Add camera page

lib/main.dart

@@ -1,5 +1,11 @@
+import 'package:camera/camera.dart';
 import 'package:flutter/material.dart';
 import 'package:henryckh/screens/home.dart';
 
-void main() =>
-    runApp(MaterialApp(debugShowCheckedModeBanner: false, home: HomePage()));
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  // Obtain a list of the available cameras on the device.
+  final cameras = await availableCameras();
+  runApp(
+      MaterialApp(debugShowCheckedModeBanner: false, home: HomePage(cameras)));
+}

lib/screens/camera.dart

@@ -1 +1,48 @@
+import 'package:flutter/material.dart';
+import 'package:camera/camera.dart';
+import 'package:henryckh/screens/camera.toolbar.dart';
 
+class CameraApp extends StatefulWidget {
+  CameraApp(this.camera);
+  final List<CameraDescription> camera;
+
+  @override
+  _CameraAppState createState() => _CameraAppState(camera);
+}
+
+class _CameraAppState extends State<CameraApp> {
+  CameraController controller;
+  final List<CameraDescription> cameras;
+
+  _CameraAppState(this.cameras);
+
+  @override
+  void initState() {
+    super.initState();
+    controller = CameraController(cameras[0], ResolutionPreset.max);
+    controller.initialize().then((_) {
+      if (!mounted) {
+        return;
+      }
+      setState(() {});
+    });
+  }
+
+  @override
+  void dispose() {
+    controller?.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (!controller.value.isInitialized) {
+      return Container();
+    }
+    return MaterialApp(
+        home: Center(
+            child: Stack(
+      children: [CameraPreview(controller), Toolbar()],
+    )));
+  }
+}

lib/screens/camera.toolbar.dart

@@ -0,0 +1,23 @@
+import 'package:flutter/material.dart';
+
+class Toolbar extends StatefulWidget {
+  @override
+  _ToolbarState createState() => _ToolbarState();
+}
+
+class _ToolbarState extends State<Toolbar> {
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      color: Colors.blue,
+      width: MediaQuery.of(context).size.width,
+      height: 56.0,
+      child: Center(
+        child: Text(
+          "App Title",
+          style: TextStyle(color: Colors.white, fontSize: 18.0),
+        ),
+      ),
+    );
+  }
+}

lib/screens/home.dart

@@ -1,19 +1,27 @@
+import 'package:camera_platform_interface/src/types/camera_description.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:henryckh/screens/camera.dart';
 import './otherpage.dart';
 
 class HomePage extends StatefulWidget {
+  HomePage(this.cameras);
+  final List<CameraDescription> cameras;
+
   @override
   State<StatefulWidget> createState() {
-    return _HomePage();
+    return _HomePage(cameras);
   }
 }
 
 class _HomePage extends State<HomePage> {
+  final List<CameraDescription> cameras;
   String mainProfilePic =
       "https://avatars.githubusercontent.com/u/11421035?v=4";
   String otherProfilePic = "";
 
+  _HomePage(this.cameras);
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -79,11 +87,11 @@ class _HomePage extends State<HomePage> {
                 }),
             ListTile(
                 title: Text("Camera Page"),
-                trailing: Icon(Icons.security),
+                trailing: Icon(Icons.camera),
                 onTap: () {
                   Navigator.of(context).pop();
                   Navigator.of(context).push(new MaterialPageRoute(
-                    builder: (BuildContext context) => OtherPage("Camera Page"),
+                    builder: (BuildContext context) => CameraApp(cameras),
                   ));
                 }),
             Divider(