wingkit-leung

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

void main() =>
    runApp(const ProviderScope(child: MaterialApp(home: HomePage())));

Future<int> calculateSquare(int num) async {
  await Future.delayed(const Duration(seconds: 2));
  return num * num;
}

wingkit-leung

// CopsOnRoad https://stackoverflow.com/questions/50844519/flutter-streambuilder-vs-futurebuilder

import 'package:flutter/material.dart';

void main() => runApp(const MaterialApp(home: HomePage()));

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

  @override

wingkit-leung

import 'package:flutter/material.dart';
import 'package:flutter_app_badger/flutter_app_badger.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:badges/badges.dart';

// A CustomCounter example implemented with riverpod and shared_preferences
// using StateNotifier
// using Badges

wingkit-leung

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';

// A CustomCounter example implemented with riverpod and shared_preferences
// using StateNotifier

class CustomCounter {
  final int value;
  final DateTime dateTime;

wingkit-leung

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';

// A Counter example implemented with riverpod and shared_preferences

/// Providers are declared globally and specify how to create a state
final counterProvider = StateProvider((ref) => 0);

final sharedPrefs = Provider<SharedPreferences>((ref) {

wingkit-leung

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

// A Counter example implemented with riverpod

void main() {
  runApp(
    // Adding ProviderScope enables Riverpod for the entire project
    const ProviderScope(child: MyApp()),
  );