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A Flutter plugin for integrating Google Maps in iOS and Android applications.

Google Maps for Flutter (Developers Preview) #

pub package

A Flutter plugin that provides a Google Maps widget.

Developers Preview Status #

The plugin relies on Flutter's new mechanism for embedding Android and iOS views. As that mechanism is currently in a developers preview, this plugin should also be considered a developers preview.

Known issues are tagged with the platform-views and/or maps labels.

To use this plugin on iOS you need to opt-in for the embedded views preview by adding a boolean property to the app's Info.plist file, with the key io.flutter.embedded_views_preview and the value YES.

The API exposed by this plugin is not yet stable, and we expect some breaking changes to land soon.

Usage #

To use this plugin, add google_maps_flutter as a dependency in your pubspec.yaml file.

Getting Started #

Get an API key at https://cloud.google.com/maps-platform/.

Android #

Specify your API key in the application manifest android/app/src/main/AndroidManifest.xml:

<manifest ...
  <application ...
    <meta-data android:name="com.google.android.geo.API_KEY"
               android:value="YOUR KEY HERE"/>

iOS #

Specify your API key in the application delegate ios/Runner/AppDelegate.m:

#include "AppDelegate.h"
#include "GeneratedPluginRegistrant.h"
#import "GoogleMaps/GoogleMaps.h"

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application
    didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
  [GMSServices provideAPIKey:@"YOUR KEY HERE"];
  [GeneratedPluginRegistrant registerWithRegistry:self];
  return [super application:application didFinishLaunchingWithOptions:launchOptions];
}
@end

Or in your swift code, specify your API key in the application delegate ios/Runner/AppDelegate.swift:

import UIKit
import Flutter
import GoogleMaps

@UIApplicationMain
@objc class AppDelegate: FlutterAppDelegate {
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?
  ) -> Bool {
    GMSServices.provideAPIKey("YOUR KEY HERE")
    GeneratedPluginRegistrant.register(with: self)
    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }
}

Opt-in to the embedded views preview by adding a boolean property to the app's Info.plist file with the key io.flutter.embedded_views_preview and the value YES.

Both #

You can now add a GoogleMap widget to your widget tree.

The map view can be controlled with the GoogleMapController that is passed to the GoogleMap's onMapCreated callback.

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

void main() {
  runApp(MaterialApp(
    home: Scaffold(
      appBar: AppBar(title: const Text('Google Maps demo')),
      body: MapsDemo(),
    ),
  ));
}

class MapsDemo extends StatefulWidget {
  @override
  State createState() => MapsDemoState();
}

class MapsDemoState extends State<MapsDemo> {

  GoogleMapController mapController;

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: EdgeInsets.all(15.0),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.spaceEvenly,
        children: <Widget>[
          Center(
            child: SizedBox(
              width: 300.0,
              height: 200.0,
              child: GoogleMap(
                onMapCreated: _onMapCreated,
              ),
            ),
          ),
          RaisedButton(
            child: const Text('Go to London'),
            onPressed: mapController == null ? null : () {
              mapController.animateCamera(CameraUpdate.newCameraPosition(
                const CameraPosition(
                  bearing: 270.0,
                  target: LatLng(51.5160895, -0.1294527),
                  tilt: 30.0,
                  zoom: 17.0,
                ),
              ));
            },
          ),
        ],
      ),
    );
  }

  void _onMapCreated(GoogleMapController controller) {
    setState(() { mapController = controller; });
  }
}

See the example directory for a complete sample app.

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Publisher

verified publisherflutter.dev

A Flutter plugin for integrating Google Maps in iOS and Android applications.

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License

unknown (LICENSE)

Dependencies

flutter

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