<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:customviews="http://schemas.android.com/apk/res/com.hmkcode.views"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:orientation="vertical"
    tools:context="com.hmkcode.views.MainActivity" 
    >

    <com.hmkcode.views.SimpleView
            android:id="@+id/simpleViewCircle"
            android:layout_width="140dp"
            android:layout_height="150dp"
            customviews:shape="circle"
            customviews:dim="70dp"
            android:layout_gravity="center_horizontal"
         />
    
     <com.hmkcode.views.SimpleView
            android:id="@+id/simpleViewSquare"
            android:layout_width="140dp"
            android:layout_height="140dp"
            customviews:shape="square"
            customviews:dim="140dp"
            android:layout_gravity="center_horizontal"
         />

     <TextView 
         android:id="@+id/tv"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center_horizontal"
         />
</LinearLayout>
