res/layout/conversation_list_actionbar.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
    * Copyright (C) 2011 Google Inc.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *      http://www.apache.org/licenses/LICENSE-2.0
    *
    * Unless required by applicable law or agreed to in writing, software
    * distributed under the License is distributed on an "AS IS" BASIS,
    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    * See the License for the specific language governing permissions and
    * limitations under the License.
-->

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/custom_title_root"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:gravity="right"
    android:orientation="horizontal">

    <TextView
        android:id="@+id/unread_conv_count"
        android:maxLines="1"
        android:singleLine="true"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:textColor="#ccffffff"
        android:layout_gravity="center_vertical"
        android:paddingRight="10dip"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</LinearLayout>