import 'package:flutter/material.dart';

class NavigationBarWidget extends StatefulWidget {
  const NavigationBarWidget({super.key});

  @override
  State<NavigationBarWidget> createState() => _NavigationBarWidgetState();
}

class _NavigationBarWidgetState extends State<NavigationBarWidget> {
  int currentIndex = 0;
  static const List body = [
    Icon(Icons.home, size: 50),
    Icon(Icons.search, size: 50),
    Icon(Icons.person, size: 50),
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("NavigationBar Widget"),
      ),
      body: Center(
        child: body.elementAt(currentIndex),
      ),
      bottomNavigationBar: NavigationBar(
        destinations: const [
          NavigationDestination(icon: Icon(Icons.home), label: 'Home'),
          NavigationDestination(icon: Icon(Icons.search), label: 'Search'),
          NavigationDestination(icon: Icon(Icons.person), label: 'Person'),
        ],
        selectedIndex: currentIndex,
        onDestinationSelected: (int index) {
          setState(() {
            currentIndex = index;
          });
        },
      ),
    );
  }
}