diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 56ada59a03a..cb53a02865e 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1490,6 +1490,7 @@
         <activity android:name=".applications.specialaccess.deviceadmin.DeviceAdminAdd"
                   android:label="@string/device_admin_add_title"
                   android:exported="true"
+                  android:theme="@style/Theme.SubSettings"
                   android:clearTaskOnLaunch="true">
             <intent-filter>
                 <action android:name="android.app.action.ADD_DEVICE_ADMIN" />
diff --git a/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java b/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java
index 1fe3f177b69..0625bbbfc39 100644
--- a/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java
+++ b/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java
@@ -71,6 +71,7 @@ import com.android.settings.users.UserDialogs;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 import com.android.settingslib.RestrictedLockUtilsInternal;
+import com.android.settingslib.collapsingtoolbar.CollapsingToolbarBaseActivity;
 
 import org.xmlpull.v1.XmlPullParserException;
 
@@ -79,7 +80,10 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 
-public class DeviceAdminAdd extends Activity {
+/**
+ * A confirmation screen for enabling administractor.
+ */
+public class DeviceAdminAdd extends CollapsingToolbarBaseActivity {
     static final String TAG = "DeviceAdminAdd";
 
     static final int DIALOG_WARNING = 1;