<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_checked="true"><shape android:shape="oval"><size android:width="22dp" android:height="22dp"/><solid android:color="#FFFFFFFF"/></shape></item>
    <item><shape android:shape="oval"><size android:width="22dp" android:height="22dp"/><solid android:color="#CCFFFFFF"/></shape></item>
</selector>
