<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >

    <set>
        <rotate
            android:duration="1600"
            android:fromDegrees="0.0"
            android:pivotX="50%"
            android:pivotY="50%"
            android:repeatCount="infinite"
            android:repeatMode="restart"
            android:toDegrees="360" />
    </set>

</set>