import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'Flutter Demo',
      home: new MyHomePage(),
    );
  }
}

class MyHomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new GestureDetector(
      onTap:() {
        Navigator.push(context, new MaterialPageRoute(builder: (_) => new Company(0)));
      },
      child: new Text('go to company'));
  }
}

class Company extends StatelessWidget {
  static final _scaffoldKey = new GlobalKey<ScaffoldState>();
  final int companyId;
  Company(this.companyId);

  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      key: _scaffoldKey,
      body: new Column(children: [
        new Text('Company $companyId'),
        new GestureDetector(
          onTap:() {
            Navigator.pop(context);
            Navigator.push(context,
              new MaterialPageRoute(builder: (_) => new Company(companyId+1)));
          },
          child: new Text('next company')),
      ]
    ));
  }
}