res/layout/fragment_small_preview.xml

<?xml version="1.0" encoding="utf-8"?><!--
  ~ Copyright (C) 2023 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.
  ~
  -->

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <com.android.wallpaper.picker.DisplayAspectRatioLinearLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:layout_marginHorizontal="24dp"
        android:paddingTop="20dp"
        android:paddingBottom="40dp"
        android:orientation="horizontal"
        android:gravity="center_vertical">

        <include
            android:id="@+id/preview"
            layout="@layout/wallpaper_preview_card"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"/>

    </com.android.wallpaper.picker.DisplayAspectRatioLinearLayout>
</LinearLayout>