implemented handling_routes example

handling_routes/lib/AboutPage.dart

@@ -0,0 +1,37 @@
+import 'package:flutter/material.dart';
+
+class AboutPage extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return new Scaffold(
+      appBar: new AppBar(
+        title: new Text("About Page"),
+        backgroundColor: Colors.blue,
+      ),
+      body: new Container(
+        child: new Center(
+          child: new Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: <Widget>[
+              new Text(
+                "About Page\nClick on below icon to goto Home Page",
+                style: new TextStyle(fontSize: 20.0),
+              ),
+              new IconButton(
+                icon: new Icon(
+                  Icons.home,
+                  color: Colors.blue,
+                ),
+                onPressed: () {
+                  // use the navigator to goto a named route
+                  Navigator.of(context).pushNamed('/');
+                },
+                iconSize: 80.0,
+              )
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}