LibreTube/app/src/main/res/xml/advanced_settings.xml

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <PreferenceCategory app:title="@string/player">

        <ListPreference
            app:title="@string/defres"
            app:key="default_res"
            app:entries="@array/defres"
            app:entryValues="@array/defresValue"
            app:defaultValue=""
            android:icon="@drawable/ic_hd"
            app:useSimpleSummaryProvider="true" />

        <ListPreference
            app:title="@string/playback_speed"
            app:key="playback_speed"
            app:entries="@array/playbackSpeed"
            app:entryValues="@array/playbackSpeedValues"
            app:defaultValue="1F"
            android:icon="@drawable/ic_play"
            app:useSimpleSummaryProvider="true" />

    </PreferenceCategory>

    <PreferenceCategory app:title="@string/downloads">

        <ListPreference
            app:key="video_format"
            app:title="@string/video_format"
            app:entries="@array/videoFormats"
            app:entryValues="@array/videoFormatsValues"
            app:defaultValue=".mp4"
            app:summary="@string/video_format_summary"
            app:icon="@drawable/ic_videocam" />

        <!--
        <Preference
            app:key="download_directory"
            app:title="@string/download_directory"
            app:summary="@string/download_directory_summary"
            app:icon="@drawable/ic_folder" />
        -->

    </PreferenceCategory>

    <PreferenceCategory app:title="@string/search_history">

        <SwitchPreference
            app:title="@string/search_history"
            app:key="search_history_toggle"
            android:defaultValue="true"
            android:icon="@drawable/ic_history" />

        <Preference
            app:title="@string/clear_history"
            app:key="clear_history"
            android:icon="@drawable/ic_trash" />

    </PreferenceCategory>

</PreferenceScreen>