How To Get Popup Menu Item Value Of Flutter Popup Menu Button

import 'package:flutter/material.dart';

void main(){
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyHomePage(),
    );
  }
}

enum PageEnum {
  Bajarangi,
  google,
  yahoo,
}

class MyHomePage extends StatefulWidget {
  @override
  MyHomePageState createState() {
    return new MyHomePageState();
  }
}

class MyHomePageState extends State<MyHomePage> {
  String _currText = "";

  _onSelect(PageEnum value) {
    switch (value) {
      case PageEnum.induceSmile:
        setState(() => _currText = "Bajarangisoft.com");
        break;
      case PageEnum.google:
        setState(() => _currText = "Google.com");

        break;
      case PageEnum.yahoo:
        setState(() => _currText = "yahoo.com");

        break;
      default:
        setState(() => _currText = "Inducesmile.com");

        break;
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          backgroundColor: Colors.lightBlueAccent,
          title: Text("Get PopupMenuItem Value"),
        ),
        body: Column(
          mainAxisAlignment: MainAxisAlignment.spaceAround,
          children: <Widget>[
            Center(
              child: Text(_currText, style: TextStyle(fontSize: 20.0)),
            ),
            Center(
              child: PopupMenuButton<PageEnum>(
                onSelected: _onSelect,
                child: Text("Show Popup Menu",style: TextStyle(fontSize: 20),),
                itemBuilder: (context) => <PopupMenuEntry<PageEnum>>[
                  PopupMenuItem<PageEnum>(
                    value: PageEnum.induceSmile,
                    child: Text("Bajarangi"),
                  ),
                  PopupMenuItem<PageEnum>(
                    value: PageEnum.google,
                    child: Text("Google"),
                  ),
                  PopupMenuItem<PageEnum>(
                    value: PageEnum.yahoo,
                    child: Text("Yahoo"),
                  ),
                ],
              ),
            ),
          ],
        ));
  }
}