BiometricAuthentication : Android Biometric Security 🔒

FingerAuth is a professional Java implementation of the modern AndroidX Biometric Library. It provides a secure, standardized way to integrate fingerprint authentication into Android applications, utilizing the BiometricPrompt API for maximum security and hardware compatibility.

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📋 Project Information

• Author: Roshani Khalane
• Created: 24th January, 2026
• Platform: Android (Java)
• Minimum SDK: API 23+ (Marshmallow)

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🛡️ Key Features

1. Unified Biometric UI: Uses the official Android system dialog for a consistent user experience.
2. Device Capability Check: Verifies if the device supports biometrics and if fingerprints are enrolled before attempting authentication.
3. Success/Failure Callbacks: Handles all authentication states including success, user cancellation, and hardware errors.
4. Fallback Security: Supports device PIN/Pattern as a secondary authentication method.
5. Hardware Agnostic: Works seamlessly with rear-mounted, side-mounted, and in-display fingerprint sensors.

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🚀 Getting Started

1. Add Dependency

Add the following to your app-level build.gradle file:

dependencies {
    implementation 'androidx.biometric:biometric:1.1.0'
}