GoL Screensaver is an app that generates and updates screensavers for Onyx Boox using Conway's Game of Life algorithm. Optimized for e-ink screens!
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Auto-updating screensaver based on Conway's Game of Life
- Note that wallpaper will not update while the screen is locked, only on the next unlock -> lock.
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Customizable foreground and background colors (chosen specifically for color e-ink)
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Pattern picker for common Game of Life starting states
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Install the app on your Android device from F-Droid, the Releases Section, or by building from source.
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⚠️ Disable freezing in order to for the game to self-update- Settings > Apps & Notifications > Freeze Settings > GoL Wallpaper (OFF)
- Note: Updates happen at most every 15 minutes and only with sufficient battery
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Launch the app:
- (Optional) Choose foreground and background colors in the app
- (Optional) Pick a starting pattern
- (Optional) Tap "Generate Next Step" to advance the Game of Life and update your wallpaper
Pull requests and feature requests / bug reports are welcome!
This project uses Kotlin and Jetpack Compose with no 3rd party dependencies and is checked by detekt with hbmartin's rules.
- Fork the repository and
git clone - Create a new branch
git checkout -b cool-feature-name - Open in Android Studio, sync Gradle, and start hacking!
- Ensure checks are passing by running
./gradlew detektMain - Commit your changes
git commit -am 'Description of what changed' - Push to the branch
git push origin head - Create a new Pull Request
app/src/main/java/me/haroldmartin/golwallpaper/– Main source codedomain/– Game of Life logic and patternsui/– Jetpack Compose UI componentsutils/– Utility functions (saving wallpaper, color picking, etc.)
- Harold Martin - harold.martin at gmail dot com
- Triangle disclosure icon from Compose Icons / Lucide
- Inspiration from WanderWall by fmeyer
MIT License with addendum: it's legally required for you to do at least one of have fun with this or report an issue explaining why not, no takesies backsies.