Flutter
  • Flutter Tutorials Handbook
  • 01 Flutter: Hello World
    • Related Article
  • 02 Flutter: Stateless Widgets
  • 03 Flutter: Buttons and Stateful widgets
  • 04 Flutter: Basic Navigation & Routes
    • Simple routes using StatelessWidget
    • Routes using StatefulWidget
  • 05 Flutter: Using onChanged to show input text
  • 06 Flutter: Using onSubmitted to show input text after submit
  • 07 Flutter: Adding-Deleting text in TextField
  • 08 Flutter: Tab Navigation
  • 09 Flutter: HTTP requests and Rest API
  • 10 Flutter: ListView with JSON or List Data
  • 11 Flutter: Sliding menu using a Drawer
    • Simple Drawer
    • Drawer using variables
  • 12 Flutter: Animations
  • 13 Flutter: JSON Storage
  • 14 Flutter: Friendly Chat App
  • 15 Flutter: Changing icon color onfocus
  • 16 Flutter: Horizontal ListView and Tabs
  • 17 Flutter: RaisedButton
  • 18 Flutter: RaisedButton with parameters
  • 19 Flutter: FlatButton
  • 20 Flutter: IconButton
  • 21 Flutter: Updating data in TextField
  • 22 Flutter: Checkbox
  • 23 Flutter: Radio with Functions
  • 24 Flutter: Switch
  • 25 Flutter: Slider
  • 26 Flutter: DatePicker
  • 27 Flutter: appBar
  • 28 Flutter: Floating Action Button
  • 29 Flutter: Drawer which shows Toggle Menu
  • 30 Flutter: Footer Buttons
  • 31 Flutter: BottomNavigationBar
  • 32 Flutter: Using BottomSheets
  • 33 Flutter: Using SnackBar
  • 34 Flutter: AlertDialog
  • 35 Flutter: SimpleDialog
  • 36 Flutter: Rows and Columns
  • 37 Flutter: Using Cards
  • 38 Flutter: Using Expanded
  • 39 Flutter: ListviewBuilder using Dart maps
  • 40 Flutter: ListviewBuilder using Dart lists
  • 41 Flutter: Using Custom Widgets
  • 42 Flutter: Using Image Assets
  • 43 Flutter: ListviewBuilder with Refresh Indicator
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08 Flutter: Tab Navigation

main.dart
import 'package:flutter/material.dart';
import './FirstPage.dart' as first;
import './SecondPage.dart' as second;
import './ThirdPage.dart' as third;

void main() {
  runApp(new MaterialApp(
    home: new MyTabs()
  ));
}

class MyTabs extends StatefulWidget{
  @override
  MyTabsState createState() => new MyTabsState();
}

class MyTabsState extends State<MyTabs> with SingleTickerProviderStateMixin{
  
  TabController controller;

  @override
  void initState(){
    super.initState();
    controller = new TabController(vsync: this, length: 3);
  }

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

  @override
  Widget build(BuildContext context){
    return new Scaffold(
      appBar: new AppBar(title: new Text("Pages"), backgroundColor: Colors.deepOrange,
      bottom: new TabBar(
          controller: controller,
          tabs: <Tab>[
            new Tab(icon: new Icon(Icons.arrow_forward)),
            new Tab(icon: new Icon(Icons.arrow_downward)),
            new Tab(icon: new Icon(Icons.arrow_back))
          ]
        )
      ),
      bottomNavigationBar: new Material(
        color: Colors.deepOrange,
        child: new TabBar(
          controller: controller,
          tabs: <Tab>[
            new Tab(icon: new Icon(Icons.arrow_forward)),
            new Tab(icon: new Icon(Icons.arrow_downward)),
            new Tab(icon: new Icon(Icons.arrow_back))
          ]
        )
      ),
      body: new TabBarView(
        controller: controller,
        children: <Widget>[
          new first.First(),
          new second.Second(),
          new third.Third()
        ]
      )
    );
  }
}
FirstPage.dart
import 'package:flutter/material.dart';

class First extends StatelessWidget {

  @override
  Widget build(BuildContext context){
    return new Container(
      child: new Center(
        child: new Icon(Icons.accessibility_new, size: 150.0, color: Colors.brown)
      )
    );
  }
}
SecondPage.dart
import 'package:flutter/material.dart';

class Second extends StatelessWidget {

  @override
  Widget build(BuildContext context){
    return new Container(
      child: new Center(
        child: new Icon(Icons.favorite, size: 150.0, color: Colors.red)
      )
    );
  }
}
ThirdPage.dart
import 'package:flutter/material.dart';

class Third extends StatelessWidget {

  @override
  Widget build(BuildContext context){
    return new Container(
      child: new Center(
        child: new Icon(Icons.local_pizza, size: 150.0, color: Colors.teal)
      )
    );
  }
}
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Last updated 6 years ago