flutter tab bar code example

Example 1: tabs flutter example

DefaultTabController(
  length: 3,
  child: Scaffold(
    appBar: AppBar(
      bottom: TabBar(
        tabs: [
          Tab(icon: Icon(Icons.directions_car)),
          Tab(icon: Icon(Icons.directions_transit)),
          Tab(icon: Icon(Icons.directions_bike)),
        ],
      ),
    ),
  ),
);

Example 2: tab design in flutter

DefaultTabController(      length: 3,      child: Scaffold(        appBar: AppBar(          backgroundColor: Colors.white,          elevation: 0,          bottom: TabBar(              unselectedLabelColor: Colors.redAccent,              indicatorSize: TabBarIndicatorSize.label,              indicator: BoxDecoration(                  borderRadius: BorderRadius.circular(50),                  color: Colors.redAccent),              tabs: [                Tab(                  child: Container(                    decoration: BoxDecoration(                        borderRadius: BorderRadius.circular(50),                        border: Border.all(color: Colors.redAccent, width: 1)),                    child: Align(                      alignment: Alignment.center,                      child: Text("APPS"),                    ),                  ),                ),                Tab(                  child: Container(                    decoration: BoxDecoration(                        borderRadius: BorderRadius.circular(50),                        border: Border.all(color: Colors.redAccent, width: 1)),                    child: Align(                      alignment: Alignment.center,                      child: Text("MOVIES"),                    ),                  ),                ),                Tab(                  child: Container(                    decoration: BoxDecoration(                        borderRadius: BorderRadius.circular(50),                        border: Border.all(color: Colors.redAccent, width: 1)),                    child: Align(                      alignment: Alignment.center,                      child: Text("GAMES"),                    ),                  ),                ),              ]),        ),        body: TabBarView(children: [          Icon(Icons.apps),          Icon(Icons.movie),          Icon(Icons.games),        ]),      ))

Example 3: flutter tab

import 'package:flutter/material.dart';

void main() {
  runApp(TabBarDemo());
}

class TabBarDemo extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: DefaultTabController(
        length: 3,
        child: Scaffold(
          appBar: AppBar(
            bottom: TabBar(
              tabs: [
                Tab(icon: Icon(Icons.directions_car)),
                Tab(icon: Icon(Icons.directions_transit)),
                Tab(icon: Icon(Icons.directions_bike)),
              ],
            ),
            title: Text('Tabs Demo'),
          ),
          body: TabBarView(
            children: [
              Icon(Icons.directions_car),
              Icon(Icons.directions_transit),
              Icon(Icons.directions_bike),
            ],
          ),
        ),
      ),
    );
  }
}

Example 4: flutter tab bar bottom bar

int _selectedIndex = 0;
static const TextStyle optionStyle = TextStyle(fontSize: 30, fontWeight: FontWeight.bold);
static const List<Widget> _widgetOptions = <Widget>[
  Text(
    'Index 0: Home',
    style: optionStyle,
  ),
  Text(
     'Index 1: Business',
     style: optionStyle,
  ),
  Text(
     'Index 2: School',
     style: optionStyle,
  ),
];

void _onItemTapped(int index) {
  setState(() {
    _selectedIndex = index;
  });
}

@override
Widget build(BuildContext context) {
  return Scaffold(
    appBar: AppBar(
      title: const Text('BottomNavigationBar Sample'),
    ),
    body: Center(
      child: _widgetOptions.elementAt(_selectedIndex),
    ),
    bottomNavigationBar: BottomNavigationBar(
      items: const <BottomNavigationBarItem>[
        BottomNavigationBarItem(
          icon: Icon(Icons.home),
          label: 'Home',
        ),
        BottomNavigationBarItem(
          icon: Icon(Icons.business),
          label: 'Business',
        ),
        BottomNavigationBarItem(
          icon: Icon(Icons.school),
          label: 'School',
        ),
      ],
      currentIndex: _selectedIndex,
      selectedItemColor: Colors.amber[800],
      onTap: _onItemTapped,
    ),
  );
}

Example 5: tabbar flutter

indicatorSize

Example 6: tab design in flutter

DefaultTabController(        length: 3,        child: Scaffold(          appBar: AppBar(            backgroundColor: Colors.white,            elevation: 0,            bottom: TabBar(                unselectedLabelColor: Colors.redAccent,                indicatorSize: TabBarIndicatorSize.tab,                indicator: BoxDecoration(                    gradient: LinearGradient(                        colors: [Colors.redAccent, Colors.orangeAccent]),                    borderRadius: BorderRadius.circular(50),                    color: Colors.redAccent),                tabs: [                  Tab(                    child: Align(                      alignment: Alignment.center,                      child: Text("APPS"),                    ),                  ),                  Tab(                    child: Align(                      alignment: Alignment.center,                      child: Text("MOVIES"),                    ),                  ),                  Tab(                    child: Align(                      alignment: Alignment.center,                      child: Text("GAMES"),                    ),                  ),                ]),          ),          body: TabBarView(children: [            Icon(Icons.apps),            Icon(Icons.movie),            Icon(Icons.games),          ]),        )     )