packages/SystemUI/res/color/notification_guts_buttons.xml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <selector xmlns:android="http://schemas.android.com/apk/res/android">
   3     <item android:state_checked="true"
   4           android:color="?android:attr/colorAccent" />
   5     <item android:color="@android:color/black"
   6           android:alpha=".54" />
   7 </selector>