responsive_navigation_bar 3.2.8+1

A responsive bottom navigation bar. Very beginner friendly. Feel free to contribute.

example/lib/main.dart

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

void main() => runApp(const MyApp());

///
class MyApp extends StatefulWidget {
  ///
  const MyApp({Key? key}) : super(key: key);

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  int _selectedIndex = 0;

  void changeTab(int index) {
    setState(() {
      _selectedIndex = index;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        // extendBody: true,
        bottomNavigationBar: ResponsiveNavigationBar(
          selectedIndex: _selectedIndex,
          onTabChange: changeTab,
          // showActiveButtonText: false,
          textStyle: const TextStyle(
            color: Colors.white,
            fontWeight: FontWeight.bold,
          ),
          navigationBarButtons: const <NavigationBarButton>[
            NavigationBarButton(
              text: 'Tab 1',
              icon: Icons.people,
              backgroundGradient: LinearGradient(
                colors: [Colors.yellow, Colors.green, Colors.blue],
              ),
            ),
            NavigationBarButton(
              text: 'Tab 2',
              icon: Icons.star,
              backgroundGradient: LinearGradient(
                colors: [Colors.cyan, Colors.teal],
              ),
            ),
            NavigationBarButton(
              text: 'Tab 3',
              icon: Icons.settings,
              backgroundGradient: LinearGradient(
                colors: [Colors.green, Colors.yellow],
              ),
            ),
          ],
        ),
      ),
    );
  }
}