Imagebutton ...

Merhaba,

"drawable" Klasörüne New -> Drawable resource file de dosya adına "bordered" sonra aşağıda ki kodları yapıştır. 

<?xml version="1.0" encoding="utf-8"?>
<shape
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="oval">
    <padding
        android:bottom="5dp"
        android:left="5dp"
        android:right="5dp"
        android:top="5dp" />
    <solid android:color="#FFFFFF" />
</shape>

2. Aşama 

1 adet RelativeLayout oluştur içerisine aşağıda ki kodları ekle,

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:windowNoTitle="false">

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:background="#0d293e" />

    <ImageView
        android:id="@+id/imageView2"
        android:layout_width="120dp"
        android:layout_height="120dp"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="30dp"
        android:background="@drawable/bordered"
        android:gravity="center" />

    <ImageView
        android:id="@+id/imageView3"
        android:layout_width="80dp"
        android:layout_height="80dp"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_marginBottom="31dp"
        android:layout_marginLeft="10dp"
        android:background="#246e0e" />

    <ImageView
        android:id="@+id/imageView4"
        android:layout_width="80dp"
        android:layout_height="80dp"
        android:layout_alignParentEnd="true"
        android:layout_alignParentRight="true"
        android:layout_alignTop="@+id/imageView3"
        android:layout_marginRight="10dp"
        android:background="#246e0e" />
</RelativeLayout>

Sonuç;