CountriesViewModel.java 文件源码

@MainThread
@NonNull
LiveData<Response<List<Country>>> getMoviesList() {
    if (countriesLiveData == null) {
        countriesLiveData = new MutableLiveData<>();
        countriesRepository.getCountries()
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .doOnSubscribe(disposable -> loadingLiveData.setValue(true))
                .doAfterTerminate(() -> loadingLiveData.setValue(false))
                .subscribe(
                        countries1 -> countriesLiveData.setValue(Response.success(countries1)),
                        throwable -> countriesLiveData.setValue(Response.error(throwable))
                );
    }
    return countriesLiveData;
}