RetroMusicPlayer/app/src/main/res/xml/pref_lockscreen.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <code.name.monkey.appthemehelper.common.prefs.supportv7.ATEPreferenceCategory android:title="@string/pref_header_lockscreen">
        <code.name.monkey.appthemehelper.common.prefs.supportv7.ATESwitchPreference
            android:defaultValue="true"
            android:key="album_art_on_lockscreen"
            android:summary="@string/pref_summary_album_art_on_lockscreen"
            android:title="@string/pref_title_album_art_on_lockscreen"
            app:enableCopying="true" />

        <code.name.monkey.appthemehelper.common.prefs.supportv7.ATESwitchPreference
            android:defaultValue="false"
            android:dependency="album_art_on_lockscreen"
            android:key="blurred_album_art"
            android:summary="@string/pref_summary_blurred_album_art"
            android:title="@string/pref_title_blurred_album_art"
            app:enableCopying="true" />

        <code.name.monkey.appthemehelper.common.prefs.supportv7.ATESwitchPreference
            android:defaultValue="false"
            android:key="lock_screen"
            android:summary="@string/pref_summary_lock_screen"
            android:title="@string/pref_title_lock_screen"
            app:enableCopying="true" />
    </code.name.monkey.appthemehelper.common.prefs.supportv7.ATEPreferenceCategory>
</androidx.preference.PreferenceScreen>