Flutter-Sudoku

Play Online

Downloads

This is a fully fledged Sudoku game written in Dart using Flutter.

It can be exported to Android, iOS, Fuchsia, Windows, Linux, MacOS, PWA or a Web App.

Installation & Usage:

• Can be played online in the browser. See Play Online
• Can be installed as a Progressive Web App on any platform. See Use Progressive Web Apps
• Can be installed as an Android app. See Downloads

Building:

Requirements:

• Flutter
• For Exporting to Android:
  • Android Studio 3.0+ / IntelliJ IDEA 2017.1+ with Flutter Plugin and Dart Plugin (recommeded)
  • Android SDK from Android Studio or IntelliJ IDEA (API Level 30 recommended)
  • Java SE JDK (v8 recommended)
  • Gradle
  • Set ANDROID_HOME and ANDROID_SDK_ROOT variables
  • Add JDK to PATH
• For Exporting to Web:
  • Set current working directory to sudoku
  • Run these commands: flutter config --enable-web
• For Exporting to Windows:
  • Set current working directory to sudoku
  • Run these commands: flutter config --enable-windows-desktop

Installing required packages

1. Clone this repository
2. Set current working directory to sudoku
3. Run these commands:flutter pub get flutter pub upgrade flutter pub outdated

• This will install all the required packages

1. Run flutter doctor to check fo any issues (Optional)

Steps for exporting to a PWA or Web App

1. Set current working directory to sudoku
2. Run flutter build web --release

• This will compile the program and store the files in the sudoku/build/web directory
• You can run a simple http server in this directory to run your app in the browser
• dhttpd is a Dart package for running a simple http server

Steps for exporting to Windows

1. Set current working directory to sudoku
2. Run flutter build windows --release

• This will compile the program and store the files in the sudoku/build/windows/runner/Release directory
• It will export a release build that can be run directly

Steps for exporting to Android

1. Set current working directory to sudoku
2. To export as an Android app run:flutter build apk to build a fat APK for all ABIsORflutter build apk --target-platform android-arm,android-arm64,android-x64 --split-per-abi to build multiple APKs for every ABI

• This will export a release build of the apk file signed with debug keys which can be installed on an Android phone or emulator
• The APK file/s will be saved in sudoku/build/app/outputs/flutter-apk
• Minimum Android Version Required : Android 4.1.x Jellybean (API Level 16)

Features:

• Uses a combination of a Sudoku generation and solving algorithm to create a unique game
• Generates a New Game when you start the app
• Clicking a box displays a dialog with buttons 1-9 to input in the box
• Clickable buttons will initially have no number and will turn red after the first click
• After completely solving the grid, if the solution is correct it will alert you that you successfully solved the Sudoku
• The numbers in all the clickable buttons will turn blue if the solution is correct (This will also happen if you click Show Solution)
• 4 different difficulty levels to choose from :
  • Beginner – 18 empty squares
  • Easy – 27 empty squares
  • Medium – 36 empty squares
  • Hard – 54 empty squares
• New Game
• Restart Game
• Show Solution
• Dark and Light theme
• Material Design

Note:

• flutter_animated_dialog is used for animated alert dialogs
• shared_preferences is used for saving preferences locally
• splashscreen is used for the splashscreen
• url_launcher is used for hyperlinks
• Referred Algorithms:
  • Sudoku Generation Algorithm in Java
  • Sudoku Generation and Solving Algorithm in Python
• Untested on iOS, MacOS, Linux and Fuchsia. Additional chnages might be required to work correctly
• If you face any issue or have suggestions then feel free to open an issue on GitHub

Screenshots:

• Main Screen while solved with dark theme:
  
  
  
  
• Main Screen while solving with light theme:
  
  
  
  
• Choose Number Alert:
  
  
  
  
• Game Over Alert Box:
  
  
• Options:
  
  

Download Sudoku game source code on GitHub

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