Layer list circle

gistfile1.txt

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

    <item
        android:width="144dp"
        android:height="144dp"
        android:left="10dp"
        android:top="10dp">
        <shape android:shape="oval">
            <solid android:color="@color/white20" />

        </shape>
    </item>

    <item
        android:width="164dp"
        android:height="164dp">
        <shape android:shape="oval">
            <solid android:color="@color/white10" />

        </shape>
    </item>
    <item
        android:width="132dp"
        android:height="132dp"
        android:left="16dp"
        android:top="16dp">
        <shape android:shape="oval">
            <solid android:color="@color/white" />

        </shape>
    </item>
</layer-list>