res/drawable/checkbox_material_black.xml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <selector xmlns:android="http://schemas.android.com/apk/res/android" >
   3     <item android:drawable="@drawable/ic_box_unchecked"
   4           android:state_checked="false"/>
   5     <item android:drawable="@drawable/ic_box_checked"
   6           android:state_checked="true"/>
   7     <item android:drawable="@drawable/ic_box_unchecked"/>
   8 </selector>