maps sample - full screen map

main.dart

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

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

class MyApp extends StatefulWidget {
 @override
 _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
 GoogleMapController mapController;

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

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

 @override
 Widget build(BuildContext context) {
   return MaterialApp(
     home: Scaffold(
       appBar: AppBar(
         title: Text('Maps Sample App'),
         backgroundColor: Colors.green[700],
       ),
       body: GoogleMap(
         onMapCreated: _onMapCreated,
         options: GoogleMapOptions(
           cameraPosition: CameraPosition(
             target: _center,
             zoom: 11.0,
           ),
         ),
       ),
     ),
   );
 }
}