A Flutter app using Google Maps SDK & Directions API

A Flutter app using Google Maps SDK & Directions API

Flutter-Maps A Flutter app using Google Maps SDK & Directions API

Flutter Maps

A Flutter app using Google Maps SDK & Directions API


The plugins used in this project are:


  • Detect the current location of the user
  • Use Geocoding for converting addresses to coordinates and vice versa
  • Add Markers to the Map View
  • Draw the route between two places using Polylines and Directions API
  • Calculate the actual distance of the route


  • Clone the repository.

    git clone https://github.com/sbis04/flutter_maps.git
  • Open the project using your favorite IDE. For opening with VS Code:

    code flutter_maps
  • For the Android part, go to android/app/src/main/AndroidManifest.xml file and add your API key here.

    <!-- Add your Google Maps API Key here -->
    <meta-data android:name="com.google.android.geo.API_KEY"
                   android:value="YOUR KEY HERE"/>
  • For the iOS part, go to ios/Runner/AppDelegate.swift file and add your API key here.

    GMSServices.provideAPIKey("YOUR KEY HERE")
  • Go to the lib/secrets.dart file and add your API key here.

Full configuration (already done in this project)

You do not require to complete these configurations if you are cloning this project, as they are already done in it. But these may be helpful if you are setting up a new Flutter project for using Google Maps and location services.

Android setup

  • Navigate to the file android/app/src/main/AndroidManifest.xml and add the following code snippet inside the application tag:

    <!-- Add your Google Maps API Key here -->
    <meta-data android:name="com.google.android.geo.API_KEY"
                   android:value="YOUR KEY HERE"/>
  • Also, you will need location access in the app. So, add the following permission in the same file inside the manifest tag:

    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>

iOS setup

  • Navigate to the file ios/Runner/AppDelegate.swift and replace the whole code with the following:

    import UIKit
    import Flutter
    import GoogleMaps
    @objc class AppDelegate: FlutterAppDelegate {
      override func application(
        _ application: UIApplication,
        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
      ) -> Bool {
        //Add your Google Maps API Key here
        GMSServices.provideAPIKey("YOUR KEY HERE")
        GeneratedPluginRegistrant.register(with: self)
        return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  • Also, add the following to ios/Runner/Info.plist file:

  • For getting location permission, add the following to the same file:

    <string>This app needs access to location when open.</string>

This completes the setup for both the platforms in Flutter.

Download Details:

Author: Jahnavi-Jonnalagadda

Source Code: https://github.com/Jahnavi-Jonnalagadda/Flutter-Maps

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