React Native programėles dažnai turi saugoti duomenis lokaliai — naudotojo nustatymus, talpyklos duomenis, autentifikavimo žetonus, autonominio naudojimo turinį. Galimybės apima AsyncStorage (raktų-reikšmių porų saugykla), MMKV (greita), SQLite ir saugią saugyklą jautriamiems duomenims. Tinkamo varianto pasirinkimas yra svarbus.
Lokalios saugyklos variantai
ASYNCSTORAGE → simple async KEY-VALUE storage (the common basic option):
→ store strings (serialize objects to JSON); for settings, small data, simple caching
→ async API; persists across app launches
MMKV → a very FAST key-value storage (by WeChat) — faster than AsyncStorage, synchronous;
popular modern choice for performance
SQLITE (e.g. expo-sqlite, react-native-sqlite, WatermelonDB) → relational DATABASE for
STRUCTURED/large data, queries, relationships, offline-first apps
SECURE STORAGE → expo-secure-store / react-native-keychain for SENSITIVE data (tokens,
credentials) — ENCRYPTED (keychain/keystore)
