What is the correct way to use nested navigators?

[Kahoulam]

I want to have different navigators for Home tab and Bussiness tab, but I get blank screen for both.

I had to use a different AutoRouter in the tabs because the tabs will have the same internal screen...

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

class MainPage extends StatefulWidget {
  const MainPage({Key? key}) : super(key: key);

  @override
  State<MainPage> createState() => _MainPageState();
}

class _MainPageState extends State<MainPage> {
  int _selectedIndex = 0;

  final _navigators = [
    MyAutoRouter(GlobalKey<NavigatorState>()),
    MyAutoRouter(GlobalKey<NavigatorState>()),
  ];

  late final _routers = List.generate(
    2,
    (index) => Router(
      routerDelegate: _navigators[index].delegate(initialRoutes: [
        {
          0: HomeRoute(),
          1: SettingRoute(),
        }[index]!,
      ]),
      routeInformationParser: _navigators[index].defaultRouteParser(),
    ),
  );

  void _onItemTapped(int index) {
    setState(() {
      _selectedIndex = index;
    });
  }

  @override
  Widget build(BuildContext context) {
    return CupertinoTabScaffold(
      tabBuilder: (context, index) => _routers[index],
      tabBar: CupertinoTabBar(
        items: const <BottomNavigationBarItem>[
          BottomNavigationBarItem(
            icon: Icon(Icons.home),
            label: 'Home',
          ),
          BottomNavigationBarItem(
            icon: Icon(Icons.settings),
            label: 'Business',
          ),
        ],
        onTap: _onItemTapped,
      ),
    );
  }
}

[mohammedgmgn]

hello. @Kahoulam , please check the following example

class HomePage extends StatelessWidget {
  const HomePage({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return AutoTabsScaffold(
      appBarBuilder: (_, tabsRouter) => AppBar(
        backgroundColor: Colors.indigo,
        title: const Text('FlutterBottomNav'),
        centerTitle: true,
        leading: const AutoBackButton(),
      ),
      backgroundColor: Colors.indigo,
      routes: const [
        PostsRouter(),
        UsersRouter(),
        SettingsRouter(),
      ],
      bottomNavigationBuilder: (_, tabsRouter) {
        return SalomonBottomBar(
          margin: const EdgeInsets.symmetric(
            horizontal: 20,
            vertical: 40,
          ),
          currentIndex: tabsRouter.activeIndex,
          onTap: tabsRouter.setActiveIndex,
          items: [
            SalomonBottomBarItem(
              selectedColor: Colors.amberAccent,
              icon: const Icon(
                Icons.post_add,
                size: 30,
              ),
              title: const Text('Posts'),
            ),
            SalomonBottomBarItem(
              selectedColor: Colors.blue[200],
              icon: const Icon(
                Icons.person,
                size: 30,
              ),
              title: const Text('Users'),
            ),
            SalomonBottomBarItem(
              selectedColor: Colors.pinkAccent[100],
              icon: const Icon(
                Icons.settings,
                size: 30,
              ),
              title: const Text('Settings'),
            )
          ],
        );
      },
    );
  }
}

[Kahoulam]

Thank @mohammedgmgn, I had to use a different AutoRouter in the tabs because the tabs will have the same internal screen...

[Milad-Akarie]

@Kahoulam Can you explain more? do you need to use AutoTabsRouter with CupertinoTabsScaffold?

[Kahoulam]

Thank @Milad-Akarie, No, I just need to use same routes in Home and Business tabs.