[example] add full page map example (flutter-mapbox-gl#201)

example/lib/full_map.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+import 'package:mapbox_gl/mapbox_gl.dart';
+
+import 'page.dart';
+
+class FullMapPage extends Page {
+  FullMapPage()
+      : super(const Icon(Icons.map), 'Full screen map');
+
+  @override
+  Widget build(BuildContext context) {
+    return const FullMap();
+  }
+}
+
+class FullMap extends StatefulWidget {
+  const FullMap();
+
+  @override
+  State createState() => FullMapState();
+}
+
+class FullMapState extends State<FullMap> {
+  MapboxMapController mapController;
+
+  void _onMapCreated(MapboxMapController controller) {
+    mapController = controller;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return new Scaffold(
+        body: MapboxMap(
+          onMapCreated: _onMapCreated,
+          initialCameraPosition:
+          const CameraPosition(target: LatLng(0.0, 0.0)),
+        )
+    );
+  }
+}

example/lib/main.dart

@@ -4,8 +4,10 @@
 
 import 'package:flutter/material.dart';
 import 'package:location/location.dart';
+import 'package:mapbox_gl_example/full_map.dart';
 
 import 'animate_camera.dart';
+import 'full_map.dart';
 import 'line.dart';
 import 'map_ui.dart';
 import 'move_camera.dart';
@@ -16,6 +18,7 @@ import 'scrolling_map.dart';
 
 final List<Page> _allPages = <Page>[
   MapUiPage(),
+  FullMapPage(),
   AnimateCameraPage(),
   MoveCameraPage(),
   PlaceSymbolPage(),