<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="400"
    android:interpolator="@android:anim/accelerate_decelerate_interpolator" >

    <alpha
        android:fromAlpha="1.0"
        android:toAlpha="1.0" >
    </alpha>

</set>