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Learn how to decouple business logic from React Navigation's Stack Navigator by implementing ID-based routing and focus-driven data fetching to prevent stale state and memory leaks.
ScrollView renders every row eagerly; FlatList renders only what's near the viewport. Here's how to tune windowing, guard onEndReached pagination, and use getItemLayout for free performance.
Learn how to add the Hermes JavaScript engine to a React Native app: minimal config steps, trust boundaries, verification methods, and when to reconsider the choice.
A practical guide to local-only Realm in React Native: schema definition with primary keys, atomic realm.write() transactions, live queries, and safe schema migrations for offline-first apps.
Learn how Expo Router simplifies navigation with file‑based routes, type‑safe links, and built‑in deep linking, plus the trade‑offs to consider before adopting.
React Native's New Architecture replaces the JSON bridge with direct synchronous native calls. Here's what Fabric, TurboModules, and bridgeless mode actually change, plus a safe migration order.
Learn how to enable the Hermes JavaScript engine in a React Native project to improve startup time and reduce memory usage, with steps for Android and iOS, verification commands, and rollback instructions.
Learn how React Navigation's useFocusEffect hook lets you start and stop subscriptions, animations, or data fetching exactly when a screen gains or loses focus, with a concrete NetInfo example and tips to avoid common pitfalls.
expo-updates ships only JavaScript and assets. runtimeVersion is the gate deciding which bundles an installed binary accepts — and how to pick a policy.
reactnavigation
android
realm
reactnative