space-android/res/drawable/action_item_btn.xml

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

    <item 
    	android:state_window_focused="false"
        android:drawable="@android:color/transparent" />
    <item 
    	android:state_pressed="true"
        android:drawable="@drawable/action_item_selected"/>
    <item 
    	android:state_focused="true"
        android:drawable="@drawable/action_item_selected"/>
    <item
        android:drawable="@android:color/transparent"/>
        
</selector>