res/layout/fragment_tabbed_customization_picker.xml

<?xml version="1.0" encoding="utf-8"?><!--
  ~ Copyright (C) 2022 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"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <com.android.wallpaper.widget.DuoTabs
        android:id="@+id/duo_tabs"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:should_use_short_tabs="true"
        app:selected_tab_drawable="@drawable/duo_tabs_main_picker_button_indicator_background"
        app:non_selected_tab_drawable="@drawable/duo_tabs_main_picker_button_background"
        app:selected_tab_text_color="@color/system_on_primary"
        app:non_selected_tab_text_color="@color/system_on_surface_variant"
        android:layout_marginHorizontal="@dimen/tab_container_horizontal_padding"/>

    <include
        layout="@layout/fragment_customization_picker"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1" />

</LinearLayout>