flutter_sync_engine #

Version: 0.0.1-dev.2+nonfunctional
Status: Development / Non-functional for real backend

flutter_sync_engine is a Flutter offline-first sync engine plugin that provides:

• Local operation logging
• Push/pull transport system
• Conflict resolution
• Example app demonstrating offline note sync using in-memory, Hive, or SQLite stores

Features (Dev Preview) #

• Offline-first data model with SyncOperation and SyncEntity.
• Stores:
  • InMemorySyncStore (volatile, for demo)
  • HiveSyncStore (persistent, uses Hive)
  • SQLiteSyncStore (persistent, uses SQLite)
• DummyTransport: Simulate push/pull without a real backend.
• SyncEngine: Handles push, pull, conflict resolution.
• Conflict resolution: Built-in LastWriteWins.
• Example app shows:
  • Add notes offline
  • Sync notes to dummy backend
  • Pending vs synced visual indicators (cloud icons)
  • Log panel showing operations

Getting Started #

Add dependency in your pubspec.yaml:

dependencies:
  flutter_sync_engine:
    path: ../