Untitled

import 'package:badges/badges.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/material.dart';
import 'package:flutter_icons/flutter_icons.dart';
import 'package:the_kosmo_club/providers/plans.dart';
import 'package:the_kosmo_club/providers/user.dart';
import 'package:the_kosmo_club/services/database.dart';
import 'package:the_kosmo_club/views/chatrooms.dart';
import 'package:provider/provider.dart';
import 'package:the_kosmo_club/views/eliminated.dart';
import 'package:the_kosmo_club/views/home.dart';
import 'package:the_kosmo_club/views/info.dart';
import 'package:the_kosmo_club/views/profile.dart';

class BottomNav extends StatefulWidget {
  final int currentIndex;
  final String userEmail;
  BottomNav({this.currentIndex = 0, @required this.userEmail});

  @override
  _BottomNavState createState() => _BottomNavState(currentIndex: currentIndex);
}

class _BottomNavState extends State<BottomNav> {
  int currentIndex;
  _BottomNavState({this.currentIndex});

  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    final tabs = [
      HomePage(),
      ChatRoom(),
      ProfilePage(),
      ElemenatedActivitiesPage(),
      InfoPage()
    ];
    return MultiProvider(
      providers: [
        ChangeNotifierProvider(
          create: (ctx) => Plans(),
        ),
        ChangeNotifierProvider(
          create: (ctx) => Usser(),
        ),
      ],
      child: Scaffold(
        bottomNavigationBar: BottomNavigationBar(
          iconSize: 40,
          type: BottomNavigationBarType.fixed,
          backgroundColor: Colors.black,
          selectedLabelStyle: TextStyle(fontSize: 0),
          unselectedLabelStyle: TextStyle(fontSize: 0),
          selectedItemColor: Colors.white,
          unselectedItemColor: Colors.grey,
          currentIndex: currentIndex,
          items: [
            BottomNavigationBarItem(
              label: '',
              icon: Icon(
                MaterialIcons.home,
              ),
            ),
            BottomNavigationBarItem(
              label: '',
              icon: StreamBuilder<QuerySnapshot>(
                stream: DatabaseMethods().unReadMsg(widget.userEmail),
                builder: (context, snapshot) {
                  if (snapshot.connectionState == ConnectionState.waiting) {
                    return const Icon(Icons.message);
                  } else if (snapshot.connectionState == ConnectionState.done) {
                    return snapshot.data.docs.length > 0
                        ? Badge(
                            position: const BadgePosition(
                              top: -5,
                              start: -5,
                            ),
                            child: const Icon(Icons.message),
                          )
                        : const Icon(Icons.message);
                  } else if (snapshot.hasError) {
                    return const Icon(Icons.message);
                  } else {
                    return snapshot.data.docs.length > 0
                        ? Badge(
                            position: const BadgePosition(
                              top: -5,
                              start: -5,
                            ),
                            child: const Icon(Icons.message),
                          )
                        : const Icon(Icons.message);
                  }
                },
              ),
            ),
            BottomNavigationBarItem(
              label: '',
              icon: Icon(
                Icons.favorite,
              ),
            ),
            BottomNavigationBarItem(
              label: '',
              icon: Icon(
                Icons.add_circle_sharp,
              ),
            ),
            BottomNavigationBarItem(
              label: '',
              icon: Icon(
                Icons.info_rounded,
              ),
            ),
          ],
          onTap: (index) {
            setState(() {
              currentIndex = index;
            });
          },
        ),
        body: IndexedStack(
          index: currentIndex,
          children: tabs,
        ),
      ),
    );
  }
}