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Android persistence

Skill ComeOnOliver/skillshub/skills/HoangNguyen0403/agent-skills-standard/android-persistence

Standards for Room Database and DataStore. Use when implementing Room database schemas or DataStore preferences in Android. (triggers: **/*Dao.kt, **/*Database.kt, **/*Entity.kt, @Dao, @Entity, RoomDatabase)From its SKILL.md

Install
npx -y skills add ComeOnOliver/skillshub --skill android-persistence

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SKILL.md

1.0 KB, 176 tokens by cl100k_base, as published. Nobody here has run it

Android Persistence Standards

Priority: P0

Implementation Guidelines

Room

  • Async: Return Flow<List<T>> for queries, use suspend for Write/Insert.
  • Entities: Keep simple @Entity data classes. Map to Domain models in Repository.
  • Transactions: Use @Transaction for multi-table queries (Relations).

DataStore

  • Usage: Replace SharedPreferences with ProtoDataStore (Type-safe) or PreferencesDataStore.
  • Scope: Inject singleton instance via Hilt.

Anti-Patterns

  • No IO on Main Thread: Room handles dispatchers, but verify Flow is collected off-main.
  • No @Entity in UI Layer: Map to Domain or UI models in Repository.

References

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