GetX minimal sample bottom navbar.

main.dart

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

class SampleBottomNavDemo extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return GetMaterialApp(
      themeMode: ThemeMode.dark,
      debugShowCheckedModeBanner: false,
      theme: ThemeData.light(),
      darkTheme: ThemeData.dark().copyWith(primaryColor: Colors.deepPurple),
      getPages: [
        GetPage(
          name: '/',
          page: () => SampleBottomNav(),
          binding: HomeBinding(),
        ),
      ],
    );
  }
}

class HomeBinding extends Bindings {
  @override
  void dependencies() => Get.put(HomeController());
}

class HomeController extends GetxController {
  final _navIndex = 0.obs;
  int get navIndex => _navIndex.value;
  void navTo(int idx) => _navIndex.value = idx;
}

final navMenuData = List.generate(5, (index) => 'Page $index');

class SampleBottomNav extends GetView<HomeController> {
  final pages = navMenuData.map((e) => PageSample(title: '$e')).toList();

  final menuItems = navMenuData
      .map((e) => BottomNavigationBarItem(icon: Text(e), label: e))
      .toList();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('bottom nav sample'),
        centerTitle: false,
      ),
      body: Obx(() => pages[controller.navIndex]),
      bottomNavigationBar: Obx(
        () => BottomNavigationBar(
          items: menuItems,
          currentIndex: controller.navIndex,
          onTap: controller.navTo,
        ),
      ),
    );
  }
}

class PageSample extends StatelessWidget {
  final String title;
  const PageSample({Key key, this.title}) : super(key: key);
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(child: Text(title, style: Get.textTheme.headline3)),
    );
  }
}

I'm working on this for a week or so.
Watched almost all YouTube tuts about GetX and read every docs and contents about navigation in Flutter and GetX!
But its really confusing or I'm really stupid :D
Thanks for your time 👍