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Filename Latest commit message Latest commit date
Loïc Wisniewski 41f8462ffe 1.5: shrink and optimize release builds with R8 
Release APK goes from 115 KB to 47 KB. Shizuku.newProcess is kept explicitly
because ShizukuGrant reaches it by reflection.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-06 19:46:30 +02:00
app 1.5: shrink and optimize release builds with R8 2026-10-06 19:46:30 +02:00
fastlane/metadata/android/en-US 1.5: shrink and optimize release builds with R8 2026-10-06 19:46:30 +02:00
fdroid F-Droid recipe: new categories, pin v1.4 commit hash 2026-10-04 21:52:27 +02:00
gradle/wrapper GrayPause 1.4: grayscale color breaks for Android 2026-10-04 20:07:49 +02:00
tools GrayPause 1.4: grayscale color breaks for Android 2026-10-04 20:07:49 +02:00
.gitignore GrayPause 1.4: grayscale color breaks for Android 2026-10-04 20:07:49 +02:00
build.gradle GrayPause 1.4: grayscale color breaks for Android 2026-10-04 20:07:49 +02:00
build.sh GrayPause 1.4: grayscale color breaks for Android 2026-10-04 20:07:49 +02:00
gradle.properties GrayPause 1.4: grayscale color breaks for Android 2026-10-04 20:07:49 +02:00
gradlew GrayPause 1.4: grayscale color breaks for Android 2026-10-04 20:07:49 +02:00
gradlew.bat GrayPause 1.4: grayscale color breaks for Android 2026-10-04 20:07:49 +02:00
LICENSE GrayPause 1.4: grayscale color breaks for Android 2026-10-04 20:07:49 +02:00
README.md GrayPause 1.4: grayscale color breaks for Android 2026-10-04 20:07:49 +02:00
settings.gradle GrayPause 1.4: grayscale color breaks for Android 2026-10-04 20:07:49 +02:00

README.md

GrayPause

Keep your Android phone in grayscale, and take short color breaks that end by themselves, so you never forget to switch grayscale back on.

Features

  • One-tap timers (1/5/10/15/30 min by default), plus custom ones with hours, minutes and seconds. Long-press any timer to delete it.
  • Quick Settings tile "Color break": starts a break of the last length used; tap again to end it early.
  • Launcher shortcuts: long-press the app icon to start a timer directly.
  • Countdown notification with Grayscale now and +5 min.
  • Color apps (optional): apps like your gallery or camera are always shown in color. Uses an accessibility service that only sees which app is in front.
  • Reboot-safe: a running break is re-armed, or grayscale restored if time ran out.

No internet permission, no tracking, no dependencies beyond the Shizuku client library.

Setup: the one permission

Grayscale is a secure system setting (accessibility_display_daltonizer*), so the app needs WRITE_SECURE_SETTINGS. Android has no switch for it in Settings; grant it once:

  • Shizuku: start Shizuku, open GrayPause, tap Grant with Shizuku. Shizuku can be stopped afterwards.
  • adb: 
    adb shell pm grant com.lpw.graypause android.permission.WRITE_SECURE_SETTINGS

The grant survives reboots and app updates (not an uninstall).

Building

Standard Gradle project (JDK 17+, Android SDK 36):

gradle assembleRelease      # or ./gradlew

build.sh is an alternative Gradle-free debug build used to develop the app directly on a phone in Termux (native aapt2/javac/apksigner, d8 from the SDK). It needs no Android Studio, and tools/ZipAlign.java stands in for zipalign.

F-Droid

Store texts, icon and screenshots are in fastlane/metadata/android/en-US/ (F-Droid reads them from the source tree). The draft fdroiddata recipe is fdroid/com.lpw.graypause.yml; releases are tagged vX.Y.

License

GPL-3.0-or-later, see LICENSE.