import 'package:flutter/material.dart';

class FriendItem {
  final String name;
  final Widget place;

  FriendItem(this.name, this.place);

  Widget buildTitle(BuildContext context) {
    return Text(name);
  }

  Widget returnIcon(BuildContext context) {
    return place;
  }
}

class ListViewController extends StatelessWidget {
  ListViewController({
    Key? key,
  }) : super(key: key);

  final friends = List<FriendItem>.generate(
      100,
      (i) => i % 2 == 0
          ? FriendItem('Person $i', const Icon(Icons.home))
          : FriendItem('Person $i', const Icon(Icons.business_center)));

  @override
  Widget build(BuildContext context) {
    return Expanded(
      child: ListView.builder(
        itemCount: friends.length,
        itemBuilder: (context, index) {
          return ListTile(
              leading: friends[index].place,
              title: friends[index].buildTitle(context));
        },
      ),
    );
  }
}