content: import 'package:flutter/material.dart';
  
  import 'unique_key_page.dart';
  
  void main() => runApp(MyApp());
  
  class MyApp extends StatelessWidget {
    // This widget is the root of your application.
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        title: 'Flutter Demo',
        theme: ThemeData(
          primarySwatch: Colors.blue,
        ),
        home: MyHomePage(title: 'Flutter Demo Home Page'),
      );
    }
  }
  
  class MyHomePage extends StatelessWidget {
    final String title;
  
    MyHomePage({this.title});
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
          title: Text(title),
        ),
        body: ListView(
          children: <Widget>[
            ListTile(
              title: const Text("UniqueKeyのサンプル"),
              onTap: () {
                Navigator.push(
                    context,
                    MaterialPageRoute(
                      builder: (context) => UniqueKeySamplePage(),
                      fullscreenDialog: true,
                    ));
              },
            ),
            const Divider(),
          ],
        ),
      );
    }
  }
  