todo‑mvp not sure this is intentional or something else

Notice 2 onClick() callbacks, the mPresenter.addNewTask() is basicly call view#showAddTask().
Should we call mPresenter.addNewTask() in these 2 callbacks or I'm missing something?

https://github.com/googlesamples/android-architecture/blob/30f7c5a16bb0854e003530e81403e922e745d311/todoapp/app/src/main/java/com/example/android/architecture/blueprints/todoapp/tasks/TasksFragment.java#L120-L137

https://github.com/googlesamples/android-architecture/blob/30f7c5a16bb0854e003530e81403e922e745d311/todoapp/app/src/main/java/com/example/android/architecture/blueprints/todoapp/tasks/TasksPresenter.java#L185-L188