dimens.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <!-- Default screen margins, per the Android Design guidelines. -->
    <dimen name="activity_horizontal_margin">16dp</dimen>
    <dimen name="activity_vertical_margin">16dp</dimen>

    <dimen name="content_padding_half">4dip</dimen>
    <dimen name="content_padding">8dip</dimen>
    <dimen name="content_padding_double">16dip</dimen>
    <dimen name="content_padding_triple">32dip</dimen>
</resources>