viewmodel

public class MovieViewModel extends ViewModel {

    private MutableLiveData<ResponseMovie> responseMovieMutableLiveData;

    public void initMovie() {
        if (responseMovieMutableLiveData != null) {
            return;
        }
        MovieRepo movieRepo = MovieRepo.getInstancemovie();
        responseMovieMutableLiveData = movieRepo.getMovies();
    }

    public LiveData<ResponseMovie> getMoviesModel() {
        return responseMovieMutableLiveData;
    }

    //TVSHOW
    private MutableLiveData<ResponseTvShow> responseTvShowMutableLiveData;

    public void initTvShow() {
        if (responseTvShowMutableLiveData != null) {
            return;
        }
        TvShowRepo tvShowRepo = TvShowRepo.getInstance();
        responseTvShowMutableLiveData = tvShowRepo.getTVShow();
    }

    public LiveData<ResponseTvShow> getTvShowsModel() {
        return responseTvShowMutableLiveData;
    }
}