private void fetchMovieImagesIfNeeded(final int callingId, String parameter) {
Preconditions.checkNotNull(parameter, "id cannot be null");
MovieWrapper movie = MMoviesApp.get().getState().getMovie(parameter);
if (movie != null && MoviesCollections.isEmpty(movie.getBackdropImages())) {
fetchMovieImages(callingId, parameter);
}
}
@Override
public void populateUi(MovieImagesView view, String parameter) {
final MovieWrapper movie = MMoviesApp.get().getState().getMovie(parameter);
if (movie != null && !MoviesCollections.isEmpty(movie.getBackdropImages())) {
view.setData(Collections.unmodifiableList(movie.getBackdropImages()));
}
}