
),
const SizedBox(height: 8),
Text(
'Using the original Google Directions API with basic routing features.',
style: Theme.of(context).textTheme.bodySmall,
textAlign: TextAlign.center,
),
const SizedBox(height: 8),
ElevatedButton(
onPressed: _getPolyline,
child: const Text('Refresh Route'),
),
],
),
),
),
),
],
),
);
}
void _onMapCreated(GoogleMapController controller) async {
mapController = controller;
}
_addMarker(LatLng position, String id, BitmapDescriptor descriptor) {
MarkerId markerId = MarkerId(id);
Marker marker =
Marker(markerId: markerId, icon: descriptor, position: position);
markers[markerId] = marker;
}
_addPolyLine() {
PolylineId id = const PolylineId("poly");
Polyline polyline = Polyline(
polylineId: id,
color: Colors.blue,
points: polylineCoordinates,
width: 5);
polylines[id] = polyline;
setState(() {});
}
_getPolyline() async {
setState(() {
isLoading = true;
errorMessage = null;
polylineCoordinates.clear();
polylines.clear();
});
try {
final result = await polylinePoints.getRouteBetweenCoordinatesV2(
request: RoutesApiRequest(
origin: PointLatLng(_originLatitude, _originLongitude),
destination: PointLatLng(_destLatitude, _destLongitude),
),
);
if (result.primaryRoute?.polylinePoints case List<PointLatLng> points) {
for (var point in points) {
polylineCoordinates.add(LatLng(point.latitude, point.longitude));
}
_addPolyLine();
} else {
setState(() {
errorMessage = result.errorMessage ?? 'No route found';
});
}
} catch (e) {
setState(() {
errorMessage = e.toString();
});
} finally {
setState(() {
isLoading = false;
});
}
}
}
// Custom Headers Example (Android-restricted API keys)
class CustomHeadersMapScreen extends StatefulWidget {
final String apiKey;
const CustomHeadersMapScreen({super.key, required this.apiKey});
@override
CustomHeadersMapScreenState createState() => CustomHeadersMapScreenState();
}
class CustomHeadersMapScreenState extends State<CustomHeadersMapScreen> {
late GoogleMapController mapController;
final double _originLatitude = 6.5212402, _originLongitude = 3.3679965;
final double _destLatitude = 6.849660, _destLongitude = 3.648190;
Map<MarkerId, Marker> markers = {};
Map<PolylineId, Polyline> polylines = {};
late PolylinePoints polylinePoints;
bool isLoading = false;
String? errorMessage;
RoutesApiResponse? currentResponse;
// Custom headers for Android-restricted API keys
final TextEditingController _packageNameController = TextEditingController();
final TextEditingController _certFingerprintController =
TextEditingController();
bool _useCustomHeaders = false;
@override
void initState() {
super.initState();
polylinePoints = PolylinePoints.enhanced(widget.apiKey);
_addMarker(LatLng(_originLatitude, _originLongitude), "origin",
BitmapDescriptor.defaultMarker);
_addMarker(LatLng(_destLatitude, _destLongitude), "destination",
BitmapDescriptor.defaultMarkerWithHue(90));
// Set default values for demonstration
_packageNameController.text = 'com.example.myapp';
_certFingerprintController.text = 'YOUR_SHA1_FINGERPRINT';
}
@override
void dispose() {
_packageNameController.dispose();
_certFingerprintController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: Stack(
children: [
GoogleMap(
initialCameraPosition: CameraPosition(
target: LatLng(_originLatitude, _originLongitude), zoom: 12),
myLocationEnabled: true,
tiltGesturesEnabled: true,
compassEnabled: true,
scrollGesturesEnabled: true,
zoomGesturesEnabled: true,
onMapCreated: _onMapCreated,
markers: Set<Marker>.of(markers.values),
polylines: Set<Polyline>.of(polylines.values),
),
if (isLoading)
Container(
color: Colors.black26,
child: const Center(
child: CircularProgressIndicator(),
),
),
if (errorMessage != null)
Positioned(
top: 16,
left: 16,
right: 16,
child: Card(
color: Colors.red[100],
child: Padding(
