core/tests/coretests/res/layout/zero_sized.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2007, The Android Open Source Project
**
** 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.
*/
-->

<!-- Demonstrates changing view visibility. See corresponding Java code. -->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <View android:id="@+id/dimension"
        android:background="#ffff0000"
        android:layout_width="42dip"
        android:layout_height="42dip" />

    <View android:id="@+id/noWidth"
          android:background="#ff00ff00"
        android:layout_width="0dip"
        android:layout_height="42dip" />

    <View android:id="@+id/noHeight"
          android:background="#ff0000ff"
        android:layout_width="42dip"
        android:layout_height="0dip" />

    <View android:id="@+id/noDimension"
        android:background="#ffffffff"
        android:layout_width="0dip"
        android:layout_height="0dip" />

</LinearLayout>