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    return Scaffold(
      body: Center(
        child: AnimatedContainer(
          duration: const Duration(seconds: 1),
          width: _toggled ? 200 : 100,
          height: _toggled ? 200 : 100,
          decoration: BoxDecoration(
            color: _toggled ? Colors.blue : Colors.red,
            borderRadius: BorderRadius.circular(_toggled ? 20 : 0),
          ),

sgruhier

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

// A simple counter class with immutable state
class Counter {
  final int value;
  Counter(this.value);

  // Method to return a new instance with an incremented value
  Counter copyWith({int? value}) {

sgruhier

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

// A simple counter class with mutable state
class Counter {
  int value;
  Counter(this.value);
}

// Creating a StateNotifier for the counter

sgruhier

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

// Define the FutureProvider for fetching data
final dataProvider = FutureProvider<String>((ref) async {
  await Future.delayed(Duration(seconds: 2)); // Simulate network delay
  return 'Hello, World!';
});

void main() {

sgruhier

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

// Define the StateProvider for the counter
final counterProvider = StateProvider<int>((ref) => 0);

void main() {
  runApp(
    ProviderScope(
      child: MyApp(),

sgruhier

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


class ThemeNotifier extends StateNotifier<ThemeData> {
  ThemeNotifier() : super(ThemeData.light());

  bool isLight() {
    return state == ThemeData.light();
  }

sgruhier

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

void main() {
  runApp(const ProviderScope(child: MyApp()));
}

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

sgruhier

import 'dart:math';

import 'package:flutter/material.dart';

void main() {
  runApp(MaterialApp(
    home: Scaffold(
      appBar: AppBar(
        title: const Text('Custom Paint Animation'),
      ),

sgruhier

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

class DraggableSquare extends StatefulWidget {
  const DraggableSquare({super.key});
  @override
  State<DraggableSquare> createState() => _DraggableSquareState();
}

class _DraggableSquareState extends State<DraggableSquare> with SingleTickerProviderStateMixin {

sgruhier

// MIT License
//
// Copyright (c) 2019 Simon Lightfoot
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions: