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Code review on Task 2 flagged that 'Kotlin 2.3' could mislead a future reader into bumping to 2.4.0, which has no KSP release yet. Spell out the full versions and the KSP pairing constraint in both PROJECT.md (Stack section) and REQUIREMENTS.md (Constraints section). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Calendula
A modern Material 3 Expressive calendar app for Android.
Calendula is named after the flower of the same name, whose name comes from
the Latin kalendae — the first day of the month — the same root as the
word "calendar". Calendula reads from Android's built-in CalendarContract,
so any calendar source synced to your device (CalDAV via DAVx5, Google,
local, WebCal subscriptions, ...) is shown.
Features (V1)
- Month, Week, and Day views
- Read-only event details (write support comes in V2)
- Multi-calendar visibility toggle
- Material You Dynamic Color (Android 12+)
- Light/Dark theme follows system
- German + English UI
Building
Requires Android SDK 36 and JDK 17. The Gradle wrapper is checked in, so no host Gradle install is needed:
# Build debug APK
./gradlew assembleDebug
# Run unit tests
./gradlew test
# Run lint
./gradlew lint
If your default JDK is something other than 17, set JAVA_HOME explicitly:
JAVA_HOME=/path/to/jdk-17 ./gradlew assembleDebug
License
MIT — Jean-Luc Makiola, 2026