flutter_animated_bottom_nav 0.0.2

A highly customizable animated bottom navigation with morphing icons, badge support, and smooth transitions

example/lib/main.dart

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

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Animated Bottom Nav Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        useMaterial3: true,
      ),
      home: const MyHomePage(),
    );
  }
}

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

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _selectedIndex = 0;

  final List<NavItem> _navItems = [
    NavItemExtension.home(
      badgeCount: 3,
      badgeStyle: const BadgeStyle(
        backgroundColor: Colors.red,
        textColor: Colors.white,
      ),
    ),
    NavItemExtension.search(),
    NavItemExtension.notifications(
      badgeCount: 12,
      badgeStyle: const BadgeStyle(
        backgroundColor: Colors.orange,
        textColor: Colors.white,
        showZero: true,
      ),
    ),
    NavItemExtension.profile(),
    NavItemExtension.settings(),
  ];

  final List<Widget> _pages = [
    const HomePage(),
    const SearchPage(),
    const NotificationsPage(),
    const ProfilePage(),
    const SettingsPage(),
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: IndexedStack(
        index: _selectedIndex,
        children: _pages,
      ),
      bottomNavigationBar: AnimatedBottomNav(
        items: _navItems,
        selectedIndex: _selectedIndex,
        onItemSelected: (index) {
          setState(() {
            _selectedIndex = index;
          });
        },
        style: const NavStyle(
          backgroundColor: Colors.white,
          selectedColor: Colors.blue,
          unselectedColor: Colors.grey,
          selectedItemBackgroundColor: Color(0xFFE3F2FD),
          height: 80,
          elevation: 8,
          animationDuration: Duration(milliseconds: 300),
          animationCurve: Curves.easeInOut,
        ),
      ),
    );
  }
}

class HomePage extends StatelessWidget {
  const HomePage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.blue.shade50,
      appBar: AppBar(
        title: const Text('Home'),
        backgroundColor: Colors.blue,
        foregroundColor: Colors.white,
      ),
      body: const Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Icon(
              Icons.home,
              size: 100,
              color: Colors.blue,
            ),
            SizedBox(height: 20),
            Text(
              'Home Page',
              style: TextStyle(
                fontSize: 24,
                fontWeight: FontWeight.bold,
                color: Colors.blue,
              ),
            ),
            SizedBox(height: 10),
            Text(
              'This is the home page with a badge count of 3',
              textAlign: TextAlign.center,
              style: TextStyle(
                fontSize: 16,
                color: Colors.grey,
              ),
            ),
          ],
        ),
      ),
    );
  }
}

class SearchPage extends StatelessWidget {
  const SearchPage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.green.shade50,
      appBar: AppBar(
        title: const Text('Search'),
        backgroundColor: Colors.green,
        foregroundColor: Colors.white,
      ),
      body: const Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Icon(
              Icons.search,
              size: 100,
              color: Colors.green,
            ),
            SizedBox(height: 20),
            Text(
              'Search Page',
              style: TextStyle(
                fontSize: 24,
                fontWeight: FontWeight.bold,
                color: Colors.green,
              ),
            ),
            SizedBox(height: 10),
            Text(
              'Search for anything you want',
              textAlign: TextAlign.center,
              style: TextStyle(
                fontSize: 16,
                color: Colors.grey,
              ),
            ),
          ],
        ),
      ),
    );
  }
}

class NotificationsPage extends StatelessWidget {
  const NotificationsPage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.orange.shade50,
      appBar: AppBar(
        title: const Text('Notifications'),
        backgroundColor: Colors.orange,
        foregroundColor: Colors.white,
      ),
      body: const Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Icon(
              Icons.notifications,
              size: 100,
              color: Colors.orange,
            ),
            SizedBox(height: 20),
            Text(
              'Notifications Page',
              style: TextStyle(
                fontSize: 24,
                fontWeight: FontWeight.bold,
                color: Colors.orange,
              ),
            ),
            SizedBox(height: 10),
            Text(
              'You have 12 new notifications',
              textAlign: TextAlign.center,
              style: TextStyle(
                fontSize: 16,
                color: Colors.grey,
              ),
            ),
          ],
        ),
      ),
    );
  }
}

class ProfilePage extends StatelessWidget {
  const ProfilePage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.purple.shade50,
      appBar: AppBar(
        title: const Text('Profile'),
        backgroundColor: Colors.purple,
        foregroundColor: Colors.white,
      ),
      body: const Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Icon(
              Icons.person,
              size: 100,
              color: Colors.purple,
            ),
            SizedBox(height: 20),
            Text(
              'Profile Page',
              style: TextStyle(
                fontSize: 24,
                fontWeight: FontWeight.bold,
                color: Colors.purple,
              ),
            ),
            SizedBox(height: 10),
            Text(
              'Manage your profile settings',
              textAlign: TextAlign.center,
              style: TextStyle(
                fontSize: 16,
                color: Colors.grey,
              ),
            ),
          ],
        ),
      ),
    );
  }
}

class SettingsPage extends StatelessWidget {
  const SettingsPage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.grey.shade50,
      appBar: AppBar(
        title: const Text('Settings'),
        backgroundColor: Colors.grey,
        foregroundColor: Colors.white,
      ),
      body: const Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Icon(
              Icons.settings,
              size: 100,
              color: Colors.grey,
            ),
            SizedBox(height: 20),
            Text(
              'Settings Page',
              style: TextStyle(
                fontSize: 24,
                fontWeight: FontWeight.bold,
                color: Colors.grey,
              ),
            ),
            SizedBox(height: 10),
            Text(
              'Configure your app settings',
              textAlign: TextAlign.center,
              style: TextStyle(
                fontSize: 16,
                color: Colors.grey,
              ),
            ),
          ],
        ),
      ),
    );
  }
}