crystal-wallet-android/app/src/main/res/anim/rotate360.xml

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

    <!--DTVV: Friday July 28 2018
    Change android:repeatCount="0" to android:repeatCount="1000"
    -->

    <rotate xmlns:android="http://schemas.android.com/apk/res/android"
        android:fromDegrees="0"
        android:pivotX="50%"
        android:pivotY="50%"
        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
        android:duration="1000"
        android:repeatCount="1000"
        android:toDegrees="360" />

</set>