inkblob_navigation_bar 0.1.1
inkblob_navigation_bar: ^0.1.1 copied to clipboard
A custom navigation bar with smooth & dynamic ink blob transition effect.
// Copyright 2022 Pepe Tiebosch (byme.dev/Jellepepe). All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/material.dart';
import 'package:inkblob_navigation_bar/inkblob_navigation_bar.dart';
import 'spiri_icons.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Inkblob Navigation Bar Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const MyHomePage(),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({Key? key}) : super(key: key);
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
late PageController _pageController;
bool _animatingPage = false;
int _selectedIndex = 0;
int _previousIndex = 0;
@override
void initState() {
super.initState();
_pageController = PageController();
}
@override
void dispose() {
_pageController.dispose();
super.dispose();
}
void _onItemTapped(int index) {
setState(() {
_animatingPage = true;
_previousIndex = _selectedIndex;
_selectedIndex = index;
_pageController
.animateToPage(
index,
duration: const Duration(milliseconds: 500),
curve: Curves.easeOut,
)
.then((value) {
_animatingPage = false;
_previousIndex = _selectedIndex;
});
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('Inkblob Navigation Bar Demo')),
body: SizedBox.expand(
child: PageView(
controller: _pageController,
onPageChanged: (index) {
if (!_animatingPage) {
setState(() {
_previousIndex = _selectedIndex;
_selectedIndex = index;
});
}
},
children: <Widget>[
Container(
color: Colors.blue,
),
Container(
color: Colors.red,
),
Container(
color: Colors.green,
),
Container(
color: Colors.yellow,
),
Container(
color: Colors.purple,
),
],
),
),
bottomNavigationBar: InkblobNavigationBar(
selectedIndex: _selectedIndex,
previousIndex: _previousIndex,
onItemSelected: _onItemTapped,
//curve: Curves.bounceOut,
//animationDuration: const Duration(milliseconds: 500),
items: <InkblobBarItem>[
InkblobBarItem(
title: const Text(
'User',
style: TextStyle(
fontWeight: FontWeight.w500,
color: Colors.blue,
),
),
filledIcon: const Icon(SpiriIcons.fi_sr_user),
emptyIcon: const Icon(SpiriIcons.fi_rr_user),
color: Colors.blue,
),
InkblobBarItem(
title: const Text(
'Cube',
style: TextStyle(fontWeight: FontWeight.w500, color: Colors.red),
),
filledIcon: Container(
decoration: BoxDecoration(
color: Colors.red,
borderRadius: BorderRadius.circular(5),
),
),
emptyIcon: Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(5),
border: Border.all(color: Colors.red, width: 2),
),
),
),
InkblobBarItem(
filledIcon: const Icon(SpiriIcons.fi_sr_home),
emptyIcon: const Icon(SpiriIcons.fi_rr_home),
color: Colors.purple,
),
InkblobBarItem(
title: const Text(
'Heart',
style: TextStyle(
fontWeight: FontWeight.w500,
color: Colors.red,
),
),
filledIcon: const Text('❤️', style: TextStyle(fontSize: 20)),
emptyIcon: const Text('🖤', style: TextStyle(fontSize: 20)),
color: Colors.red,
),
InkblobBarItem(
title: const Text(
'Message',
style: TextStyle(
fontWeight: FontWeight.w500,
color: Colors.green,
),
),
filledIcon: const Icon(SpiriIcons.fi_sr_comment),
emptyIcon: const Icon(SpiriIcons.fi_rr_comment),
color: Colors.green,
),
],
),
);
}
}