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 (C) 2008 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.
-->
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<!-- This group uses the default category. -->
<group android:id="@+id/most_used_items">
<item android:id="@+id/last_most_item"
android:orderInCategory="10"
android:title="@string/last_most_often" />
<item android:id="@+id/middle_most_item"
android:orderInCategory="7"
android:title="@string/middle_most_often" />
<item android:id="@+id/first_most_item"
android:orderInCategory="4"
android:title="@string/first_most_often" />
</group>
<!-- This group uses the secondary category, which is used for less oftenly used items.
Notice these items will show up after the above items.
(Furthermore, notice how the orders in each category are independent from the other
category.) -->
<group android:id="@+id/least_used_items"
android:menuCategory="secondary">
<item android:id="@+id/last_least_item"
android:orderInCategory="3"
android:title="@string/last_least_often" />
<item android:id="@+id/middle_least_item"
android:orderInCategory="2"
android:title="@string/middle_least_often" />
<item android:id="@+id/first_least_item"
android:orderInCategory="0"
android:title="@string/first_least_often" />
</group>
</menu>