<resources>
    <declare-styleable name="FriendIconView">
        <attr name="exampleString" format="string" />
        <attr name="exampleDimension" format="dimension" />
        <attr name="exampleColor" format="color" />
        <attr name="exampleDrawable" format="color|reference" />
        <attr name="nickname" format="string"/>
        <attr name="iconSrc" format="reference"/>
    </declare-styleable>
</resources>