<?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android"> <item android:id="@+id/next_message" android:title="@string/next_action" android:icon="?attr/iconActionNextMessage" android:showAsAction="always" /> <item android:id="@+id/previous_message" android:title="@string/previous_action" android:icon="?attr/iconActionPreviousMessage" android:showAsAction="always" /> </menu>