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Commit c98f60b1 authored by Wenhui Yang's avatar Wenhui Yang
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Change FRR thresholds for U-QPR1 

Change the FRR threshold, calculation cycle and notification limit per product team's requirement (see b/297127449).

Bug: 297127449
Bug: 258872351
Test: atest AuthenticationStatsCollectorTest
Change-Id: Ib1519076cbe601683350c55f5fe6bf4a5f3f186b
parent 83cfc036

core/res/res/values/config.xml

+1 −1
Original line number Diff line number Diff line
@@ -5342,7 +5342,7 @@ 
         fingerprint and face. If a dual-modality device only enrolled a single biometric and

         experiences high FRR (above threshold), system notification will be sent to encourage user

         to enroll the other eligible biometric. -->

    <fraction name="config_biometricNotificationFrrThreshold">30%</fraction>

    <fraction name="config_biometricNotificationFrrThreshold">25%</fraction>



    <!-- The component name for the default profile supervisor, which can be set as a profile owner

    even after user setup is complete. The defined component should be used for supervision purposes

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

+2 −2
Original line number Diff line number Diff line
@@ -45,12 +45,12 @@ public class AuthenticationStatsCollector { 
    private static final String TAG = "AuthenticationStatsCollector";



    // The minimum number of attempts that will calculate the FRR and trigger the notification.

    private static final int MINIMUM_ATTEMPTS = 500;

    private static final int MINIMUM_ATTEMPTS = 150;

    // Upload the data every 50 attempts (average number of daily authentications).

    private static final int AUTHENTICATION_UPLOAD_INTERVAL = 50;

    // The maximum number of eligible biometric enrollment notification can be sent.

    @VisibleForTesting

    static final int MAXIMUM_ENROLLMENT_NOTIFICATIONS = 2;

    static final int MAXIMUM_ENROLLMENT_NOTIFICATIONS = 1;



    @NonNull private final Context mContext;