How to add info window text to google map in flutter

In this Google Flutter code snippet example, we are going to learn How to add info window text to google map in flutter.

You can copy and adopt this source code example to your flutter project easily without issues.

add this code to your pubspec.yaml file

permission_handler: ^3.0.1
google_maps_flutter: ^0.5.19

Create a info_window_text.dart file (use any name of your choice) and add this code:

 import 'dart:async';

import 'package:flutter/material.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';

class InfoWindowTextExample extends StatefulWidget {
  _InfoWindowTextExampleState createState() => _InfoWindowTextExampleState();

class _InfoWindowTextExampleState extends State<InfoWindowTextExample> {
  Completer<GoogleMapController> _controller = Completer();

  static const LatLng _center = const LatLng(45.521563, -122.677433);

  void _onMapCreated(GoogleMapController controller) {

  //static const LatLng _center = const LatLng(45.521563, -122.677433);

  static MarkerId markerId = MarkerId("1");

  final Set<Marker> _markers = {
markerId: markerId,
position: _center,
infoWindow: InfoWindow(
  title: '',
          snippet: 'Here is an Info Window Text on a Google Map',

  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Google Map Info Window Text'),
        body: GoogleMap(
          markers: _markers,
          onMapCreated: _onMapCreated,
          initialCameraPosition: CameraPosition(
            target: _center,
            zoom: 11.0,

In your main.dart file (main entry point of the app), add this:

import 'package:inducesmile/info_window_text.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  Widget build(BuildContext context) {
    return new MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Flutter Code Snippets',
      theme: new ThemeData(primarySwatch:,
      home: new InfoWindowTextExample(),

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