1<?xml version="1.0" encoding="utf-8"?> 2<set 3 xmlns:android="http://schemas.android.com/apk/res/android" > 4 <objectAnimator 5 android:duration="2000" 6 android:propertyName="rotation" 7 android:valueFrom="-84.0" 8 android:valueTo="348.0" 9 android:valueType="floatType" 10 android:interpolator="@android:interpolator/linear" /> 11</set> 12