<?xml version="1.0" encoding="utf-8"?>   
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  
    android:orientation="vertical" android:layout_width="fill_parent"  
    android:layout_height="fill_parent">   
  
    <CheckBox android:layout_width="wrap_content"  
        android:layout_height="wrap_content" android:text="a checkBox" />   
  
    <CheckBox android:layout_width="wrap_content"  
        android:layout_height="wrap_content" android:text="checked checkBox"  
        android:checked="true" />   
    
    <CheckBox android:layout_width="wrap_content"  
        android:layout_height="wrap_content" android:text="new checkBox"  
        android:background="@drawable/checkBox_background" android:button="@drawable/checkBox" />   
  
   <CheckBox android:layout_width="wrap_content"  
        android:layout_height="wrap_content" android:text="new checked checkBox"  
        android:checked="true" android:background="@drawable/checkBox_background"  
        android:button="@drawable/checkBox" />   
  
</LinearLayout>  
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android=http://schemas.android.com/apk/res/android