padding: const EdgeInsets.all(16),
child: Text(
'Error: $errorMessage',
style: TextStyle(color: Colors.red[800]),
),
),
),
),
Positioned(
bottom: 16,
left: 16,
right: 16,
child: Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Row(
children: [
const Icon(Icons.security, color: Colors.purple),
const SizedBox(width: 8),
Text(
'Custom Headers Demo',
style: Theme.of(context).textTheme.titleMedium,
),
],
),
const SizedBox(height: 8),
Text(
'Demonstrates using custom headers for Android-restricted API keys.',
style: Theme.of(context).textTheme.bodySmall,
textAlign: TextAlign.center,
),
const SizedBox(height: 8),
CheckboxListTile(
title: const Text('Use Custom Headers',
style: TextStyle(fontSize: 14)),
subtitle: const Text('For Android-restricted API keys',
style: TextStyle(fontSize: 12)),
value: _useCustomHeaders,
onChanged: (value) {
setState(() {
_useCustomHeaders = value ?? false;
});
},
dense: true,
),
if (_useCustomHeaders) ..._buildHeaderInputs(),
const SizedBox(height: 8),
ElevatedButton.icon(
onPressed: _getRouteWithHeaders,
icon: const Icon(Icons.security),
label: const Text('Get Route with Headers'),
style: ElevatedButton.styleFrom(
backgroundColor: Colors.purple,
foregroundColor: Colors.white,
),
),
],
),
),
),
),
],
),
);
}
List<Widget> _buildHeaderInputs() {
return [
const SizedBox(height: 8),
TextField(
controller: _packageNameController,
decoration: const InputDecoration(
labelText: 'Package Name',
hintText: 'com.example.myapp',
border: OutlineInputBorder(),
),
style: const TextStyle(fontSize: 12),
),
const SizedBox(height: 8),
TextField(
controller: _certFingerprintController,
decoration: const InputDecoration(
labelText: 'SHA1 Fingerprint',
hintText: 'YOUR_SHA1_FINGERPRINT',
border: OutlineInputBorder(),
),
style: const TextStyle(fontSize: 12),
),
];
}
void _onMapCreated(GoogleMapController controller) async {
mapController = controller;
}
_addMarker(LatLng position, String id, BitmapDescriptor descriptor) {
MarkerId markerId = MarkerId(id);
Marker marker =
Marker(markerId: markerId, icon: descriptor, position: position);
markers[markerId] = marker;
}
_addPolyLine(List<LatLng> coordinates) {
PolylineId id = const PolylineId("poly");
Polyline polyline = Polyline(
polylineId: id, color: Colors.purple, points: coordinates, width: 5);
polylines[id] = polyline;
setState(() {});
}
_getRouteWithHeaders() async {
setState(() {
isLoading = true;
errorMessage = null;
polylines.clear();
currentResponse = null;
});
try {
// Prepare custom headers if enabled
Map<String, String>? customHeaders;
if (_useCustomHeaders) {
customHeaders = {
'X-Android-Package': _packageNameController.text.trim(),
'X-Android-Cert': _certFingerprintController.text.trim(),
};
}
RoutesApiResponse response =
await polylinePoints.getRouteBetweenCoordinatesV2(
request: RoutesApiRequest(
origin: PointLatLng(_originLatitude, _originLongitude),
destination: PointLatLng(_destLatitude, _destLongitude),
travelMode: TravelMode.driving,
headers: customHeaders, // Pass custom headers
),
);
setState(() {
currentResponse = response;
});
if (response.routes.isNotEmpty) {
final route = response.routes.first;
if (route.polylinePoints != null) {
final points = polylinePoints.convertToLegacyResult(response).points;
final coordinates = points
.map((point) => LatLng(point.latitude, point.longitude))
.toList();
_addPolyLine(coordinates);
}
} else {
setState(() {
errorMessage = response.errorMessage ?? 'No route found';
});
}
} catch (e) {
setState(() {
errorMessage = e.toString();
});
} finally {
setState(() {
isLoading = false;
});
}
}
}
// Routes API Example (Enhanced Features)
class RoutesApiMapScreen extends StatefulWidget {
final String apiKey;
const RoutesApiMapScreen({super.key, required this.apiKey});
@override
