class HomeScreen extends StatefulWidget {
  const HomeScreen({Key key}) : super(key: key);

  @override
  _HomeScreenState createState() => _HomeScreenState();
}

class _HomeScreenState extends State<HomeScreen> {
  @override
  Widget build(BuildContext context) {
    return Container(
      color: Colors.white,
      child: ListView(
        children: [
          Container(
            height: 150,
          ),
          SizedBox.fromSize(
            size: const Size(100, 100.1),
            child: Container(
              color: Colors.black,
              child: FlutterLogo(), // force raster caching
            ),
          ),
        ],
      ),
    );
  }
}