fancy_bottom_navigation 0.2.0

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

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:fancy_bottom_navigation/fancy_bottom_navigation.dart';
import 'package:example/second_page.dart';

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

final RouteObserver<PageRoute> routeObserver = new RouteObserver<PageRoute>();

class MyApp extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.deepOrange,
      ),
      home: MyHomePage(),
      navigatorObservers: [routeObserver],
    );
  }
}

class MyHomePage extends StatefulWidget {

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

class _MyHomePageState extends State<MyHomePage> {
  int currentPage = 0;

  GlobalKey bottomNavigationKey = GlobalKey();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("Fancy Bottom Navigation"),
      ),
      body: Container(
        decoration: BoxDecoration(color: Colors.white),
        child: Center(
          child: _getPage(currentPage),
        ),
      ),
      bottomNavigationBar: FancyBottomNavigation(
        tabs: [
          TabData(iconData: Icons.home, title: "Home"),
          TabData(iconData: Icons.search, title: "Search"),
          TabData(iconData: Icons.shopping_cart, title: "Basket")
        ],
        key: bottomNavigationKey,
        routeObserver: routeObserver,
        onTabChangedListener: (position) {
          setState(() {
            currentPage = position;
          });
        },
      ),
    );
  }

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

            },)
          ],
        );
    }
  }
}