mTasksViewModel.getSnackbarMessage().observe(this, new SnackbarMessage.SnackbarObserver() {
            @Override
            public void onNewMessage(@StringRes int snackbarMessageResourceId) {
                SnackbarUtils.showSnackbar(getView(), getString(snackbarMessageResourceId));
            }
});

 ListView listView =  mTasksFragBinding.tasksList;

        mListAdapter = new TasksAdapter(
                new ArrayList<Task>(0),
                mTasksViewModel
        );
listView.setAdapter(mListAdapter);

mTasksViewModel = TasksActivity.obtainViewModel(getActivity());
mTasksFragBinding.setViewmodel(mTasksViewModel);