<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" > <objectAnimator android:duration="2000" android:propertyName="rotation" android:valueFrom="0.0" android:valueTo="396.0" android:valueType="floatType" android:interpolator="@android:interpolator/linear" /> </set>