<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:drawable="@drawable/ic_checkbox_0" android:state_checked="false" />
    <item android:drawable="@drawable/ic_checkbox_1" android:state_checked="true" />
    <item android:drawable="@drawable/ic_checkbox_0" />

</selector>