Handling Sensitive UI Data in React Native...

Handling Sensitive UI Data in React Native Introduction As mobile applications increasingly deal with sensitive user data—financial details, personal health information, authentication flows—UI-level privacy becomes a non-trivial concern. While backend security is well understood, protecting what’s visible on the screen is often overlooked. The Core Problem Each platform handles screen privacy differently: Android Uses FLAG_SECURE to block screenshots and recordings Requires ContentObserver to d