NetworkRequest.java

commonApiService.sendOtp(phone)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(login -> {
                    if (!isViewAttached()) {
                        return;
                    }
                    getMvpView().hideLoading();
                    if (login != null && login.getSuccess() != null) {
                        if (login.getSuccess()) {
                            getMvpView().showMessage(login.getMessage());
                            getMvpView().launchVerifyOtpActivityWithPhone();
                        } else {
                            getMvpView().showError(login.getMessage());
                        }
                    }
                }, throwable -> {
                    if (!isViewAttached()) {
                        return;
                    }
                    getMvpView().hideLoading();
                    Timber.e(throwable);
                    getMvpView().showError(throwable.getMessage());
                });