res/drawable/progressbar.xml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
   3         <item android:id="@android:id/background">
   4                 <shape android:shape="ring">
   5                         <gradient android:startColor="#0000ff" android:centerColor="#33ccff"
   6                                 android:endColor="#000033" />
   7                 </shape>
   8         </item>
   9 </layer-list>