The month widget's prev/next/today controls and the agenda widget's
refresh run through Glance `actionRunCallback<T>()`, which persists the
callback's class name into the click PendingIntent and instantiates it
reflectively when tapped. Under R8 full mode (AGP 9 default) those
callback classes — only ever referenced reflectively — were renamed and
lost their no-arg constructor, so the lookup failed silently and the
arrows did nothing on release builds (while actionStartActivity taps,
which need no reflection, kept working).
Keep every ActionCallback's name and constructor. Verified against the
release mapping: ShiftMonthAction/ResetMonthAction/RefreshAgendaAction
now retain their original fully-qualified names.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Home-screen widgets were stuck on the Glance loading layout (a blank spinner)
in the minified release build — but worked in debug. Root cause: Glance renders
every widget through a WorkManager worker (androidx.glance.session.SessionWorker),
and WorkManager instantiates the InputMerger reflectively from the fully-qualified
class name persisted in the WorkSpec (Class.newInstance, no-arg ctor). Under R8
full mode (AGP 9 default) the unused no-arg constructor of
androidx.work.OverwritingInputMerger was stripped, so WorkManager threw
"OverwritingInputMerger has no zero argument constructor", the SessionWorker
never ran, and provideContent never executed — leaving the widget on its
initial loading layout forever.
Same R8-reflection family as the v2.7.0 Room keep-rule fix. Keep the name +
constructor of every androidx.work.InputMerger.
Verified on-device with the releaseTest build (R8-minified): the agenda widget,
which showed only a spinner before, now renders its content; the WM-InputMerger
InstantiationException is gone. Closes #18. Cuts v2.7.3.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
The minified release build crashed on every launch before any UI:
Unable to get provider androidx.startup.InitializationProvider:
Failed to create an instance of androidx.work.impl.WorkDatabase
The home-screen widgets use Glance, which pulls in WorkManager and its
transitive Room database (room-runtime 2.2.5). Room 2.2.5's bundled keep
rule is `-keep class * extends androidx.room.RoomDatabase` — it keeps the
class but not its constructor. Under R8 full mode (AGP 9) the generated
WorkDatabase_Impl was reduced to a non-instantiable class, so Room's
reflective newInstance() threw InstantiationException at startup.
Add `-keep class * extends androidx.room.RoomDatabase { *; }` so the
generated *_Impl classes keep their constructors. Verified against the
rebuilt release APK: WorkDatabase_Impl is now PUBLIC FINAL with its
<init> present.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
- Restore 4-space indent on kotlin-compose plugin alias (regression from
the previous cleanup commit)
- Fix invalid ProGuard rule: HiltAndroidApp is an annotation type, not
a class - use '-keep @dagger.hilt.android.HiltAndroidApp class *' to
actually retain the @HiltAndroidApp-annotated Application
- Remove vectorDrawables.useSupportLibrary - dead config since minSdk 29
(native VectorDrawable support since API 21)
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
