k-9/res/layout/message.xml

<?xml version="1.0" encoding="utf-8"?>
<com.fsck.k9.view.SingleMessageView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/message_view"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:layout_weight="1">

    <!-- Header area -->
    <LinearLayout
        android:id="@+id/message_view_header_container"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">

        <include layout="@layout/message_view_header"/>

    </LinearLayout>

    <!-- Content area -->
    <com.fsck.k9.view.MessageWebView
        android:id="@+id/message_content"
        android:layout_height="0dip"
        android:layout_weight="1"
        android:layout_width="fill_parent"/>

    <com.fsck.k9.view.AccessibleWebView
        android:id="@+id/accessible_message_content"
        android:layout_height="wrap_content"
        android:layout_width="fill_parent"/>

    <!-- Attachments area -->
    <ScrollView
        android:id="@+id/attachments_container"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_weight="1">

        <LinearLayout
            android:id="@+id/inside_attachments_container"
            android:orientation="vertical"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content">

            <LinearLayout
                android:id="@+id/attachments"
                android:orientation="vertical"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:padding="4dip" />

            <Button
                android:id="@+id/show_hidden_attachments"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:text="@string/message_view_show_more_attachments_action"/>

            <LinearLayout
                android:id="@+id/hidden_attachments"
                android:orientation="vertical"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:padding="4dip"/>

        </LinearLayout>

    </ScrollView>

    <Button android:id="@+id/download_remainder"
        android:text="@string/message_view_download_remainder"
        android:layout_height="wrap_content"
        android:visibility="gone"
        android:layout_width="fill_parent"/>

</com.fsck.k9.view.SingleMessageView>