MapEntry Demo

main.dart

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  final List<MapEntry> colors = [
    MapEntry("yellow", Colors.yellow),
    MapEntry("blue", Colors.blue),
    MapEntry("red", Colors.red),
    MapEntry("green", Colors.green),
    MapEntry("purple", Colors.purple),
  ];

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: ListView(
          children: <Widget>[
            Padding(
              padding: EdgeInsets.all(20.0),
              child: Text("Colors"),
            ),
            Column(
              children: colors.map((color) {
                return Container(
                  color: color.value,
                  child: ListTile(
                    contentPadding: EdgeInsets.all(20),
                    title: Text(color.key),
                  ),
                );
              }).toList(),
            ),
          ],
        ),
      ),
    );
  }
}