SuperPenguin

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

///This emulates a server that counts the number of times it has been called.
class CountServerService {
  int _counter = 0;
  Future<int> getCallCount() =>
      Future<int>.delayed(const Duration(seconds: 1), () async {
        _counter++;
        return _counter;

SuperPenguin

import 'package:flutter/material.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();

  runApp(const App());
}

class App extends StatelessWidget {
  const App({Key? key}) : super(key: key);

SuperPenguin

import 'dart:convert';

void main() {
  final obj = jsonDecode(jsonString) as List<dynamic>;

  final pingpong = obj //
      .map((e) => PingResponse.fromJson(e as Map<String, dynamic>))
      .toList();

  for (final p in pingpong) {

SuperPenguin

import 'package:flutter/material.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();

  runApp(const App());
}

class App extends StatelessWidget {
  const App({super.key});

SuperPenguin

import 'package:flutter/material.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();

  runApp(const App());
}

class App extends StatelessWidget {
  const App({Key? key}) : super(key: key);

SuperPenguin

import 'package:flutter/material.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  runApp(const App());
}

class App extends StatelessWidget {
  const App({Key? key}) : super(key: key);

SuperPenguin

import 'package:flutter/material.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();

  runApp(const App());
}

class App extends StatefulWidget {
  const App({Key? key}) : super(key: key);

SuperPenguin

import 'dart:math';

import 'package:flutter/material.dart';

@immutable
class ExpandableFab extends StatefulWidget {
  const ExpandableFab({
    super.key,
    this.initialOpen,
    this.distance,

SuperPenguin

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(

SuperPenguin

import 'dart:async';

import 'package:flutter/material.dart';

Future<T> showLoading<T>({
  required BuildContext context,
  required Future<T> future,
  String? message,
}) {
  final completer = Completer<T>();