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

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

    <attr name="roundSelector" format="reference" />
    <attr name="rectSelector" format="reference" />
    <attr name="defaultFooterColor" format="color" />
    <attr name="toolbarPopupTheme" format="reference" />
    <attr name="lineHeightHint" format="dimension" />

    <declare-styleable name="NetworkImageView">
        <attr name="url_link" format="string" />
    </declare-styleable>


</resources>