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Commit 2d05ac35 authored by Beverly's avatar Beverly
Browse files

Increase time b/w UDFPS fails on AOD for bouncer 

When UDFPS is attempted (and failed) within x seconds,
we bring up the bouncer after 2 consecutive failures.

Since UDFPS authentication takes longer on AOD:
- on AOD, consecutive attempts is considered failures within 3.5 seconds
* on LS, consecutive attempts is considered failures within 2 seconds

Test: manual
Fixes: 212534920
Change-Id: Id693896d53a9f7287fce1de985c28ba8a437f9ee
parent cb1226d6

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

+20 −13
Original line number Diff line number Diff line
@@ -634,21 +634,23 @@ public class BiometricUnlockController extends KeyguardUpdateMonitorCallback imp 
        Optional.ofNullable(BiometricUiEvent.FAILURE_EVENT_BY_SOURCE_TYPE.get(biometricSourceType))

                .ifPresent(UI_EVENT_LOGGER::log);



        if (biometricSourceType == BiometricSourceType.FINGERPRINT

                && mUpdateMonitor.isUdfpsSupported()) {

            long currUptimeMillis = SystemClock.uptimeMillis();

        if (currUptimeMillis - mLastFpFailureUptimeMillis < 2000) { // attempt within 2 seconds

            if (currUptimeMillis - mLastFpFailureUptimeMillis

                    < (mStatusBarStateController.isDozing() ? 3500 : 2000)) {

                mNumConsecutiveFpFailures += 1;

            } else {

                mNumConsecutiveFpFailures = 1;

            }

            mLastFpFailureUptimeMillis = currUptimeMillis;



        if (biometricSourceType.equals(BiometricSourceType.FINGERPRINT)

                && mUpdateMonitor.isUdfpsSupported()

                && mNumConsecutiveFpFailures >= FP_ATTEMPTS_BEFORE_SHOW_BOUNCER) {

            if (mNumConsecutiveFpFailures >= FP_ATTEMPTS_BEFORE_SHOW_BOUNCER) {

                startWakeAndUnlock(MODE_SHOW_BOUNCER);

                UI_EVENT_LOGGER.log(BiometricUiEvent.BIOMETRIC_BOUNCER_SHOWN);

                mNumConsecutiveFpFailures = 0;

            }

        }

        cleanup();

    }
@@ -736,6 +738,11 @@ public class BiometricUnlockController extends KeyguardUpdateMonitorCallback imp 
        pw.println(" BiometricUnlockController:");

        pw.print("   mMode="); pw.println(mMode);

        pw.print("   mWakeLock="); pw.println(mWakeLock);

        if (mUpdateMonitor.isUdfpsSupported()) {

            pw.print("   mNumConsecutiveFpFailures="); pw.println(mNumConsecutiveFpFailures);

            pw.print("   time since last failure=");

            pw.println(SystemClock.uptimeMillis() - mLastFpFailureUptimeMillis);

        }

    }



    /**