init

projectuser

2021-11-26 5a9c6adfda83a50c2566bc0651374c6b3d820292

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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
// ignore_for_file: public_member_api_docs
 
import 'dart:async';
 
import 'package:flutter/material.dart';
import 'package:package_info/package_info.dart';
 
void main() {
  runApp(MyApp());
}
 
class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'PackageInfo Demo',
      theme: ThemeData(primarySwatch: Colors.blue),
      home: MyHomePage(title: 'PackageInfo example app'),
    );
  }
}
 
class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);
 
  final String title;
 
  @override
  _MyHomePageState createState() => _MyHomePageState();
}
 
class _MyHomePageState extends State<MyHomePage> {
  PackageInfo _packageInfo = PackageInfo(
    appName: 'Unknown',
    packageName: 'Unknown',
    version: 'Unknown',
    buildNumber: 'Unknown',
  );
 
  @override
  void initState() {
    super.initState();
    _initPackageInfo();
  }
 
  Future<void> _initPackageInfo() async {
    final PackageInfo info = await PackageInfo.fromPlatform();
    setState(() {
      _packageInfo = info;
    });
  }
 
  Widget _infoTile(String title, String subtitle) {
    return ListTile(
      title: Text(title),
      subtitle: Text(subtitle ?? 'Not set'),
    );
  }
 
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: <Widget>[
          _infoTile('App name', _packageInfo.appName),
          _infoTile('Package name', _packageInfo.packageName),
          _infoTile('App version', _packageInfo.version),
          _infoTile('Build number', _packageInfo.buildNumber),
        ],
      ),
    );
  }
}