Glass One NavBar

A modern, highly customizable, and elegant Glassmorphism navigation bar for Flutter. Designed to be lightweight, adaptive, and visually stunning with smooth liquid-growth animations.

✨ Features

• Glassmorphism Design: High-quality blur effects using BackdropFilter.
• Adaptive Bubbles: Selection "pills" that automatically adapt to text length (supports 1 or 2 lines).
• Smooth Animations: Elastic liquid-growth effect for selection and scale transitions.
• Highly Customizable: Control everything from blur intensity and border width to custom gradients and colors.
• Accessibility Ready: Integrated Semantics and Tooltips for a better user experience.
• Theme Aware: Easily adapts to Light and Dark modes.

📸 Screenshots

Light Mode	Dark Mode	Custom Styling

🎬 Animation Demo

🚀 Getting Started

Add the package to your pubspec.yaml:

dependencies:
  glass_one_nav_bar: ^1.0.0

Import the library:

import 'package:glass_one_nav_bar/glass_one_nav_bar.dart';

🛠️ Usage

Basic Implementation

GlassOneNavBar(
  currentIndex: _selectedIndex,
  onTap: (index) => setState(() => _selectedIndex = index),
  items: [
    GlassOneNavItem(
      icon: Icons.home_outlined,
      activeIcon: Icons.home_rounded,
      label: 'Home',
    ),
    GlassOneNavItem(
      icon: Icons.explore_outlined,
      activeIcon: Icons.explore_rounded,
      label: 'Explore',
    ),
    GlassOneNavItem(
      icon: Icons.settings_outlined,
      activeIcon: Icons.settings_rounded,
      label: 'Settings',
    ),
  ],
)

Advanced Customization

Use GlassOneStyle to fine-tune the look and feel:

GlassOneNavBar(
  currentIndex: _selectedIndex,
  onTap: _onTap,
  items: [...],
  style: GlassOneStyle(
    height: 80.0,
    blurSigma: 15.0,
    borderRadius: 32.0,
    activeColor: Colors.deepPurple,
    inactiveColor: Colors.grey,
    borderWidth: 0.5,
    showLabels: true,
    itemPadding: EdgeInsets.symmetric(vertical: 8, horizontal: 12),
  ),
)

🎨 Customization Options (GlassOneStyle)

Property	Description	Default
height	Height of the navigation bar	72.0
borderRadius	Corner radius of the glass container	28.0
blurSigma	Intensity of the blur effect	10.0
itemPadding	Internal padding for the selection pill	symmetric(v:8, h:0)
activeColor	Color for selected icons/labels/pills	Theme primary
inactiveColor	Color for unselected items	Theme onSurfaceVariant
showLabels	Whether to display text labels	true
iconSize	Size of the icons	24.0
enableHaptics	Trigger haptic feedback on tap	true

🧪 Testing

The library is built with reliability in mind, achieving >90% code coverage. You can run tests locally using:

flutter test --coverage

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

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Made with ❤️ by Andrei Lazar