From 9aa434cde6b2e1c98f973df3235843e211637c56 Mon Sep 17 00:00:00 2001
From: Ricky Wai <rickywai@google.com>
Date: Mon, 27 Jun 2016 11:10:09 +0100
Subject: [PATCH] Refresh screenlock UI after password verification failed

Bug: 28314264
Change-Id: Ibd715d70bbee728a887f779a24bb99ad32d8d2ed
---
 .../settings/ConfirmDeviceCredentialBaseFragment.java  | 10 +++++++++-
 src/com/android/settings/ConfirmLockPattern.java       |  1 +
 .../settings/fingerprint/FingerprintUiHelper.java      |  2 +-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/com/android/settings/ConfirmDeviceCredentialBaseFragment.java b/src/com/android/settings/ConfirmDeviceCredentialBaseFragment.java
index ef19c2a2d90..b46fa92a3d8 100644
--- a/src/com/android/settings/ConfirmDeviceCredentialBaseFragment.java
+++ b/src/com/android/settings/ConfirmDeviceCredentialBaseFragment.java
@@ -142,8 +142,16 @@ public abstract class ConfirmDeviceCredentialBaseFragment extends OptionsMenuFra
     @Override
     public void onResume() {
         super.onResume();
+        refreshLockScreen();
+    }
+
+    protected void refreshLockScreen() {
         if (mAllowFpAuthentication) {
             mFingerprintHelper.startListening();
+        } else {
+            if (mFingerprintHelper.isListening()) {
+                mFingerprintHelper.stopListening();
+            }
         }
         if (isProfileChallenge()) {
             updateErrorMessage(mLockPatternUtils.getCurrentFailedPasswordAttempts(
@@ -168,7 +176,7 @@ public abstract class ConfirmDeviceCredentialBaseFragment extends OptionsMenuFra
     @Override
     public void onPause() {
         super.onPause();
-        if (mAllowFpAuthentication) {
+        if (mFingerprintHelper.isListening()) {
             mFingerprintHelper.stopListening();
         }
     }
diff --git a/src/com/android/settings/ConfirmLockPattern.java b/src/com/android/settings/ConfirmLockPattern.java
index dd8640c1998..a2ce1540785 100644
--- a/src/com/android/settings/ConfirmLockPattern.java
+++ b/src/com/android/settings/ConfirmLockPattern.java
@@ -498,6 +498,7 @@ public class ConfirmLockPattern extends ConfirmDeviceCredentialBaseActivity {
                 checkForPendingIntent();
             } else {
                 if (timeoutMs > 0) {
+                    refreshLockScreen();
                     long deadline = mLockPatternUtils.setLockoutAttemptDeadline(
                             effectiveUserId, timeoutMs);
                     handleAttemptLockout(deadline);
diff --git a/src/com/android/settings/fingerprint/FingerprintUiHelper.java b/src/com/android/settings/fingerprint/FingerprintUiHelper.java
index 6e7f8ec7928..f7ec97b1678 100644
--- a/src/com/android/settings/fingerprint/FingerprintUiHelper.java
+++ b/src/com/android/settings/fingerprint/FingerprintUiHelper.java
@@ -67,7 +67,7 @@ public class FingerprintUiHelper extends FingerprintManager.AuthenticationCallba
         }
     }
 
-    private boolean isListening() {
+    public boolean isListening() {
         return mCancellationSignal != null && !mCancellationSignal.isCanceled();
     }