tt-rss-android/res/menu/headlines_action_menu.xml

<menu xmlns:android="http://schemas.android.com/apk/res/android" >

    <item
        android:id="@+id/selection_toggle_unread"
        android:showAsAction="ifRoom"
        android:icon="@drawable/ic_undo_light"
        android:title="@string/selection_toggle_unread"/>

    <item
        android:id="@+id/selection_toggle_marked"
        android:icon="@drawable/ic_unimportant_light"
        android:showAsAction="ifRoom"
        android:title="@string/selection_toggle_marked"/>

    <item
        android:id="@+id/selection_toggle_published"
        android:icon="@drawable/ic_menu_publish_light"
        android:showAsAction="ifRoom"
        android:title="@string/selection_toggle_published"/>

</menu>