From c976efa3e681b1ff113d8385bc200c3d088c6131 Mon Sep 17 00:00:00 2001
From: Kevin Chyn <kchyn@google.com>
Date: Fri, 7 Jun 2019 12:41:05 -0700
Subject: [PATCH] Do not stay on education page if user has enrolled max
 templates

Fixes: 134769754

Test: Enroll max templates, go back, intro screen is seen instead
Change-Id: I4a5f8d71abff88688f7c77860bb44caa95d17d61
---
 .../settings/biometrics/face/FaceEnrollEducation.java    | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/com/android/settings/biometrics/face/FaceEnrollEducation.java b/src/com/android/settings/biometrics/face/FaceEnrollEducation.java
index 429d93bd5ce..4add43ac205 100644
--- a/src/com/android/settings/biometrics/face/FaceEnrollEducation.java
+++ b/src/com/android/settings/biometrics/face/FaceEnrollEducation.java
@@ -169,6 +169,15 @@ public class FaceEnrollEducation extends BiometricEnrollBase {
         super.onResume();
         mSwitchDiversityListener.onCheckedChanged(mSwitchDiversity.getSwitch(),
                 mSwitchDiversity.isChecked());
+
+        // If the user goes back after enrollment, we should send them back to the intro page
+        // if they've met the max limit.
+        final int max = getResources().getInteger(
+                com.android.internal.R.integer.config_faceMaxTemplatesPerUser);
+        final int numEnrolledFaces = mFaceManager.getEnrolledFaces(mUserId).size();
+        if (numEnrolledFaces >= max) {
+            finish();
+        }
     }
 
     @Override