RoutesApiMapScreenState createState() => RoutesApiMapScreenState();
}
class RoutesApiMapScreenState extends State<RoutesApiMapScreen> {
late GoogleMapController mapController;
final double _originLatitude = 6.5212402, _originLongitude = 3.3679965;
final double _destLatitude = 6.849660, _destLongitude = 3.648190;
Map<MarkerId, Marker> markers = {};
Map<PolylineId, Polyline> polylines = {};
List<LatLng> polylineCoordinates = [];
late PolylinePoints polylinePoints;
bool isLoading = false;
String? errorMessage;
RoutesApiResponse? currentResponse;
@override
void initState() {
super.initState();
polylinePoints = PolylinePoints.enhanced(widget.apiKey);
_addMarker(LatLng(_originLatitude, _originLongitude), "origin",
BitmapDescriptor.defaultMarker);
_addMarker(LatLng(_destLatitude, _destLongitude), "destination",
BitmapDescriptor.defaultMarkerWithHue(90));
_getEnhancedRoute();
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: Stack(
children: [
GoogleMap(
initialCameraPosition: CameraPosition(
target: LatLng(_originLatitude, _originLongitude), zoom: 12),
myLocationEnabled: true,
tiltGesturesEnabled: true,
compassEnabled: true,
scrollGesturesEnabled: true,
zoomGesturesEnabled: true,
onMapCreated: _onMapCreated,
markers: Set<Marker>.of(markers.values),
polylines: Set<Polyline>.of(polylines.values),
),
if (isLoading)
Container(
color: Colors.black26,
child: const Center(
child: CircularProgressIndicator(),
),
),
if (errorMessage != null)
Positioned(
top: 16,
left: 16,
right: 16,
child: Card(
color: Colors.red[100],
child: Padding(
padding: const EdgeInsets.all(16),
child: Text(
'Error: $errorMessage',
style: TextStyle(color: Colors.red[800]),
),
),
),
),
Positioned(
bottom: 16,
left: 16,
right: 16,
child: Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(
'Enhanced Routes API',
style: Theme.of(context).textTheme.titleMedium,
),
const SizedBox(height: 8),
Text(
'Using the new Google Routes API with traffic-aware routing, toll information, and enhanced features.',
style: Theme.of(context).textTheme.bodySmall,
textAlign: TextAlign.center,
),
if (currentResponse != null &&
currentResponse!.routes.isNotEmpty)
..._buildRouteInfo(),
const SizedBox(height: 8),
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
ElevatedButton(
onPressed: _getEnhancedRoute,
child: const Text('Enhanced Route'),
),
ElevatedButton(
onPressed: _getAlternativeRoutes,
child: const Text('Alternatives'),
),
],
),
],
),
),
),
),
],
),
);
}
List<Widget> _buildRouteInfo() {
final route = currentResponse!.routes.first;
return [
const SizedBox(height: 8),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Column(
children: [
const Text('Duration',
style: TextStyle(fontWeight: FontWeight.bold)),
Text(route.duration?.toString() ?? 'N/A'),
],
),
Column(
children: [
const Text('Distance',
style: TextStyle(fontWeight: FontWeight.bold)),
Text(route.distanceMeters != null
? '${(route.distanceMeters! / 1000).toStringAsFixed(1)} km'
: 'N/A'),
],
),
],
),
];
}
void _onMapCreated(GoogleMapController controller) async {
mapController = controller;
}
_addMarker(LatLng position, String id, BitmapDescriptor descriptor) {
MarkerId markerId = MarkerId(id);
Marker marker =
Marker(markerId: markerId, icon: descriptor, position: position);
markers[markerId] = marker;
}
_addPolyLine(List<LatLng> coordinates,
{Color color = Colors.green, String id = "poly"}) {
PolylineId polylineId = PolylineId(id);
Polyline polyline = Polyline(
polylineId: polylineId, color: color, points: coordinates, width: 5);
polylines[polylineId] = polyline;
setState(() {});
}
_getEnhancedRoute() async {
setState(() {
isLoading = true;
errorMessage = null;
polylineCoordinates.clear();
polylines.clear();
currentResponse = null;
});
try {
RoutesApiResponse response =
await polylinePoints.getRouteBetweenCoordinatesV2(
