NewPipe/app/src/main/res/values/attrs.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <attr name="thumbs_up" format="reference"/>
    <attr name="thumbs_down" format="reference"/>
    <attr name="audio" format="reference"/>
    <attr name="download" format="reference"/>
    <attr name="share" format="reference"/>
    <attr name="cast" format="reference"/>
    <attr name="rss" format="reference"/>
</resources>