EasyBracket/EasyBracketing/res/drawable-hdpi/z_selector_background.xml

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

	<item
		android:state_window_focused="false"
		android:drawable="@android:color/transparent" />

	<!--
		Even though these two point to the same resource, have two states so
		the drawable will invalidate itself when coming out of pressed state.
	-->
	<item
		android:state_focused="true"
		android:state_enabled="false"
		android:state_pressed="true"
		android:drawable="@drawable/z_selector_background_pressed" />
	<item
		android:state_focused="true"
		android:state_enabled="false"
		android:drawable="@drawable/z_selector_background_focused" />

	<item
		android:state_focused="true"
		android:state_pressed="true"
		android:drawable="@drawable/z_selector_background_pressed" />
	<item
		android:state_focused="false"
		android:state_pressed="true"
		android:drawable="@drawable/z_selector_background_pressed" />

	<item
		android:state_focused="true"
		android:drawable="@drawable/z_selector_background_focused" />


</selector>