QSPackKit/sdk/jm/res/anim/authsdk_anim_loading.xml

<set xmlns:android="http://schemas.android.com/apk/res/android">

    <rotate
            android:duration="1000"
            android:fromDegrees="0"
            android:pivotX="50%"
            android:pivotY="50%"
            android:repeatCount="-1"
            android:toDegrees="359"/>

</set>