samples/ApiDemos/res/layout/marquee.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- 
 * Copyright (C) 2008 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.
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent" 
    android:layout_height="match_parent">
    
    <Button
        android:layout_width="150dip" 
        android:layout_height="wrap_content"
        android:text="@string/marquee_default"
        android:singleLine="true"
        android:ellipsize="marquee"/>
        
    <Button
        android:layout_width="150dip" 
        android:layout_height="wrap_content"
        android:text="@string/marquee_once"
        android:singleLine="true"
        android:ellipsize="marquee"
        android:marqueeRepeatLimit="1"/>
        
    <Button
        android:layout_width="150dip" 
        android:layout_height="wrap_content"
        android:text="@string/marquee_forever"
        android:singleLine="true"
        android:ellipsize="marquee"
        android:marqueeRepeatLimit="marquee_forever"/>  
           
</LinearLayout>