<?xml version="1.0" encoding="utf-8"?>
<!--use rotate tag to rotate the drawable-->
<rotate
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:fromDegrees="0"
    android:pivotX="50%"
    android:pivotY="50%"
    android:toDegrees="360">
    <!--shape tag is used to 
        build a shape in XML-->
    <shape
        android:innerRadiusRatio="3"
        android:shape="ring"
        android:thicknessRatio="8"
        android:useLevel="false">
        <!--set the size of the shape-->
        <size
            android:width="76dip"
            android:height="76dip" />
        <!--set the color gradients
            of the shape-->
        <gradient
            android:angle="0"
            android:endColor="#00ffffff"
            android:startColor="@color/color_highlight"
            android:type="sweep"
            android:useLevel="false" />
    </shape>
</rotate>