app_widget.dart

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

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Responsive Flutter UI App',
      home: ResponsiveLayout(
        mobileLayout: MobileChatsPage(),
        desktopLayout: DesktopChatsPage(),
      ),
    );
  }
}