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Jean-Luc Makiola ec56e61ccd docs: add .planning/ project-tracking documents

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-06-08 14:58:38 +02:00

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Calendula

What This Is

A modern Material 3 Expressive Android calendar app, read-only V1. Lives entirely on top of Android's CalendarContract — any calendar synced to the device (CalDAV via DAVx5, Google, local, WebCal, …) shows up automatically. The differentiator is visual: real Material 3 Expressive design that no existing FOSS calendar app delivers.

Core Value

A calendar app that is genuinely pleasant to look at and use, without re-inventing the calendar sync stack — leave that to DAVx5 and the system.

Current Milestone

v0.1 — Foundation & CI: Buildable Android project scaffold with theme, icon, i18n, Hilt, DataStore, green CI.

Stack

Kotlin 2.3, Jetpack Compose + Material 3 Expressive (alpha for 1.5 APIs), Hilt, DataStore. Gradle Kotlin DSL with Version Catalog. AGP 9.1, Gradle 9.5.

Read-only V1, write support V2.

Android-only (minSdk 29, targetSdk 36). No iOS.

Naming

"Calendula" — Latin kalendae ("first day of the month", root of "calendar") is also the etymological root of the marigold flower Calendula. The icon shows a stylized "1" on a slate squircle.

Source

Hosted on self-hosted Gitea, released through self-hosted F-Droid repo on Hetzner. Same infrastructure as HouseHoldKeaper.

1.2 KiB Raw Blame History