Biometric Auth Guide
A guide to implementing biometric authentication with fingerprint and face recognition for secure mobile app access.
Usage
Ask about biometric authentication, Face ID, Touch ID, Android BiometricPrompt, or secure storage.
Examples
- "Add Face ID authentication to my iOS app"
- "How do I handle biometric enrollment changes?"
- "Implement biometric login with secure token storage"
Guidelines
- Always provide a passcode fallback for accessibility
- Check biometric availability before showing the option
- Store credentials in the secure enclave or keystore
- Handle biometric enrollment changes gracefully
- Add usage descriptions explaining why biometrics are needed