LibreTube/app/src/main/res/xml/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/location">

        <ListPreference
            app:key="region"
            app:title="@string/region"
            app:entries="@array/regions"
            app:entryValues="@array/regionsValue"
            app:defaultValue="US"
            app:useSimpleSummaryProvider="true"
            android:icon="@drawable/ic_region" />

        <ListPreference
            app:key="language"
            app:title="@string/changeLanguage"
            app:entries="@array/languages"
            app:entryValues="@array/languagesValue"
            app:defaultValue="sys"
            app:useSimpleSummaryProvider="true"
            android:icon="@drawable/ic_translate" />

    </PreferenceCategory>


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

        <ListPreference
            app:key="instance"
            app:title="@string/instances"
            app:entries="@array/instances"
            app:entryValues="@array/instancesValue"
            app:defaultValue="https://pipedapi.kavin.rocks/"
            android:icon="@drawable/ic_server" />

        <EditTextPreference
            app:key="customInstance"
            app:title="@string/customInstance"
            app:isPreferenceVisible="false" />

        <Preference
            app:key="login_register"
            app:title="@string/login_register"
            android:icon="@drawable/ic_login"
            android:summary="@string/notgmail" />

        <Preference
            app:key="import_from_yt"
            app:title="@string/import_from_yt"
            android:summary="@string/import_from_yt_summary"
            android:icon="@drawable/ic_upload" />

    </PreferenceCategory>

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

        <Preference
            app:key="appearance"
            app:title="@string/appearance"
            app:summary="@string/appearance_summary"
            android:icon="@drawable/ic_color" />

        <Preference
            app:title="@string/sponsorblock"
            app:key="sponsorblock"
            app:summary="@string/sponsorblock_summary"
            android:icon="@drawable/ic_block" />

        <Preference
            app:key="advanced"
            app:title="@string/advanced"
            app:summary="@string/advanced_summary"
            android:icon="@drawable/ic_list" />

    </PreferenceCategory>

    <PreferenceCategory>

        <Preference
            app:title="@string/about"
            app:key="about"
            android:icon="@drawable/ic_info" />

    </PreferenceCategory>

</PreferenceScreen>