<?xml version="1.0" encoding="utf-8"?>
<resources>
    <!-- As defined: http://developer.android.com/design/style/typography.html -->
    <dimen name="text_micro">12sp</dimen>
    <dimen name="text_small">14sp</dimen>
    <dimen name="text_medium">18sp</dimen>
    <dimen name="text_large">22sp</dimen>
    
    <!-- As defined: http://developer.android.com/design/style/metrics-grids.html -->
    <dimen name="touch_rhythm_size">48dp</dimen>
</resources>

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <!-- As defined: http://developer.android.com/design/style/typography.html -->
    <dimen name="text_micro">12sp</dimen>
    <dimen name="text_small">14sp</dimen>
    <dimen name="text_medium">18sp</dimen>
    <dimen name="text_large">22sp</dimen>
    
    <!-- As defined: http://developer.android.com/design/style/metrics-grids.html -->
    <dimen name="touch_rhythm_size">48dp</dimen>
    
    <!-- Material design constants: http://android-developers.blogspot.ca/2014/10/material-design-on-android-checklist.html -->
    <dimen name="material_keyline1">16dp</dimen>
    <dimen name="material_keyline2">72dp</dimen>
    <dimen name="material_keyline3">16dp</dimen>
    <dimen name="material_grid_size">8dp</dimen>
    <dimen name="material_max_drawer_width">320dp</dimen>
</resources>

Add some material design constants
Add some material design constants