import 'package:flutter/material.dart';
import 'package:window_manager/window_manager.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await windowManager.ensureInitialized();
  WindowOptions windowOptions = const WindowOptions(
    fullScreen: true,
    titleBarStyle: TitleBarStyle.hidden,
    alwaysOnTop: false,
  );
  windowManager.waitUntilReadyToShow(windowOptions, () async {
    await windowManager.show();
    await windowManager.focus();
  });
  runApp(const TestApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
        home: Scaffold(
            body: Center(
      child: TextButton(
          onPressed: () {
            windowManager.setFullScreen(false);
          },
          child: Text("Click me")),
    )));
  }
}