repositoryErrorNotSended = true;
        activityRepository.getAllActivities(u)
                .doOnError(e -> repositoryError(e))
                .onErrorResumeNext(Observable.empty())
                .subscribe(r -> {
                        if (fromRemoteStorage)
                            view().onDataUpdate(r);
                        else
                            view().onDataLoad(r);
                });
        activityRepository.getCloudBalance(u)
                .doOnError(e -> repositoryError(e))
                .onErrorResumeNext(Observable.empty())
                .subscribe(r -> {
                        u.setBalance(r);
                        view().onUserInfoLoad(u);
                });




private boolean repositoryErrorNotSended = true;
    private void repositoryError(Throwable throwable) {
        if (throwable != null) {
            view().hideProgress();
            if (repositoryErrorNotSended) {
                repositoryErrorNotSended = false;
                view().showNetworkExceptionError();
            }
        }
    }