1<selector xmlns:android="http://schemas.android.com/apk/res/android">
2    <item>
3        <shape android:shape="oval">
4            <size android:width="56dp" android:height="56dp"/>
5            <stroke android:width="1dp" android:color="?attr/colorControlNormal" />
6        </shape>
7    </item>
8</selector>
9