Sandfone

import 'dart:async';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';

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

Sandfone

// FROM: https://github.com/flutter/flutter/issues/20608

import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';

class EndlessListExampleApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    Key forwardListKey = UniqueKey();