res/anim/menu_show_left.xml

<?xml version="1.0" encoding="UTF-8"?>
<translate xmlns:android="http://schemas.android.com/apk/res/android"
		   android:interpolator="@android:anim/accelerate_decelerate_interpolator"
		   android:fromXDelta="960"
		   android:toXDelta="0"
		   android:duration="700" 
		   android:fillAfter="true"/>