Some tasty fruit

main.dart

import 'package:flutter/material.dart';

enum Fruit {
  apple,
  orange,
  banana,
}

extension FruitExt on Fruit {
  Color get color {
    switch (this) {
      case Fruit.apple:
        return Colors.red;
      case Fruit.orange:
        return Colors.orange;
      case Fruit.banana:
        return Colors.yellow;
      default:
        return Colors.red;
    }
  }

  String get name {
    switch (this) {
      case Fruit.apple:
        return "Apple";
      case Fruit.orange:
        return "Orange";
      case Fruit.banana:
        return "Banana";
      default:
        return "Apple";
    }
  }
}

final Color darkBlue = Color.fromARGB(255, 18, 32, 47);

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.dark().copyWith(scaffoldBackgroundColor: darkBlue),
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: ListView.builder(
          itemCount: Fruit.values.length,
          itemBuilder: (context, index) {
            final fruit = Fruit.values[index];
            return ListTile(
              title: Text(
                fruit.name,
                style: TextStyle(color: fruit.color),
              ),
            );
          },
        ),
      ),
    );
  }
}