The file containing the source code shown below is located in the corresponding directory in <sdk>/samples/android-<version>/...
<?xml version="1.0" encoding="utf-8"?>
<!--
/* Copyright 2007, The Android开源工程
**
** 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.
*/
-->
<resources>
<declare-styleable name="ApplicationsStackLayout">
<attr name="stackOrientation">
<enum name="horizontal" value="0" />
<enum name="vertical" value="1" />
</attr>
<attr name="marginLeft" format="dimension" />
<attr name="marginTop" format="dimension" />
<attr name="marginRight" format="dimension" />
<attr name="marginBottom" format="dimension" />
</declare-styleable>
</resources>