String _currentVersion = '';

  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addPostFrameCallback((_) async {
      PackageInfo packageInfo = await PackageInfo.fromPlatform();
      String version = packageInfo.version;
      String buildNumber = packageInfo.buildNumber;
      setState(() {
        _currentVersion = '$version \nBuild $buildNumber';
      });
    });
  }