Untitled

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Transparent Background'),
        ),
        body: Container(
          color: Colors.transparent, // Set the background color to transparent
          child: Center(
            child: Text(
              'Hello, World!',
              style: TextStyle(fontSize: 24, color: Colors.black),
            ),
          ),
        ),
      ),
    );
  }
}