2 <!-- Default screen margins, per the Android Design guidelines. -->
3 <dimen name="activity_horizontal_margin">16dp</dimen>
4 <dimen name="activity_vertical_margin">16dp</dimen>
6 <!-- Per the design guidelines, navigation drawers should be between 240dp and 320dp:
7 https://developer.android.com/design/patterns/navigation-drawer.html -->
8 <dimen name="navigation_drawer_width">240dp</dimen>