app/src/syncbase2/res/menu/menu_share.xml

<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    tools:context="io.v.todos.TodoListActivity">
    <item
        android:id="@+id/action_share"
        android:orderInCategory="101"
        android:title="@string/action_share"
        android:icon="@drawable/ic_person_add_white_24dp"
        android:showAsAction="always" />
</menu>