sample_widget.dart

class MyGreatestWidget extends StatelessWidget {
  const MyGreatestWidget({
    Key? key,
    required this.onPressed,
  }) : super(key: key);

  final ValueCallback<String> onPressed;

  @override
  Widget build(BuildContext context) {
    final fruits = ['apple', 'banana', 'orange'];
    return ListView(
      children: fruits.map((fruit) {
        return ListTile(
          onTap: () => onPressed(fruit),
          leading: const Icon(Icons.favorite_border),
          title: Text(fruit),
        );
      }).toList(),
    );
  }
}