Flutter QR Generator

dependencies :

           //depencies 

           qr_flutter: ^4.1.0

           qr_flutter:

          // url of qr flutter 

           git:

           url: https://github.com/theyakka/qr.flutter.git

import 'package:flutter/material.dart';

import 'package:qr_flutter/qr_flutter.dart';

void main() {

return runApp(

MaterialApp(

home: Scaffold(

backgroundColor: Colors.white,

appBar: AppBar(

centerTitle: true,

title: const Text('Candidroot solutions',

style: TextStyle(

color: Colors.blue,),),

backgroundColor: Colors.white),

body: const DicePage(),

), //Scaffold

), //Material App

);

}

class DicePage extends StatefulWidget {

const DicePage({Key? key}) : super(key: key);

@override

// ignore: library_private_types_in_public_api

_DicePageState createState() => _DicePageState();

}

class _DicePageState extends State<DicePage> {

final TextEditingController _controller = TextEditingController();

@override

Widget build(BuildContext context) {

return Center(

child: Column(

children: <Widget>[

Padding(

padding: EdgeInsets.all(15),

child: TextField(

controller: _controller,

decoration: InputDecoration(

border: OutlineInputBorder(),

labelText: 'Qr code or name',

hintText: 'Qr code or name',

))

),

Padding(

padding: EdgeInsets.all(15),

child: ElevatedButton(

child: Text('Submit', style: TextStyle(fontSize: 20.0),),

onPressed: () {

},

),

),

Padding(

padding: EdgeInsets.all(15),

child: TextButton(

child: Container(

color: Colors.white,

padding: const EdgeInsets.all(14),

child: QrImageView(

data: _controller.value.text,

version: QrVersions.auto,

size: 200.0,

),

),

onPressed: () {

_controller.value = _controller.value;

print("submit"+_controller.value.text);

},

),

),//Expanded

], //<Widget>

), //Row

); //center

}

}