<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
     android:duration="500">

    <translate
        android:fromYDelta="50%"
        android:toYDelta="0%"/>

    <alpha
        android:fromAlpha="0.5"
        android:toAlpha="1"/>

</set>