ref: a6f60e9ac7221b9c291a7b31d5c0b38f7b081e32
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>