init

app/lib/screens/home_screen.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/material.dart';
+import 'sms_list_screen.dart';
+import 'settings_screen.dart';
+
+class HomeScreen extends StatefulWidget {
+  const HomeScreen({super.key});
+
+  @override
+  State<HomeScreen> createState() => _HomeScreenState();
+}
+
+class _HomeScreenState extends State<HomeScreen> {
+  int _index = 0;
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: IndexedStack(
+        index: _index,
+        children: const [SmsListScreen(), SettingsScreen()],
+      ),
+      bottomNavigationBar: NavigationBar(
+        selectedIndex: _index,
+        onDestinationSelected: (i) => setState(() => _index = i),
+        destinations: const [
+          NavigationDestination(icon: Icon(Icons.sms_outlined), selectedIcon: Icon(Icons.sms), label: 'Messages'),
+          NavigationDestination(icon: Icon(Icons.settings_outlined), selectedIcon: Icon(Icons.settings), label: 'Settings'),
+        ],
+      ),
+    );
+  }
+}