main page beside navigator

FlutterApp_OpensourceEdit/home.dart

+import 'package:flutter/material.dart';
+import 'package:flutter_examples/utils/Constraints.dart';
+
+class Home extends StatefulWidget {
+  @override
+  _HomeState createState() => _HomeState();
+}
+
+class _HomeState extends State<Home> {
+  List<String> choices = ['moodle', 'chatbot'];
+
+  _select(String selected) {
+    print('selected Option');
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return new Scaffold(
+      appBar: new AppBar(
+        title: new Text('Test1'),
+        actions: <Widget>[
+          PopupMenuButton(
+            onSelected: _select,
+            itemBuilder: (BuildContext context) {
+              return choices.map((String choice) {
+                return PopupMenuItem(
+                  value: choice,
+                  child: Text(choice),
+                );
+              }).toList();
+            },
+          ),
+        ],
+      ),
+      drawer: Drawer(
+        child: ListView(
+          // Important: Remove any padding from the ListView.
+          padding: EdgeInsets.zero,
+          children: <Widget>[
+            DrawerHeader(
+              child: new Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: <Widget>[
+//                  Image.network(
+//                    'https://avatars1.githubusercontent.com/u/14101776',
+//                    width: 60.0,
+//                    height: 60.0,
+//                  ),
+                  Text(
+                    'Hostel Application',
+                    style: TextStyle(color: Colors.white, fontSize: 24.0),
+                  ),
+                  new SizedBox(height: 10.0),
+                  Text(
+                    'Debugs',
+                    style: TextStyle(color: Colors.white),
+                  )
+                ],
+              ),
+              decoration: BoxDecoration(
+                color: Colors.deepPurpleAccent,
+              ),
+            ),
+            ListTile(
+              title: Text('Home'),
+              onTap: () {
+                Navigator.pushNamed(context, Constraints.ROUTE_HOME);
+              },
+            ),
+
+            ListTile(
+              title: Text('My Account'),
+              onTap: () {
+                Navigator.pushNamed(context, Constraints.ROUTE_SETTINGS);
+              },
+            ),
+            ListTile(
+              title: Text('Total Issued Problems'),
+              onTap: () {
+                Navigator.pushNamed(context, Constraints.ROUTE_CATEGORY);
+              },
+            ),
+          ],
+        ),
+      ),
+      body: new Container(
+        child: new Text("Debugs Application Beta version"),
+      ),
+    );
+  }
+}
+
+class MyCustomRoute<T> extends MaterialPageRoute<T> {
+  MyCustomRoute({WidgetBuilder builder, RouteSettings settings})
+      : super(builder: builder, settings: settings);
+
+  @override
+  Widget buildTransitions(BuildContext context, Animation<double> animation,
+      Animation<double> secondaryAnimation, Widget child) {
+    if (settings.isInitialRoute) return child;
+    // Fades between routes. (If you don't want any animation,
+    // just return child.)
+    return new FadeTransition(opacity: animation, child: child);
+  }
+}