<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/libs/com.mikhaellopez.circularimageviewsample"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:gravity="center"
    android:orientation="vertical" >

    <com.mikhaellopez.circularimageview.CircularImageView
        android:layout_width="250dp"
        android:id="@+id/avatar"
        android:layout_height="250dp"
        android:src="@drawable/abc"
        app:border="true"
        app:border_color="@color/GrayLight"
        app:border_width="4dp"
        app:shadow="true" />

</LinearLayout>