Jean-Luc Makiola
14b19cd902
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>
41 lines
2.4 KiB
Prolog
41 lines
2.4 KiB
Prolog
# Keep Hilt-generated classes
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-keep class dagger.hilt.** { *; }
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-keep @dagger.hilt.android.HiltAndroidApp class *
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# Compose Compiler may keep its own; defaults are fine
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-dontwarn org.jetbrains.annotations.**
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# Room database implementations (pulled in transitively via
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# androidx.glance:glance-appwidget → androidx.work → androidx.room).
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# The widgets rely on Glance, whose WorkManager backend stores state in a Room
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# database. Under R8 full mode (AGP 9 default) the generated *_Impl subclasses
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# of RoomDatabase lose their usable no-arg constructor / are marked abstract,
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# so Room's reflective instantiation throws InstantiationException and the app
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# crashes at startup with "Failed to create an instance of ...WorkDatabase".
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# Keep the generated Room database implementations fully intact.
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-keep class * extends androidx.room.RoomDatabase { *; }
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-dontwarn androidx.room.paging.**
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# Glance runs an @Composable's `actionRunCallback<T>()` by persisting the
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# callback's fully-qualified class name into the click PendingIntent, then
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# reflectively instantiating it (Class.forName(name).newInstance()) when the tap
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# fires. Under R8 full mode (AGP 9 default) these ActionCallback classes — only
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# ever referenced reflectively — get renamed or have their no-arg constructor
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# stripped, so the lookup fails silently and the tap does nothing. In the month
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# and agenda widgets that broke every run-callback control (the prev/next/today
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# month arrows and the agenda refresh) in release builds while actionStartActivity
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# taps, which ride a PendingIntent and need no reflection, kept working. Keep
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# every ActionCallback's name and constructor intact.
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-keep class * implements androidx.glance.appwidget.action.ActionCallback { <init>(...); }
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# WorkManager instantiates an InputMerger reflectively (Class.newInstance) from
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# the fully-qualified class name persisted in the WorkSpec, so the class must
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# keep both its name and a no-arg constructor. Glance renders every widget
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# through a WorkManager worker (androidx.glance.session.SessionWorker) whose
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# default merger is androidx.work.OverwritingInputMerger. Under R8 full mode
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# (AGP 9 default) that unused no-arg constructor was stripped, so WorkManager
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# threw "OverwritingInputMerger has no zero argument constructor", the
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# SessionWorker never ran, and widgets were stuck on their loading layout
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# (a blank spinner) in release builds. Keep every InputMerger's name + ctor.
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-keep class * extends androidx.work.InputMerger { <init>(...); }
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