ozgurkon-app/lib/screens/HomePage.dart

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:ozgurkon_app/screens/Live.dart';
import 'package:ozgurkon_app/screens/Chat.dart';
import 'package:ozgurkon_app/widgets/Schedule.dart';
import 'package:ozgurkon_app/screens/Settings.dart';
import 'package:ozgurkon_app/screens/Videos.dart';

class HomePage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _HomeState();
  }
}

class _HomeState extends State<HomePage> {
  int _currentIndex = 0;
  final List<Widget> _children = [
    ChatPage(),
    Live(),
    Schedule(),
    VideosListView(),
  ];
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('ÖzgürKon'),
        actions: <Widget>[
          IconButton(
              icon: const Icon(Icons.settings),
              onPressed: () {
                Navigator.push(
                  context,
                  MaterialPageRoute(builder: (context) => Settings()),
                );
              })
        ],
      ),
      body: _children[_currentIndex], // new
      bottomNavigationBar: BottomNavigationBar(
        type: BottomNavigationBarType.fixed,
        onTap: onTabTapped, // new
        currentIndex:
            _currentIndex, // this will be set when a new tab is tapped
        items: [
          BottomNavigationBarItem(
            icon: new Icon(Icons.chat),
            label: 'chat'.tr,
          ),
          BottomNavigationBarItem(
            icon: new Icon(Icons.live_tv),
            label: 'live'.tr,
          ),
          BottomNavigationBarItem(
              icon: Icon(Icons.date_range), label: 'schedule'.tr),
          BottomNavigationBarItem(icon: Icon(Icons.movie), label: 'videos'.tr)
        ],
      ),
    );
  }

  void onTabTapped(int index) {
    setState(() {
      _currentIndex = index;
    });
  }
}