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Commit 77100df0 authored by codeworkx's avatar codeworkx Committed by Bruno Martins
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FingerprintService: Prevent cleanup of unused fingerprints 

Restores Oreo behaviour.

Usage: Set config_cleanupUnusedFingerprints overlay to false

Change-Id: Id032fae5c6ae70ce57a60c6f5d3dbe0a6cd33258
parent f984fa0a

services/core/java/com/android/server/biometrics/BiometricServiceBase.java

+4 −2
Original line number Diff line number Diff line
@@ -78,7 +78,6 @@ public abstract class BiometricServiceBase extends SystemService 


    protected static final boolean DEBUG = true;



    private static final boolean CLEANUP_UNKNOWN_TEMPLATES = true;

    private static final String KEY_LOCKOUT_RESET_USER = "lockout_reset_user";

    private static final int MSG_USER_SWITCHING = 10;

    private static final long CANCEL_TIMEOUT_LIMIT = 3000; // max wait for onCancel() from HAL,in ms
@@ -89,6 +88,7 @@ public abstract class BiometricServiceBase extends SystemService 
    private final PowerManager mPowerManager;

    private final UserManager mUserManager;

    private final MetricsLogger mMetricsLogger;

    private final boolean mCleanupUnusedFingerprints;

    private final boolean mPostResetRunnableForAllClients;

    private final BiometricTaskStackListener mTaskStackListener = new BiometricTaskStackListener();

    private final ResetClientStateRunnable mResetClientState = new ResetClientStateRunnable();
@@ -663,6 +663,8 @@ public abstract class BiometricServiceBase extends SystemService 
        mPowerManager = mContext.getSystemService(PowerManager.class);

        mUserManager = UserManager.get(mContext);

        mMetricsLogger = new MetricsLogger();

        mCleanupUnusedFingerprints = mContext.getResources().getBoolean(

                org.lineageos.platform.internal.R.bool.config_cleanupUnusedFingerprints);

        mPostResetRunnableForAllClients = mContext.getResources().getBoolean(

                org.lineageos.platform.internal.R.bool

                        .config_fingerprintPostResetRunnableForAllClients);
@@ -1272,7 +1274,7 @@ public abstract class BiometricServiceBase extends SystemService 
     * @param userId

     */

    protected void doTemplateCleanupForUser(int userId) {

        if (CLEANUP_UNKNOWN_TEMPLATES) {

        if (mCleanupUnusedFingerprints) {

            enumerateUser(userId);

        }

    }