Add logging for biometric authentication. (e442acfa) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/statusbar/phone/BiometricUnlockController.java

+27 −0

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@ package com.android.systemui.statusbar.phone;

		import android.content.Context;
		import android.hardware.biometrics.BiometricSourceType;
		import android.metrics.LogMaker;
		import android.os.Handler;
		import android.os.PowerManager;
		import android.os.SystemClock;
		@@ -26,6 +27,8 @@ import android.provider.Settings;
		import android.util.Log;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.logging.MetricsLogger;
		import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
		import com.android.internal.util.LatencyTracker;
		import com.android.keyguard.KeyguardConstants;
		import com.android.keyguard.KeyguardUpdateMonitor;
		@@ -140,6 +143,8 @@ public class BiometricUnlockController extends KeyguardUpdateMonitorCallback {
		}
		};

		private final MetricsLogger mMetricsLogger = Dependency.get(MetricsLogger.class);

		public BiometricUnlockController(Context context,
		DozeScrimController dozeScrimController,
		KeyguardViewMediator keyguardViewMediator,
		@@ -253,6 +258,8 @@ public class BiometricUnlockController extends KeyguardUpdateMonitorCallback {
		Trace.endSection();
		return;
		}
		mMetricsLogger.write(new LogMaker(MetricsEvent.BIOMETRIC_AUTH)
		.setType(MetricsEvent.TYPE_SUCCESS).setSubtype(toSubtype(biometricSourceType)));
		startWakeAndUnlock(calculateMode(biometricSourceType));
		}

		@@ -420,12 +427,16 @@ public class BiometricUnlockController extends KeyguardUpdateMonitorCallback {

		@Override
		public void onBiometricAuthFailed(BiometricSourceType biometricSourceType) {
		mMetricsLogger.write(new LogMaker(MetricsEvent.BIOMETRIC_AUTH)
		.setType(MetricsEvent.TYPE_FAILURE).setSubtype(toSubtype(biometricSourceType)));
		cleanup();
		}

		@Override
		public void onBiometricError(int msgId, String errString,
		BiometricSourceType biometricSourceType) {
		mMetricsLogger.write(new LogMaker(MetricsEvent.BIOMETRIC_AUTH)
		.setType(MetricsEvent.TYPE_ERROR).setSubtype(toSubtype(biometricSourceType)));
		cleanup();
		}

		@@ -501,4 +512,20 @@ public class BiometricUnlockController extends KeyguardUpdateMonitorCallback {
		public boolean isBiometricUnlock() {
		return isWakeAndUnlock() \|\| mMode == MODE_UNLOCK;
		}

		/**
		* Translates biometric source type for logging purpose.
		*/
		private int toSubtype(BiometricSourceType biometricSourceType) {
		switch (biometricSourceType) {
		case FINGERPRINT:
		return 0;
		case FACE:
		return 1;
		case IRIS:
		return 2;
		default:
		return 3;
		}
		}
		}

proto/src/metrics_constants/metrics_constants.proto

+9 −0

Original line number	Diff line number	Diff line
		@@ -74,6 +74,9 @@ message MetricsEvent {
		// The view switched to summary mode (most relevant for notifications)
		TYPE_COLLAPSE = 14;

		// The action results an error.
		TYPE_ERROR = 15;

		// The notification was adjusted by the assistant. Enum value is
		// out of sequence due to b/122737498.
		TYPE_NOTIFICATION_ASSISTANT_ADJUSTMENT = 1573;
		@@ -7138,6 +7141,12 @@ message MetricsEvent {
		// OS: Q
		DISPLAY_POLICY = 1696;

		// Biometric authentication.
		// TYPE: SUCCESS, FAILURE or ERROR
		// SUBTYPE: 0 is fingerprint, 1 is face, 2 is iris and 3 is unknown.
		// OS: Q
		BIOMETRIC_AUTH = 1697;

		// ---- End Q Constants, all Q constants go above this line ----
		// Add new aosp constants above this line.
		// END OF AOSP CONSTANTS