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Commit 0142b734 authored by Beverly's avatar Beverly Committed by Beverly Tai
Browse files

Add log when upfps overlay isn't in sync with KeyguardUpdateMonitor 

Log a debug msg when UdfpsController hides the udfps overlay when
KeyguardUpdateMonitor thinks that fingerprint is running. If we
get to this log, we expect a KeyguardUpdateMonitor fingerprintRunningState
update to 0 shortly afterwards. If not, there's a discrepancy between
UdfpsController and KeyguardUpdateMonitor which can lead to a bad state.
For example: the udfps icon not showing, but KeyguardUpdateMonitor thinks
that it's showing so UDFPS will not be re-requested.

Test: manual
Fixes: 197167446
Change-Id: I4cc97ae0fcc2f11a320fdcd014fbcf14227a011c
parent 7cf13cf4

packages/SystemUI/src/com/android/systemui/biometrics/UdfpsController.java

+7 −0
Original line number Diff line number Diff line
@@ -256,6 +256,13 @@ public class UdfpsController implements DozeReceiver { 
        @Override

        public void hideUdfpsOverlay(int sensorId) {

            mFgExecutor.execute(() -> {

                if (mKeyguardUpdateMonitor.isFingerprintDetectionRunning()) {

                    // if we get here, we expect keyguardUpdateMonitor's fingerprintRunningState

                    // to be updated shortly afterwards

                    Log.d(TAG, "hiding udfps overlay when "

                            + "mKeyguardUpdateMonitor.isFingerprintDetectionRunning()=true");

                }



                mServerRequest = null;

                updateOverlay();

            });