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

class MyApp extends StatelessWidget {
  const MyApp({Key key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Home(),
      showPerformanceOverlay: true,
    );
  }
}

class Home extends StatelessWidget {
  bool useMediaQueryOf = false;

  @override
  Widget build(BuildContext context) {
    if (useMediaQueryOf) {
      print(MediaQuery.of(context).padding);
    } else {
      print(MediaQuery.paddingOf(context));
    }

    return Scaffold(
      appBar: AppBar(),
      body: ListView.builder(
        itemBuilder: (_, ndx) {
          return TextField();
        },
      ),
    );
  }
}