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

    <item android:drawable="@drawable/login_check_pressed" android:state_checked="true"/>
 <!-- checked -->

    <item android:drawable="@drawable/login_check_normal" android:state_checked="false"/>
 <!-- default -->

</selector>