1<?xml version="1.0" encoding="utf-8"?> 2<alpha xmlns:android="http://schemas.android.com/apk/res/android" 3 android:interpolator="@android:anim/linear_interpolator" 4 android:fromAlpha="1.0" 5 android:toAlpha="0.0" 6 android:duration="500" 7 android:zAdjustment="top" 8 />