blob: 3b6ca0ea4e6eb198fb1315e9d295ed8512e34300 [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// TODO(goderbauer): Refactor the examples to remove this ignore, https://github.com/flutter/flutter/issues/110210
// ignore_for_file: avoid_dynamic_calls
import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
final Map<String, dynamic> _families = const JsonDecoder().convert('''
{
"f1": {
"name": "Doe",
"people": {
"p1": {
"name": "Jane",
"age": 23
},
"p2": {
"name": "John",
"age": 6
}
}
},
"f2": {
"name": "Wong",
"people": {
"p1": {
"name": "June",
"age": 51
},
"p2": {
"name": "Xin",
"age": 44
}
}
}
}
''');
void main() => runApp(App());
/// The main app.
class App extends StatelessWidget {
/// Creates an [App].
App({Key? key}) : super(key: key);
/// The title of the app.
static const String title = 'GoRouter Example: Extra Parameter';
@override
Widget build(BuildContext context) => MaterialApp.router(
routeInformationProvider: _router.routeInformationProvider,
routeInformationParser: _router.routeInformationParser,
routerDelegate: _router.routerDelegate,
title: title,
);
late final GoRouter _router = GoRouter(
routes: <GoRoute>[
GoRoute(
name: 'home',
path: '/',
builder: (BuildContext context, GoRouterState state) =>
const HomeScreen(),
routes: <GoRoute>[
GoRoute(
name: 'family',
path: 'family',
builder: (BuildContext context, GoRouterState state) {
final Map<String, Object> params =
state.extra! as Map<String, String>;
final String fid = params['fid']! as String;
return FamilyScreen(fid: fid);
},
),
],
),
],
);
}
/// The home screen that shows a list of families.
class HomeScreen extends StatelessWidget {
/// Creates a [HomeScreen].
const HomeScreen({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) => Scaffold(
appBar: AppBar(title: const Text(App.title)),
body: ListView(
children: <Widget>[
for (final String fid in _families.keys)
ListTile(
title: Text(_families[fid]['name']),
onTap: () => context
.goNamed('family', extra: <String, String>{'fid': fid}),
)
],
),
);
}
/// The screen that shows a list of persons in a family.
class FamilyScreen extends StatelessWidget {
/// Creates a [FamilyScreen].
const FamilyScreen({required this.fid, Key? key}) : super(key: key);
/// The family to display.
final String fid;
@override
Widget build(BuildContext context) {
final Map<String, dynamic> people =
_families[fid]['people'] as Map<String, dynamic>;
return Scaffold(
appBar: AppBar(title: Text(_families[fid]['name'])),
body: ListView(
children: <Widget>[
for (final dynamic p in people.values)
ListTile(
title: Text(p['name']),
),
],
),
);
}
}