res/layout/wallpaper_quick_switch_option.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.
  ~
  -->

<FrameLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="@dimen/wallpaper_quick_switch_selected_option_height"
    android:background="@drawable/wallpaper_quick_switch_option_background"
    android:clipToOutline="true">

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

    <ImageView
        android:id="@+id/thumbnail"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="centerCrop" />

    <ImageView
        android:id="@+id/selection_border"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@drawable/wallpaper_quick_switch_option_selection_marker_background"
        android:visibility="gone" />

    <ImageView
        android:id="@+id/selection_icon"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:src="@drawable/check_circle_secondary_24dp"
        android:visibility="gone" />

</FrameLayout>