request: RequestConverter.createEnhancedRequest(
origin: PointLatLng(_originLatitude, _originLongitude),
destination: PointLatLng(_destLatitude, _destLongitude),
));
setState(() {
currentResponse = response;
});
if (response.routes.isNotEmpty) {
final route = response.routes.first;
if (route.polylinePoints != null) {
final points = polylinePoints.convertToLegacyResult(response).points;
final coordinates = points
.map((point) => LatLng(point.latitude, point.longitude))
.toList();
_addPolyLine(coordinates, color: Colors.green);
}
} else {
setState(() {
errorMessage = response.errorMessage ?? 'No route found';
});
}
} catch (e) {
setState(() {
errorMessage = e.toString();
});
} finally {
setState(() {
isLoading = false;
});
}
}
_getAlternativeRoutes() async {
setState(() {
isLoading = true;
errorMessage = null;
polylines.clear();
currentResponse = null;
});
try {
RoutesApiResponse response =
await polylinePoints.getRouteBetweenCoordinatesV2(
request: RequestConverter.createEnhancedRequest(
origin: PointLatLng(_originLatitude, _originLongitude),
destination: PointLatLng(_destLatitude, _destLongitude),
waypoints: [PolylineWayPoint(location: "Sabo, Yaba Lagos Nigeria")],
alternatives: true,
extraComputations: [ExtraComputation.fuelConsumption],
));
setState(() {
currentResponse = response;
});
if (response.routes.isNotEmpty) {
final colors = [Colors.green, Colors.blue, Colors.orange];
for (int i = 0; i < response.routes.length && i < colors.length; i++) {
final route = response.routes[i];
if (route.polylinePoints != null) {
final coordinates = route.polylinePoints!
.map((point) => LatLng(point.latitude, point.longitude))
.toList();
_addPolyLine(coordinates, color: colors[i], id: "poly_$i");
}
}
} else {
setState(() {
errorMessage = response.errorMessage ?? 'No routes found';
});
}
} catch (e) {
setState(() {
errorMessage = e.toString();
});
} finally {
setState(() {
isLoading = false;
});
}
}
}
// Two-Wheeler Example (Routes API Exclusive Feature)
class TwoWheelerMapScreen extends StatefulWidget {
final String apiKey;
const TwoWheelerMapScreen({super.key, required this.apiKey});
@override
TwoWheelerMapScreenState createState() => TwoWheelerMapScreenState();
}
class TwoWheelerMapScreenState extends State<TwoWheelerMapScreen> {
late GoogleMapController mapController;
final double _originLatitude = 6.5212402, _originLongitude = 3.3679965;
final double _destLatitude = 6.849660, _destLongitude = 3.648190;
Map<MarkerId, Marker> markers = {};
Map<PolylineId, Polyline> polylines = {};
late PolylinePoints polylinePointsV2;
bool isLoading = false;
String? errorMessage;
RoutesApiResponse? currentResponse;
bool avoidHighways = false;
bool avoidTolls = false;
@override
void initState() {
super.initState();
polylinePointsV2 = PolylinePoints.enhanced(widget.apiKey);
_addMarker(LatLng(_originLatitude, _originLongitude), "origin",
BitmapDescriptor.defaultMarker);
_addMarker(LatLng(_destLatitude, _destLongitude), "destination",
BitmapDescriptor.defaultMarkerWithHue(90));
_getTwoWheelerRoute();
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: Stack(
children: [
GoogleMap(
initialCameraPosition: CameraPosition(
target: LatLng(_originLatitude, _originLongitude), zoom: 12),
myLocationEnabled: true,
tiltGesturesEnabled: true,
compassEnabled: true,
scrollGesturesEnabled: true,
zoomGesturesEnabled: true,
onMapCreated: _onMapCreated,
markers: Set<Marker>.of(markers.values),
polylines: Set<Polyline>.of(polylines.values),
),
if (isLoading)
Container(
color: Colors.black26,
child: const Center(
child: CircularProgressIndicator(),
),
),
if (errorMessage != null)
Positioned(
top: 16,
left: 16,
right: 16,
child: Card(
color: Colors.red[100],
child: Padding(
padding: const EdgeInsets.all(16),
child: Text(
'Error: $errorMessage',
