<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
   <item android:state_enabled="false"  android:drawable="@drawable/app_keybord_btn_sure_enable_false"/>
   <item android:state_enabled="true" android:drawable="@drawable/app_keybord_btn_sure_enable_true"/>
</selector>