Flutter Switch Example Tutorial

Hi friends,

This tutorial is focused on Flutter Switch Example Tutorial. This article goes in detailed on Flutter Switch Tutorial. you can understand a concept of A Short Tutorial on How to Develop a Switch button in Flutter. We will use How to customize the switch button in a flutter.

you can see How to use the toggle button in Flutter?

I will give you simple Example of How to make the toggle 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_switch_tutorial   

Navigate to the project directory:

$cd flutter_switch_tutorial   

Step 2: Main File

Create a main.dart file in the lib directory

import 'package:flutter/material.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
        return MaterialApp(
            home: Scaffold(
                appBar: AppBar(
                    backgroundColor: Colors.blue,
                    title: Text("Flutter Switch Tutorial"),
                ),
                body: Center(
                    child: SwitchScreen()
                ),
            )
        );
    }
}
class SwitchScreen extends StatefulWidget {
    @override
    SwitchClass createState() => new SwitchClass();
}
class SwitchClass extends State {
    bool isSwitched = false;
    var textValue = 'Switch OFF';
    void toggleSwitch(bool value) {
        if(isSwitched == false)
        {
            setState (() {
                isSwitched = true;
                textValue = 'Switch ON';
            });
        }
        else
        {
            setState (() {
                isSwitched = false;
                textValue = 'Switch OFF';
            });
        }
    }
    @override
    Widget build(BuildContext context) {
        return Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children:[ Transform.scale(
                scale: 2,
                child: Switch(
                    onChanged: toggleSwitch,
                    value: isSwitched,
                    activeColor: Colors.blue,
                    activeTrackColor: Colors.green,
                    inactiveThumbColor: Colors.pinkAccent,
                    inactiveTrackColor: Colors.orange,
                )
            ),
                Text( '$textValue' , style: TextStyle(fontSize:  20 ),)
            ]
        );
    }
}

Run this Debug App

Output :

I hope it will help you....