Added #

• 🎯 Complete biometric authentication support for Android
• 👆 Fingerprint recognition support
• 👤 Face recognition support (2D and 3D)
• 👁️ Iris recognition support (Samsung Galaxy S8/S9/Note 8/Note 9)
• 🔐 Device credential fallback (PIN, Pattern, Password)
• 💪 Strong biometric authentication (Class 3)
• 🌟 Weak biometric authentication (Class 2)
• 📊 Comprehensive device capability checking
• 🔍 Intelligent biometric type detection based on device manufacturer and model
• ⚙️ Modern BiometricPrompt API implementation
• 📱 Support for Android 7.0 (API 24) to Android 14+ (API 36)
• 🎨 Beautiful Material Design 3 example app
• ✅ Extensive error handling with 15+ error codes
• 🔄 Authentication cancellation support
• 🎯 Confirmation required option for high-security operations
• 🧩 Reusable BiometricAuthButton widget

Technical Details #

• Built with Kotlin 2.1.0
• Uses AndroidX Biometric 1.2.0-alpha05
• Minimum SDK: 24 (Android 7.0)
• Compile SDK: 36 (Android 14+)
• Full null safety support

Security Features #

• No credential storage
• System-handled authentication via BiometricPrompt
• Secure method channel communication
• Proper activity lifecycle management
• Memory leak prevention