unchecked_shape_drawable.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <shape android:shape="oval"
            android:thickness="5dp"
            android:useLevel="false">
            <stroke android:color="#8cff91a4" android:width="10dp"/>
           <solid android:color="#80000000"/>
            <size android:width="100dp" android:height="100dp"/>
            <padding android:right="10dp" android:left="10dp" android:bottom="10dp" android:top="10dp"/>
        </shape>
    </item>
</layer-list>