res/layout/udfps_enroll_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2021 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->
<com.android.settings.biometrics.fingerprint.UdfpsEnrollView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/udfps_animation_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ImageView
        android:id="@+id/udfps_enroll_animation_fp_progress_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

    <!-- Fingerprint -->
    <ImageView
        android:id="@+id/udfps_enroll_animation_fp_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>
</com.android.settings.biometrics.fingerprint.UdfpsEnrollView>