From 4e8bded71b215c7a938a88030ebfa3dd170d5f1d Mon Sep 17 00:00:00 2001
From: Vincent Wang <firewall@google.com>
Date: Tue, 21 Feb 2023 07:30:20 +0000
Subject: [PATCH] Fix FaceSettings UI problem

Update the visibility of button in onStart to avoid missing check
state if Fragment & Activity were restarted

Bug: 269553342
Test: 1. enroll face
      2. go to settings > Security  privacy > device lock > face & fingerprint unlock
      3. Eenter screen lock
      4. Click face unlock > delete face model
      5.re-enroll face
      6.check the UI of face unlock detailed page
Change-Id: I152467afe2cc90932a53fe73b541e97b5b742831
---
 src/com/android/settings/biometrics/face/FaceSettings.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/com/android/settings/biometrics/face/FaceSettings.java b/src/com/android/settings/biometrics/face/FaceSettings.java
index 3710528ef4c..5dc3ee2f32d 100644
--- a/src/com/android/settings/biometrics/face/FaceSettings.java
+++ b/src/com/android/settings/biometrics/face/FaceSettings.java
@@ -203,7 +203,11 @@ public class FaceSettings extends DashboardFragment {
         if (savedInstanceState != null) {
             mToken = savedInstanceState.getByteArray(KEY_TOKEN);
         }
+    }
 
+    @Override
+    public void onStart() {
+        super.onStart();
         final boolean hasEnrolled = mFaceManager.hasEnrolledTemplates(mUserId);
         mEnrollButton.setVisible(!hasEnrolled);
         mRemoveButton.setVisible(hasEnrolled);