<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item
       
        android:state_pressed="true"
        android:state_focused="true"
        android:state_selected="true" 
        android:state_checkable="true" 
        android:state_checked="true"
        android:state_enabled="true"
        android:state_window_focused="true" />
</selector>
<!-- android:drawable="@android:drawable/btn_application_selector"-->