Real-World Cases

Guideline 2.1 - Performance. Your game crashes during the tutorial sequence when transitioning between scenes.

Fix: Added proper async scene loading with progress indicator. Used Addressables for asset management. Added null checks for all asset references during scene transitions. Tested the complete tutorial flow...

Guideline 2.1 - Performance. The app crashes when the network connection is lost during gameplay.

Fix: Added network reachability monitoring with NWPathMonitor. Gracefully handle disconnection with a reconnecting overlay. Save game state locally when connection drops. Resume when connection restores.

Guideline 2.1 - Performance - App Completeness. The app crashes when attempting to access the camera on devices without a camera (iPod touch).

Fix: Added AVCaptureDevice.authorizationStatus and device capability checks before initializing camera. Gracefully handle missing hardware with appropriate UI messaging. Tested on all device types.

Guideline 2.1 - Performance. Your app crashes when the keyboard appears on iPadOS with an external keyboard connected.

Fix: Added guard for zero-height keyboard notifications. Handle external keyboard case where software keyboard doesnt appear. Use inputAccessoryView properly. Test with and without external keyboards on iP...

Guideline 2.1 - Performance. Your app crashes when an in-app purchase fails or is cancelled by the user.

Fix: Added proper handling for all StoreKit transaction states including failed and deferred. Show user-friendly error messages for failures. Handle cancellation gracefully by returning to the previous scr...

Guideline 2.1 - Performance. Your app hangs indefinitely on a white screen after the splash screen.

Fix: Added a top-level ErrorBoundary component that catches JavaScript errors and shows a fallback UI with retry button. Fixed the root component error. Added crash reporting to catch these issues before s...

Guideline 2.1 - Performance - App Completeness. The app crashed on launch on iPad running iPadOS 17.2.

Fix: Fixed the iPad-specific crash caused by a missing size class configuration. Even iPhone-only apps can be run on iPad and must not crash. Added iPad to our test matrix and fixed all layout issues.

Guideline 2.1 - Performance. Your app has rendering issues on iOS 16 devices. Navigation stack fails to render properly.

Fix: Added @available(iOS 17, *) checks around NavigationStack usage. Provided NavigationView fallback for iOS 16. Set minimum deployment target appropriately. Tested on oldest supported iOS version.

Guideline 2.1 - Performance - App Completeness

Fix: Ensured iPad compatibility and tested on all supported devices before resubmitting.

Your app crashes on launch. To resolve this issue, please revise your app and test it on a device to ensure it will launch without crashing.

Fix: Tested on physical device in release mode, found and fixed the crash, resubmitted.