res/layout/setup_theme.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
     SPDX-FileCopyrightText: 2023 The LineageOS Project
     SPDX-License-Identifier: Apache-2.0
-->
<com.google.android.setupdesign.GlifLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/setup_wizard_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        style="@style/SudContentFrame"
        android:layout_marginTop="@dimen/base_margin_top">

        <FrameLayout
            android:id="@+id/page"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1">

            <ScrollView
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:fillViewport="true">

                <RadioGroup
                    android:id="@+id/theme_radio_group"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content">

                    <RadioButton
                        android:id="@+id/radio_dark"
                        android:text="@string/dark"
                        style="@style/SudRadioButton" />

                    <RadioButton
                        android:id="@+id/radio_light"
                        android:text="@string/light"
                        style="@style/SudRadioButton" />

                </RadioGroup>
            </ScrollView>
        </FrameLayout>

        <org.lineageos.setupwizard.NavigationLayout
            android:id="@+id/navigation_bar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />

    </LinearLayout>
</com.google.android.setupdesign.GlifLayout>