private void notifyOnNavigationPreferenceAdded(
            @NonNull final NavigationPreference navigationPreference) {
        for (NavigationListener listener : navigationListeners) {
            listener.onNavigationPreferenceAdded(navigationPreference);
        }
    }
private void notifyOnNavigationPreferenceAdded ( @ NonNull final NavigationPreference navigationPreference ) { for ( NavigationListener listener : navigationListeners ) { listener . onNavigationPreferenceAdded ( navigationPreference ) ; } }
Notifies all registered listeners, that a navigation preference has been added to the
activity.

@param navigationPreference
The navigation preference, which has been added, as an instance of the class {@link
NavigationPreference}. The navigation preference may not be null