<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <alpha android:fromAlpha="0.0"
        android:toAlpha="1.0" 
        android:interpolator="@android:anim/accelerate_interpolator" 
        android:duration="1000"
        android:repeatCount="0"/>
</set>