diff --git a/src/com/android/settings/accounts/AccountDashboardFragment.java b/src/com/android/settings/accounts/AccountDashboardFragment.java
index 515008af596..0dae10bbe29 100644
--- a/src/com/android/settings/accounts/AccountDashboardFragment.java
+++ b/src/com/android/settings/accounts/AccountDashboardFragment.java
@@ -15,11 +15,17 @@
  */
 package com.android.settings.accounts;
 
+import static android.app.ActivityManager.LOCK_TASK_MODE_PINNED;
 import static android.provider.Settings.EXTRA_AUTHORITIES;
 
+import android.app.ActivityManager;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
+import android.os.Bundle;
 import android.provider.SearchIndexableResource;
+import android.util.Log;
+
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
@@ -40,6 +46,14 @@ public class AccountDashboardFragment extends DashboardFragment {
 
     private static final String TAG = "AccountDashboardFrag";
 
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        if (isLockTaskModePinned()) {
+            Log.w(TAG, "Devices lock task mode pinned.");
+            finish();
+        }
+    }
 
     @Override
     public int getMetricsCategory() {
@@ -83,6 +97,13 @@ public class AccountDashboardFragment extends DashboardFragment {
         return controllers;
     }
 
+    @VisibleForTesting
+    boolean isLockTaskModePinned() {
+        final ActivityManager activityManager =
+                getContext().getSystemService(ActivityManager.class);
+        return activityManager.getLockTaskModeState() == LOCK_TASK_MODE_PINNED;
+    }
+
     public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
             new BaseSearchIndexProvider() {
                 @Override
diff --git a/tests/robotests/src/com/android/settings/accounts/AccountDashboardFragmentTest.java b/tests/robotests/src/com/android/settings/accounts/AccountDashboardFragmentTest.java
index 006087516cf..c07f915cc30 100644
--- a/tests/robotests/src/com/android/settings/accounts/AccountDashboardFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/accounts/AccountDashboardFragmentTest.java
@@ -15,8 +15,16 @@
  */
 package com.android.settings.accounts;
 
+import static android.app.ActivityManager.LOCK_TASK_MODE_NONE;
+import static android.app.ActivityManager.LOCK_TASK_MODE_PINNED;
+
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+
+import android.app.ActivityManager;
+import android.content.Context;
 import android.provider.SearchIndexableResource;
 
 import com.android.settingslib.drawer.CategoryKey;
@@ -26,6 +34,8 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
+import org.robolectric.shadow.api.Shadow;
+import org.robolectric.shadows.ShadowActivityManager;
 
 import java.util.List;
 
@@ -33,10 +43,12 @@ import java.util.List;
 public class AccountDashboardFragmentTest {
 
     private AccountDashboardFragment mFragment;
+    private Context mContext;
 
     @Before
     public void setUp() {
         mFragment = new AccountDashboardFragment();
+        mContext = RuntimeEnvironment.application;
     }
 
     @Test
@@ -53,4 +65,26 @@ public class AccountDashboardFragmentTest {
         assertThat(indexRes).isNotNull();
         assertThat(indexRes.get(0).xmlResId).isEqualTo(mFragment.getPreferenceScreenResId());
     }
+
+    @Test
+    public void isLockTaskModePinned_disableLockTaskMode_shouldReturnFalse() {
+        final AccountDashboardFragment fragment = spy(mFragment);
+        doReturn(mContext).when(fragment).getContext();
+        final ShadowActivityManager activityManager =
+                Shadow.extract(mContext.getSystemService(ActivityManager.class));
+        activityManager.setLockTaskModeState(LOCK_TASK_MODE_NONE);
+
+        assertThat(fragment.isLockTaskModePinned()).isFalse();
+    }
+
+    @Test
+    public void isLockTaskModePinned_hasTaskPinned_shouldReturnTrue() {
+        final AccountDashboardFragment fragment = spy(mFragment);
+        doReturn(mContext).when(fragment).getContext();
+        final ShadowActivityManager activityManager =
+                Shadow.extract(mContext.getSystemService(ActivityManager.class));
+        activityManager.setLockTaskModeState(LOCK_TASK_MODE_PINNED);
+
+        assertThat(fragment.isLockTaskModePinned()).isTrue();
+    }
 }