Learning Mobile Development

Flutter Scratch Card Game Development: Unveiling Hidden Prizes

Building basic component for your Flutter App

scratcher in flutter

Building a Scratch Card Game in Flutter:

Flutter is a versatile and powerful framework for creating cross-platform mobile applications. It provides a wide range of tools and widgets that make it easy to develop engaging and interactive apps. In this tutorial, we’ll explore how to create a scratch card game in Flutter from scratch.

Getting Started

Let’s start by creating a new Flutter project:

Adding Dependencies:

We’ll need to add a package that allows us to create scratch cards in Flutter. For this tutorial, we’ll use the `scratcher` package. Add it to your `pubspec.yaml` file under the `dependencies` section:

dependencies:
  scratcher: ^2.3.0

scratcher | Flutter Package

Then, run `flutter pub get` to fetch the package.

Import it

Now in you’re Dart code, you can use:

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

Designing the Scratch Card

Now, let’s design the scratch card interface. We’ll create a scratch card that covers a hidden image. When the user interacts with the screen, they can scratch off the card to reveal the underlying image.

Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Text(
                'Scratch to reveal the hidden image!',
                style: TextStyle(fontSize: 20),
              ),
              SizedBox(height: 20),
              Scratcher(
                brushSize: 30,
                threshold: 50,
                color: Colors.blue,
                child: Container(
                  width: 300,
                  height: 300,
                  color: Colors.grey,
                  child: Image.asset('assets/hidden_image.png'),
                ),
              ),
            ],
          ),
        ),

FullCode:

GitHub - arunpradhan28/scratcher_example

This code introduces several new features compared to the basic scratch card example:

1. Randomized Winning: We use a Random object to randomly determine whether the user wins a prize when they scratch off the card. In this example, there's a 50% chance of winning (you can adjust this probability as needed).
2. Prize Display: If the user wins a prize, we display a congratulatory message and the prize image. Make sure to replace 'assets/prize_image.png' with the path to your prize image. Similar to the hidden image, add the prize image to your project's assets directory and update the pubspec.yaml file accordingly.
3. Reset Button: We’ve added a reset button to allow the user to start a new game after they’ve scratched off the card.

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