Bottom Bar #

Bottom bar helps create an optimized bottom navigation bar with beautiful animations. This package is inspired by bottom_navy_bar and has many improvements over it:

• BottomBarItem's width is dynamic and not fixed (Bottom_bar vs bottom_navy_bar)
• Dark Mode Support
• More optimized (BottomBarItem vs BottomNavyBarItem)
• Allows inserting keys for each BottomBarItem for widget testing

Content #

• Installation
• Parameters
• Take Note
• Community Support

Installation #

Add bottom_bar to pubspec.yaml

dependencies:
  bottom_bar: ^1.2.2+1

Parameters #

BottomBar #

Creates a BottomBar that displays a list of BottomBarItem

• selectedIndex - Index of selected item
• curve - Curve of animation
• duration - Duration of animation
• items - List of BottomBarItem to display
• itemPadding - Padding between the background color and (Row that contains icon and title)
• onTap - Fires whenever a BottomBarItem is tapped
• textStyle - TextStyle of title widget (Only applied when widget is Text)

BottomBarItem #

Contains information about the item that BottomBar has to display

• icon - Icon of BottomBarItem
• title - Title of BottomBarItem
• activeColor - Color of icon, title, and background of BottomBarItem during light mode when it is selected
• darkActiveColor - Color of icon, title, and background of BottomBarItem during dark mode when it is selected
• inactiveColor - Color of icon, title, and background of BottomBarItem when it is not selected

Usage #

Import the Package #

import 'package:bottom_bar/bottom_bar.dart';

Example #

  int _currentPage = 0;
  final _pageController = PageController();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: PageView(
        controller: _pageController,
        children: [
          Container(color: Colors.blue),
          Container(color: Colors.red),
          Container(color: Colors.greenAccent.shade700),
          Container(color: Colors.orange),
        ],
        onPageChanged: (index) {
          // Use a better state management solution
          // setState is used for simplicity
          setState(() => _currentPage = index);
        },
      ),
      bottomNavigationBar: BottomBar(
        selectedIndex: _currentPage,
        onTap: (int index) {
          _pageController.jumpToPage(index);
          setState(() => _currentPage = index);
        },
        items: <BottomBarItem>[
          BottomBarItem(
            icon: Icon(Icons.home),
            title: Text('Home'),
            activeColor: Colors.blue,
          ),
          BottomBarItem(
            icon: Icon(Icons.favorite),
            title: Text('Favorites'),
            activeColor: Colors.red,
            darkActiveColor: Colors.red.shade400, // Optional
          ),
          BottomBarItem(
            icon: Icon(Icons.person),
            title: Text('Account'),
            activeColor: Colors.greenAccent.shade700,
            darkActiveColor: Colors.greenAccent.shade400, // Optional
          ),
          BottomBarItem(
            icon: Icon(Icons.settings),
            title: Text('Settings'),
            activeColor: Colors.orange,
          ),
        ],
      ),
    );
  }

Community Support #

If you have any suggestions or issues, feel free to open an issue

If you would like to contribute, feel free to create a PR