geekofia_custom_progressbar.xml

<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
    android:pivotX="50%" android:pivotY="50%" android:fromDegrees="0"
    android:toDegrees="360">
    <shape android:shape="ring" android:innerRadiusRatio="3"
        android:thicknessRatio="8" android:useLevel="false">

        <size android:width="56dip" android:height="56dip" />

        <gradient android:type="sweep" android:useLevel="false"
            android:startColor="@android:color/transparent"
            android:endColor="#1e9dff"
            android:angle="0" />

    </shape>
</rotate>