How to Tab Screen Demo in Flutter?

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Hi friends,

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I will give you simple Example of How to create a tab bar at center of the screen in flutter?.

So let's see bellow example:

Step 1 : Create Flutter Project

Follow along with the setup, you will be creating an Flutter app.

$flutter create flutter_tab_screen_example

Navigate to the project directory:

$cd flutter_tab_screen_example

Step 2 : FirstScreen File

Create a FirstScreen.dart file in the lib directory

import'package:flutter/material.dart';
class FirstScreen extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
        return Container(
            child: Center(
                child: Text('It is a First screen of tab, /',
                    style: TextStyle(fontSize:  32.0, color: Colors.blue ),
                ),
            ),
        );
    }
}

Step 3 : SecondScreen File

Create a SecondScreen.dart file in the lib directory

import 'package:flutter/material.dart';
class SecondScreen extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
        return Container(
            child: Center(
                child: Text('It is a Second screen of tab, /',
                    style: TextStyle(fontSize:  32.0, color: Colors.blue ),
                )
            ),
        );
    }
}

Step 4 : Main Dart File

Create a main.dart file in the lib directory

import 'package:flutter/material.dart';
import './FirstScreen.dart';
import './SecondScreen.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
        return MaterialApp(
            home: DefaultTabController(
                length: 2,
                child: Scaffold(
                    appBar: AppBar(
                        title: Text('Flutter Tabs Screen Demo'),
                        bottom: TabBar (
                            tabs: [
                                Tab(icon: Icon(Icons.square), text: "Tab 1"),
                                Tab(icon: Icon(Icons.camera_alt), text: "Tab 2")
                            ],
                        ),
                    ),
                    body: TabBarView(
                        children: [
                            FirstScreen(),
                            SecondScreen(),
                        ],
                    ),
                ),
            ),
        );
    }
}

Step 5 : Run this Debug App

Output

I hope it will help you....