home_page.dart

class _HomePageState extends State<HomePage> {
  int _selectedIndex = 0;

  static const List<BottomNavigationBarItem> _navigationBarItems = [
    BottomNavigationBarItem(
      title: Text('Home'),
      icon: Icon(Icons.home),
    ),
    BottomNavigationBarItem(
      title: Text('Search'),
      icon: Icon(Icons.search),
    ),
    BottomNavigationBarItem(
      title: Text('Profile'),
      icon: Icon(Icons.account_circle),
    ),
  ];

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      bottomNavigationBar: BottomNavigationBar(
        items: _navigationBarItems,
        currentIndex: _selectedIndex,
        selectedItemColor: Colors.green,
        onTap: _onItemTapped,
      ),
    );
  }
}