session-android/res/xml/preferences_chats.xml

<?xml version="1.0" encoding="utf-8"?>

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
    <PreferenceCategory android:key="media_download" android:title="@string/preferences_chats__media_auto_download">
        <com.h6ah4i.android.compat.preference.MultiSelectListPreferenceCompat
                android:title="@string/preferences_chats__when_using_mobile_data"
                android:key="pref_media_download_mobile"
                android:defaultValue="@array/pref_media_download_mobile_data_default"
                android:persistent="true"
                android:entries="@array/pref_media_download_values"
                android:entryValues="@array/pref_media_download_entries" />

        <com.h6ah4i.android.compat.preference.MultiSelectListPreferenceCompat
                android:title="@string/preferences_chats__when_using_wifi"
                android:key="pref_media_download_wifi"
                android:defaultValue="@array/pref_media_download_wifi_default"
                android:persistent="true"
                android:entries="@array/pref_media_download_values"
                android:entryValues="@array/pref_media_download_entries" />

        <com.h6ah4i.android.compat.preference.MultiSelectListPreferenceCompat
                android:title="@string/preferences_chats__when_roaming"
                android:key="pref_media_download_roaming"
                android:defaultValue="@array/pref_media_download_roaming_default"
                android:persistent="true"
                android:entries="@array/pref_media_download_values"
                android:entryValues="@array/pref_media_download_entries" />
    </PreferenceCategory>

    <PreferenceCategory android:key="message_trimming" android:title="@string/preferences_chats__message_trimming">
        <org.thoughtcrime.securesms.components.SwitchPreferenceCompat
            android:defaultValue="false"
            android:key="pref_trim_threads"
            android:summary="@string/preferences__automatically_delete_older_messages_once_a_conversation_exceeds_a_specified_length"
            android:title="@string/preferences__delete_old_messages" />

        <EditTextPreference android:defaultValue="500"
                            android:key="pref_trim_length"
                            android:title="@string/preferences__conversation_length_limit"
                            android:inputType="number"
                            android:dependency="pref_trim_threads" />

        <Preference android:key="pref_trim_now"
                    android:title="@string/preferences__trim_all_conversations_now"
                    android:summary="@string/preferences__scan_through_all_conversations_and_enforce_conversation_length_limits"
                    android:dependency="pref_trim_threads" />
    </PreferenceCategory>
</PreferenceScreen>