decimal to binary converter and binary to decimal conversion app using flutter

import 'package:flutter/material.dart';
import 'package:testapp/decimal_to_binary.dart';
import './binary_to_decimal.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
      ),
      home: Converter(),
    );
  }
}

class Converter extends StatelessWidget {
  const Converter({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Converter App'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            ElevatedButton(
              onPressed: () {
                Navigator.of(context).push(
                    MaterialPageRoute(builder: (context) => BinaryToDecimal()));
              },
              child: Text(
                'Binary to Decimal Converter',
                style: TextStyle(
                  fontSize: 20,
                ),
              ),
            ),
            SizedBox(
              height: 30,
            ),
            ElevatedButton(
              onPressed: () {
                Navigator.of(context).push(
                    MaterialPageRoute(builder: (context) => DecimalToBinary()));
              },
              child: Text(
                'Decimal to Binary Converter',
                style: TextStyle(
                  fontSize: 20,
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}

import 'package:flutter/material.dart';
import 'package:flutter/src/widgets/framework.dart';
import 'package:flutter/src/widgets/placeholder.dart';
import 'package:flutter/widgets.dart';

class BinaryToDecimal extends StatefulWidget {
  const BinaryToDecimal({super.key});

  @override
  State createState() => _BinaryToDecimalState();
}

class _BinaryToDecimalState extends State {
  TextEditingController binController = TextEditingController();
  int decimalNumber = 0;
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Binary TO Decimal Converter'),
      ),
      body: Container(
        padding: EdgeInsets.all(30),
        child: Column(
          children: [
            TextField(
              controller: binController,
              decoration: InputDecoration(
                border: OutlineInputBorder(),
                labelText: 'Enter Binary Number',
              ),
            ),
            const SizedBox(
              height: 30,
            ),
            ElevatedButton(
              onPressed: () {
                setState(() {
                  decimalNumber = int.parse(binController.text, radix: 2);
                });
              },
              child: Text(
                'Convert',
                style: TextStyle(
                  fontSize: 30,
                ),
              ),
            ),
            SizedBox(
              height: 30,
            ),
            Text(
              'Decimal Number : ' + decimalNumber.toString(),
              style: TextStyle(
                fontSize: 30,
              ),
            ),
          ],
        ),
      ),
    );
  }
}

import 'package:flutter/material.dart';
import 'package:flutter/src/widgets/framework.dart';
import 'package:flutter/src/widgets/placeholder.dart';

class DecimalToBinary extends StatefulWidget {
  const DecimalToBinary({super.key});

  @override
  State createState() => _DecimalToBinaryState();
}

class _DecimalToBinaryState extends State {
  TextEditingController decController = TextEditingController();
  String binaryNumber = '000';
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Decimal TO Binary'),
      ),
      body: Container(
        padding: EdgeInsets.all(30),
        child: Column(
          children: [
            TextField(
              controller: decController,
              decoration: InputDecoration(
                border: OutlineInputBorder(),
                labelText: 'Enter Decimal Number',
              ),
            ),
            const SizedBox(
              height: 30,
            ),
            ElevatedButton(
              onPressed: () {
                setState(() {
                  binaryNumber = int.parse(decController.text).toRadixString(2);
                });
              },
              child: Text(
                'Convert',
                style: TextStyle(
                  fontSize: 30,
                ),
              ),
            ),
            SizedBox(
              height: 30,
            ),
            Text(
              'Binary : ' + binaryNumber,
              style: TextStyle(
                fontSize: 30,
              ),
            ),
          ],
        ),
      ),
    );
  }
}