<!-- Simple bounce animation -->
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:ordering="sequentially">
    <set>
	    <objectAnimator
	        android:duration="2000"
	        android:valueTo="310"
	        android:propertyName="x"/>
	    <objectAnimator
	        android:duration="2000"
	        android:valueTo="130"
	        android:propertyName="y"
	        android:interpolator="@android:anim/bounce_interpolator"/>
	    <objectAnimator
	        android:duration="2000"
	        android:valueTo=".4"
	        android:propertyName="scaleX"/>
	    <objectAnimator
	        android:duration="2000"
	        android:valueTo=".4"
	        android:propertyName="scaleY"/>
    </set>
    <objectAnimator
        android:duration="500"
        android:valueTo="0"
        android:propertyName="alpha"/>
</set>