flutter_map_tappable_polyline 6.0.0
flutter_map_tappable_polyline: ^6.0.0 copied to clipboard
A flutter_map plugin that adds Polyline class with onTap event
import 'package:flutter/material.dart';
import 'package:flutter_map/flutter_map.dart';
import 'package:flutter_map_tappable_polyline/flutter_map_tappable_polyline.dart';
import 'package:latlong2/latlong.dart';
import 'data.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Tappable Polyline Demo',
theme: ThemeData(
// This is the theme of your application.
//
// Try running your application with "flutter run". You'll see the
// application has a blue toolbar. Then, without quitting the app, try
// changing the primarySwatch below to Colors.green and then invoke
// "hot reload" (press "r" in the console where you ran "flutter run",
// or simply save your changes to "hot reload" in a Flutter IDE).
// Notice that the counter didn't reset back to zero; the application
// is not restarted.
primarySwatch: Colors.blue,
),
home: MyHomePage(title: 'Tappable Polyline Demo'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key? key, this.title}) : super(key: key);
// This widget is the home page of your application. It is stateful, meaning
// that it has a State object (defined below) that contains fields that affect
// how it looks.
// This class is the configuration for the state. It holds the values (in this
// case the title) provided by the parent (in this case the App widget) and
// used by the build method of the State. Fields in a Widget subclass are
// always marked "final".
final String? title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
@override
Widget build(BuildContext context) {
// This method is rerun every time setState is called, for instance as done
// by the _incrementCounter method above.
//
// The Flutter framework has been optimized to make rerunning build methods
// fast, so that you can just rebuild anything that needs updating rather
// than having to individually change instances of widgets.
return Scaffold(
appBar: AppBar(
// Here we take the value from the MyHomePage object that was created by
// the App.build method, and use it to set our appbar title.
title: Text(widget.title!),
),
body: FlutterMap(
options: MapOptions(
initialCenter: LatLng(45.1313258, 5.5171205),
initialZoom: 11.0,
),
children: [
TileLayer(
urlTemplate: 'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
subdomains: ['a', 'b', 'c'],
),
TappablePolylineLayer(
// Will only render visible polylines, increasing performance
polylineCulling: true,
pointerDistanceTolerance: 20,
polylines: [
TaggedPolyline(
tag: 'My Polyline',
// An optional tag to distinguish polylines in callback
points: getPoints(0),
color: Colors.red,
strokeWidth: 9.0,
),
TaggedPolyline(
tag: 'My 2nd Polyline',
// An optional tag to distinguish polylines in callback
points: getPoints(1),
color: Colors.black,
strokeWidth: 3.0,
),
TaggedPolyline(
tag: 'My 3rd Polyline',
// An optional tag to distinguish polylines in callback
points: getPoints(0),
color: Colors.blue,
strokeWidth: 3.0,
),
],
onTap: (polylines, tapPosition) => print('Tapped: ' +
polylines.map((polyline) => polyline.tag).join(',') +
' at ' +
tapPosition.globalPosition.toString()),
onMiss: (tapPosition) {
print('No polyline was tapped at position ' +
tapPosition.globalPosition.toString());
})
],
),
);
}
}
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