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Mobile
Festival Mobile
A mobile app connected to the festival backend, designed with MVVM, UDF, StateFlow, repositories, Room as local source of truth and WorkManager synchronization.
Context
Mobile project adapting the festival domain to Android with authentication, offline-first behavior and deferred synchronization.
Role
Designed the mobile architecture, typed navigation, repositories, DTO mappers, Room database, workers and auth flows.
Stack
KotlinJetpack ComposeRoomWorkManagerExpressPostgreSQL
Architecture
Kotlin Jetpack Compose with MVVM, UDF, StateFlow, Repository pattern, manual DI, Navigation 3, Room, WorkManager and Express/PostgreSQL backend.
Key features
- HTTP-cookie auth, automatic refresh, email verification and password reset.
- Offline-first mode for games, reservants, festivals and reservations.
- Synchronization with statuses, retry actions, negative local IDs and pendingDraftJson.
Learnings
- Treat Room as the local source of truth.
- Design network, offline and retry flows without losing drafts.
- Separate DTO, mapper, entity and UI state in a Compose app.
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