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"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<!-- This is our one standard application action (creating a new note). -->
<item android:id="@+id/menu_add"
android:icon="@drawable/ic_menu_compose"
android:title="@string/menu_add"
android:alphabeticShortcut='a'
android:showAsAction="always" />
<!-- If there is currently data in the clipboard, this adds a PASTE menu item to the menu
so that the user can paste in the data.. -->
<item android:id="@+id/menu_paste"
android:icon="@drawable/ic_menu_compose"
android:title="@string/menu_paste"
android:alphabeticShortcut='p' />
</menu>