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2026-08-28 18:23:56 +02:00
commit 0311b8955a
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+/// Host scaffold that owns the bottom navigation bar and its four tabs.
+library;
+
+import 'package:flutter/material.dart';
+
+import 'home_screen.dart';
+import 'profile_screen.dart';
+import 'search_screen.dart';
+import 'settings_screen.dart';
+
+/// Switches between Home, Search, Profile, and Settings without stacking routes.
+class MainShell extends StatefulWidget {
+  const MainShell({super.key});
+
+  @override
+  State<MainShell> createState() => _MainShellState();
+}
+
+class _MainShellState extends State<MainShell> {
+  int _index = 0;
+
+  static const _pages = [
+    HomeScreen(),
+    SearchScreen(),
+    ProfileScreen(),
+    SettingsScreen(),
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: IndexedStack(
+        index: _index,
+        children: _pages,
+      ),
+      bottomNavigationBar: NavigationBar(
+        selectedIndex: _index,
+        onDestinationSelected: (index) => setState(() => _index = index),
+        destinations: const [
+          NavigationDestination(
+            icon: Icon(Icons.home_outlined),
+            selectedIcon: Icon(Icons.home),
+            label: 'Home',
+          ),
+          NavigationDestination(
+            icon: Icon(Icons.search_outlined),
+            selectedIcon: Icon(Icons.search),
+            label: 'Search',
+          ),
+          NavigationDestination(
+            icon: Icon(Icons.person_outline),
+            selectedIcon: Icon(Icons.person),
+            label: 'Profile',
+          ),
+          NavigationDestination(
+            icon: Icon(Icons.settings_outlined),
+            selectedIcon: Icon(Icons.settings),
+            label: 'Settings',
+          ),
+        ],
+      ),
+    );
+  }
+}