res/layout/item_calllist.xml

<?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:background="@drawable/item_call_selector" >

    <RelativeLayout
        android:id="@+id/call_entry"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_alignParentLeft="true"
        android:clickable="true"
        android:layout_toLeftOf="@+id/expand_button" >

        <TextView
            android:id="@+id/call_title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:layout_alignParentTop="true"
            android:text="Large Text"
            android:textAppearance="?android:attr/textAppearanceLarge" />

        <TextView
            android:id="@+id/call_status"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:layout_below="@+id/call_title"
            android:text="Medium Text"
            android:textAppearance="?android:attr/textAppearanceMedium" />
    </RelativeLayout>

    <ImageButton
        android:id="@+id/expand_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_centerVertical="true"
        android:background="@null"
        android:focusable="false"
        android:focusableInTouchMode="false"
        android:src="@drawable/up_arrow" />

</RelativeLayout>