sz_fancy_bottom_navigation 0.2.1

An animated Bottom Navigation Bar for Flutter apps, icon animates into place, colors are customisable..

example/lib/main.dart

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

import 'second_page.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.deepOrange,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  GlobalKey bottomNavigationKey = GlobalKey();

  late PageController _pageController;

  @override
  void initState() {
    super.initState();
    _pageController = PageController();
  }

  @override
  void dispose() {
    _pageController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("Fancy Bottom Navigation"),
      ),
      body: PageView(
        controller: _pageController,
        children: <Widget>[
          _getPage(0),
          _getPage(1),
          _getPage(2),
        ],
      ),
      bottomNavigationBar: FancyBottomNavigation(
          pageController: _pageController,
          tabs: [
            TabData(
                iconData: Icons.home,
                title: "Home",
                onclick: () {
                  final FancyBottomNavigationState fState = bottomNavigationKey
                      .currentState as FancyBottomNavigationState;
                  fState.setPage(2);
                }),
            TabData(
                iconData: Icons.search,
                title: "Search",
                onclick: () => Navigator.of(context).push(
                    MaterialPageRoute(builder: (context) => SecondPage()))),
            TabData(iconData: Icons.shopping_cart, title: "Basket"),
          ],
          initialSelection: 1,
          key: bottomNavigationKey,
          hidden: false,
          gradient: LinearGradient(colors: [
            Color.fromRGBO(253, 110, 106, 1),
            Color.fromRGBO(255, 198, 0, 1)
          ])),
      drawer: Drawer(
        child: ListView(
          children: <Widget>[Text("Hello"), Text("World")],
        ),
      ),
    );
  }

  _getPage(int page) {
    switch (page) {
      case 0:
        return Column(
          mainAxisSize: MainAxisSize.min,
          children: <Widget>[
            Text("This is the home page"),
            MaterialButton(
              child: Text(
                "Start new page",
                style: TextStyle(color: Colors.white),
              ),
              color: Theme.of(context).primaryColor,
              onPressed: () {
                Navigator.of(context).push(
                    MaterialPageRoute(builder: (context) => SecondPage()));
              },
            ),
            MaterialButton(
              child: Text(
                "Change to page 3",
                style: TextStyle(color: Colors.white),
              ),
              color: Theme.of(context).primaryColor,
              onPressed: () {
                final FancyBottomNavigationState fState = bottomNavigationKey
                    .currentState as FancyBottomNavigationState;
                fState.setPage(2);
              },
            )
          ],
        );
      case 1:
        return Column(
          mainAxisSize: MainAxisSize.min,
          children: <Widget>[
            Text("This is the search page"),
            MaterialButton(
              child: Text(
                "Start new page",
                style: TextStyle(color: Colors.white),
              ),
              color: Theme.of(context).primaryColor,
              onPressed: () {
                Navigator.of(context).push(
                    MaterialPageRoute(builder: (context) => SecondPage()));
              },
            )
          ],
        );
      default:
        return Column(
          mainAxisSize: MainAxisSize.min,
          children: <Widget>[
            Text("This is the basket page"),
            MaterialButton(
              child: Text(
                "Start new page",
                style: TextStyle(color: Colors.white),
              ),
              color: Theme.of(context).primaryColor,
              onPressed: () {},
            )
          ],
        );
    }
  }
}