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10 pages in this section.
Learn to install Expo SDK packages, understand versioning, and see how native modules boot in your app with 10 practical examples.
Learn to implement local and remote notifications in Expo SDK 57 apps, covering permissions, channels, foreground handling, and push token registration.
Learn to implement foreground and background location tracking, geofencing, and configure App Store disclosure strings with expo-location.
Learn to implement camera and image picking features in Expo SDK 57 apps. Configure permissions, handle image selection, and manage memory-safe previews.
Learn to use expo-file-system in Expo SDK 57 apps to cache PDFs, photos, and offline payloads. Manage sandboxed paths, downloads, and migrations.
Learn to use expo-secure-store and expo-crypto in Expo SDK 57 apps to vault refresh tokens, derive fingerprints, and generate nonces.
Learn 25 essential best practices for Expo SDK 57 packages, covering installation, permission rationale, storage tiers, and graceful denial UX.
A single-page roundup of every highlight bullet from the 9 pages in the Expo SDK Packages section, grouped by source page so you can scan all 54 takeaways without opening each article individually.