flutter 中的ModalRoute 传值

  const RouteSettings({
    this.name,
    this.isInitialRoute = false,
    this.arguments,
  });

Navigator.of(context).push(
  new MaterialPageRoute(
    builder: (context) {
      return NewRouteWidget();
    },
    settings: RouteSettings(
      arguments: {'name': 'postbird'},
    ), // 传参
    fullscreenDialog: true,
  ),
);

  /// Creates a route that blocks interaction with previous routes.
  ModalRoute({
    RouteSettings settings,
  }) : super(settings: settings);

// 新路由页面
class NewRouteWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    Map args = ModalRoute.of(context).settings.arguments;
    return Scaffold(
        appBar: AppBar(title: Text('获取参数')),
        body: Center(
            child: Column(
          children: <Widget>[
            Text(args.toString()),
            FlatButton(
              child: Text('pop'),
              onPressed: () {
                Navigator.pop(context);
              },
            )
          ],
        )));
  }
}