ref: dea22e8a9ac03a7e4058f8c3c1d5f0c4f0af2e21
dir: /test/build/android/res/values/dimens.xml/
<resources>
<!-- Default screen margins, per the Android Design guidelines. -->
<dimen name="activity_horizontal_margin">16dp</dimen>
<dimen name="activity_vertical_margin">16dp</dimen>
</resources>