persistent_bottom_nav_bar 1.0.6+1

A DO ALL persistent bottom navigation bar for flutter. It includes a total of 8 nav bar styles in addition to being optionally platform specific.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:persistent_bottom_nav_bar/persistent-tab-view.dart';
import 'screens.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Persistent Bottom Navigation Bar example project',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key}) : super(key: key);

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  PersistentTabController _controller;

  @override
  void initState() {
    super.initState();
    _controller = PersistentTabController(initialIndex: 0);
  }

  List<Widget> _buildScreens() {
    return [HomeScreen(), SettingsScreen()];
  }

  List<PersistentBottomNavBarItem> _navBarsItems() {
    return [
      PersistentBottomNavBarItem(
        icon: Icon(CupertinoIcons.home),
        title: ("Home"),
        activeColor: CupertinoColors.activeBlue,
        inactiveColor: CupertinoColors.systemGrey,
      ),
      PersistentBottomNavBarItem(
        icon: Icon(CupertinoIcons.settings),
        title: ("Settings"),
        activeColor: CupertinoColors.activeBlue,
        inactiveColor: CupertinoColors.systemGrey,
      ),
    ];
  }

  @override
  Widget build(BuildContext context) {
    return PersistentTabView(
      controller: _controller,
      items: _navBarsItems(),
      screens: _buildScreens(),
      showElevation: true,
      isCurved: true,
      iconSize: 26.0,
      navBarStyle:
          NavBarStyle.style1, // Choose the nav bar style with this property
      onItemSelected: (index) {
        print(index);
      },
    );
  }
}