style: TextStyle(color: Colors.red[800]),
),
),
),
),
Positioned(
bottom: 16,
left: 16,
right: 16,
child: Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Row(
children: [
const Icon(Icons.motorcycle, color: Colors.orange),
const SizedBox(width: 8),
Text(
'Two-Wheeler Routing',
style: Theme.of(context).textTheme.titleMedium,
),
],
),
const SizedBox(height: 8),
Text(
'Optimized routing for motorcycles and scooters. This feature is exclusive to the Routes API.',
style: Theme.of(context).textTheme.bodySmall,
textAlign: TextAlign.center,
),
const SizedBox(height: 8),
Row(
children: [
Expanded(
child: CheckboxListTile(
title: const Text('Avoid Highways',
style: TextStyle(fontSize: 12)),
value: avoidHighways,
onChanged: (value) {
setState(() {
avoidHighways = value ?? false;
});
_getTwoWheelerRoute();
},
dense: true,
),
),
Expanded(
child: CheckboxListTile(
title: const Text('Avoid Tolls',
style: TextStyle(fontSize: 12)),
value: avoidTolls,
onChanged: (value) {
setState(() {
avoidTolls = value ?? false;
});
_getTwoWheelerRoute();
},
dense: true,
),
),
],
),
if (currentResponse != null &&
currentResponse!.routes.isNotEmpty)
..._buildRouteInfo(),
const SizedBox(height: 8),
ElevatedButton.icon(
onPressed: _getTwoWheelerRoute,
icon: const Icon(Icons.motorcycle),
label: const Text('Get Two-Wheeler Route'),
style: ElevatedButton.styleFrom(
backgroundColor: Colors.orange,
foregroundColor: Colors.white,
),
),
],
),
),
),
),
],
),
);
}
List<Widget> _buildRouteInfo() {
final route = currentResponse!.routes.first;
return [
const SizedBox(height: 8),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Column(
children: [
const Text('Duration',
style: TextStyle(fontWeight: FontWeight.bold)),
Text(route.duration?.toString() ?? 'N/A'),
],
),
Column(
children: [
const Text('Distance',
style: TextStyle(fontWeight: FontWeight.bold)),
Text(route.distanceMeters != null
? '${(route.distanceMeters! / 1000).toStringAsFixed(1)} km'
: 'N/A'),
],
),
],
),
];
}
void _onMapCreated(GoogleMapController controller) async {
mapController = controller;
}
_addMarker(LatLng position, String id, BitmapDescriptor descriptor) {
MarkerId markerId = MarkerId(id);
Marker marker =
Marker(markerId: markerId, icon: descriptor, position: position);
markers[markerId] = marker;
}
_addPolyLine(List<LatLng> coordinates) {
PolylineId id = const PolylineId("poly");
Polyline polyline = Polyline(
polylineId: id, color: Colors.orange, points: coordinates, width: 5);
polylines[id] = polyline;
setState(() {});
}
_getTwoWheelerRoute() async {
setState(() {
isLoading = true;
errorMessage = null;
polylines.clear();
currentResponse = null;
});
try {
RoutesApiResponse response =
await polylinePointsV2.getRouteBetweenCoordinatesV2(
request: RequestConverter.createEnhancedRequest(
origin: PointLatLng(_originLatitude, _originLongitude),
destination: PointLatLng(_destLatitude, _destLongitude),
travelMode: TravelMode.twoWheeler,
));
setState(() {
currentResponse = response;
});
if (response.routes.isNotEmpty) {
final route = response.routes.first;
if (route.polylinePoints != null) {
final points =
polylinePointsV2.convertToLegacyResult(response).points;
final coordinates = points
.map((point) => LatLng(point.latitude, point.longitude))
.toList();
_addPolyLine(coordinates);
}
} else {
setState(() {
errorMessage = response.errorMessage ?? 'No route found';
});
}
} catch (e) {
setState(() {
errorMessage = e.toString();
});
} finally {
setState(() {
isLoading = false;
});
}
}
}Metadata
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Weekly Downloads
Metadata
A flutter package to get polyline points by either passing the coordinates or google encoded polyline string
Repository (GitHub)
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Documentation
License
MIT (license)
