SpyWebView / app / src / main / res / drawable / shape_circle_btn.xml

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

    <stroke android:color="@color/colorPrimary" android:width="10dp" />
    <solid android:color="@color/colorPrimaryDark" />
</shape>