colored_tab_bar 0.0.1 colored_tab_bar: ^0.0.1 copied to clipboard
A custom TabBar where you can control the color behind the Tabs
import 'package:flutter/material.dart';
import 'package:colored_tab_bar/colored_tab_bar.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: MyHomePage(title: 'Flutter Demo Home Page'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> with TickerProviderStateMixin{
int _counter = 0;
List<Color> colors = [Colors.blue, Colors.red, Colors.yellow, Colors.green];
TabBar _tabBar;
Color get _tabBarColor => colors[_counter % 4];
void _incrementCounter() {
setState(() {
_counter++;
});
}
@override
void initState() {
_tabBar = TabBar(
tabs: <Widget>[Tab(text: "Tab 1"), Tab(text: "Tab 2")],
controller: TabController(length: 2, vsync: this),
);
super.initState();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
bottom: ColoredTabBar(
color: _tabBarColor,
tabBar: _tabBar,
),
title: Text(widget.title),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
'You have pushed the button this many times:',
),
Text(
'$_counter',
style: Theme.of(context).textTheme.display1,
),
],
),
),
floatingActionButton: FloatingActionButton(
backgroundColor: _tabBarColor,
onPressed: _incrementCounter,
tooltip: 'Increment',
child: Icon(Icons.add),
),
);
}
}