<?xml version="1.0" encoding="utf-8"?>   
<set xmlns:android="http://schemas.android.com/apk/res/android">   
    <translate   
    android:fromXDelta="-100%p"    
    android:toXDelta="0"    
    android:duration="250"/>   
    <alpha   
    android:fromAlpha="1.0"    
    android:toAlpha="1.0"  
    android:duration="250" />   
</set>