k-9/res/layout/message_compose_attachment.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="54dip"
    android:paddingRight="6dip"
    android:paddingTop="6dip"
    android:paddingBottom="6dip">

    <ImageButton
        android:id="@+id/attachment_delete"
        android:src="@drawable/ic_delete"
        android:layout_alignParentRight="true"
        android:layout_height="42dip"
        android:layout_width="42dip" />

    <LinearLayout
        android:layout_width="1dip"
        android:layout_height="42dip"
        android:layout_alignParentLeft="true"
        android:layout_toLeftOf="@id/attachment_delete"
        android:layout_marginLeft="6dip"
        android:layout_marginRight="4dip"
        android:paddingLeft="36dip"
        android:gravity="center_vertical"
        android:background="?attr/messageViewAttachmentBackground"
        android:orientation="horizontal">

        <TextView
            android:id="@+id/attachment_name"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:textColor="?android:attr/textColorSecondary"
            android:singleLine="true"
            android:ellipsize="start"/>

        <ProgressBar
            android:id="@+id/progressBar"
            style="?android:attr/progressBarStyleSmall"
            android:layout_width="32dp"
            android:layout_height="fill_parent"
            android:layout_marginLeft="4dp"/>

    </LinearLayout>

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_email_attachment"
        android:layout_marginLeft="1dip"
        android:layout_centerVertical="true" />

</RelativeLayout>