flutter-working-with-databasesот flutter

SQLite and offline-first data layer architecture for Flutter apps with structured local persistence. Separates data layer into stateless Services (raw data wrappers) and business-logic Repositories (single source of truth per domain entity) Implements offline-first synchronization: reads yield cached local data immediately then fetch remote updates; writes save locally first, then attempt API sync with background queue fallback Covers SQLite setup with safe parameterized queries, Domain...