package com.wownero.wownerujo.util; import android.app.KeyguardManager; import android.content.Context; import android.hardware.fingerprint.FingerprintManager; import android.os.Build; import android.os.CancellationSignal; public class FingerprintHelper { public static boolean isDeviceSupported(Context context) { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) { return false; } FingerprintManager fingerprintManager = context.getSystemService(FingerprintManager.class); KeyguardManager keyguardManager = context.getSystemService(KeyguardManager.class); return (keyguardManager != null) && (fingerprintManager != null) && keyguardManager.isKeyguardSecure() && fingerprintManager.isHardwareDetected() && fingerprintManager.hasEnrolledFingerprints(); } public static boolean isFingerPassValid(Context context, String wallet) { try { KeyStoreHelper.loadWalletUserPass(context, wallet); return true; } catch (KeyStoreHelper.BrokenPasswordStoreException ex) { return false; } } public static void authenticate(Context context, CancellationSignal cancelSignal, FingerprintManager.AuthenticationCallback callback) { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) { return; } FingerprintManager manager = context.getSystemService(FingerprintManager.class); if (manager != null) { manager.authenticate(null, cancelSignal, 0, callback, null); } } }