<?xml version="1.0" encoding="utf-8"?> <objectAnimator xmlns:android="http://schemas.android.com/apk/res/android" android:duration="@integer/play_button_animation_duration" android:interpolator="@android:anim/accelerate_decelerate_interpolator" android:propertyName="rotation" android:valueFrom="0" android:valueTo="90" android:valueType="floatType"/>