<?xml version="." encoding="utf-"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:orientation="vertical" >
   <RadioButton
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     android:layout_centerInParent="true"
     android:button="@null"
     android:drawableTop="@drawable/ic_launcher"
     android:text="Test Button" />
 </RelativeLayout>