Retrofit

// Registro
@Override
    public void onValidationSucceeded() {
//        Toast.makeText(SignUpActivty.this, "Todas las validaciones fueron resueltas", Toast.LENGTH_SHORT).show();
        SignUp signUp = new SignUp(
                inputName.getText().toString(),
                inputJob.getText().toString(),
                inputEmail.getText().toString(),
                inputUsername.getText().toString(),
                Utilities.md5(inputPassword.getText().toString()),
                "" + inputSex.getText().toString().charAt(0),
                inputBirthday.getText().toString(),
                inputCountry.getText().toString(),
                Integer.parseInt(currentIndustry.getIndustryId()),
                "PERSONA_INFLUYENTE",
                Collections.<Interest>emptyList(),
                null,
                null
        );
        String contentType = "application/json";
        progressDialog.show();
        Observable<Response<SignIn>> call = bCardAPI.addUser(contentType, signUp);
        subscription = call
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Subscriber<Response<SignIn>>() {
                    @Override
                    public void onCompleted() {
                        Log.d("onCompleted", "On completed");
                    }
                    @Override
                    public void onError(Throwable e) {
                        progressDialog.dismiss();
                        Toast.makeText(SignUpActivty.this, getString(R.string.toast_server_error), Toast.LENGTH_LONG).show();
                    }
                    @Override
                    public void onNext(Response<SignIn> signInResponse) {
                        String statusCode = signInResponse.body().getCode();
                        if (statusCode == null) {
                            sendWelcomeEmail(signInResponse.body());
                        } else {
                            switch (statusCode) {
                                case INTERNAL_SERVER_ERROR:
                                    Toast.makeText(SignUpActivty.this, getString(R.string.toast_internal_server_error), Toast.LENGTH_LONG).show();
                                    progressDialog.dismiss();
                                    break;
                                case SERVER_VALIDATION_EMAIL_ERROR:
                                    Toast.makeText(SignUpActivty.this, getString(R.string.toast_server_email_exists_error), Toast.LENGTH_LONG).show();
                                    if (!inputEmail.requestFocus()) {
                                        inputEmail.setSelection(inputEmail.getText().length());
                                    }
                                    progressDialog.dismiss();
                                    break;
                                case SERVER_VALIDATION_USER_NOT_COMPLETED_ERROR:
                                    Toast.makeText(SignUpActivty.this, getString(R.string.toast_server_name_not_completed_error), Toast.LENGTH_LONG).show();
                                    if (!inputName.requestFocus()) {
                                        inputName.setSelection(inputName.getText().length());
                                    }
                                    progressDialog.dismiss();
                                case SERVER_VALIDATION_USER_ERROR:
                                    Toast.makeText(SignUpActivty.this, getString(R.string.toast_server_user_exists_error), Toast.LENGTH_LONG).show();
                                    if (!inputUsername.requestFocus()) {
                                        inputUsername.setSelection(inputUsername.getText().length());
                                    }
                                    progressDialog.dismiss();
                                    break;
                                default:
                                    Log.d(TAG, "Opción no encontrada");
                            }
                        }
                    }
                });
    }
    
    // Inicio de sesión
    @Override
    public void onValidationSucceeded() {
        final String username = inputUsername.getText().toString();
        final String password = Utilities.md5(inputPassword.getText().toString());
        BCardAPI bCardAPI = ServiceGenerator.createService(BCardAPI.class);
        progressDialog.show();
        Observable<Response<SignIn>> call = bCardAPI.getUser(username, password);
        subscription = call
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Subscriber<Response<SignIn>>() {
                    @Override
                    public void onCompleted() {
                        Log.d(TAG, "Login completed");
                        progressDialog.dismiss();
                    }
                    @Override
                    public void onError(Throwable e) {
                        progressDialog.dismiss();
                        e.printStackTrace();
                        Toast.makeText(SignInActivity.this, getString(R.string.toast_server_error), Toast.LENGTH_SHORT).show();
                    }
                    @Override
                    public void onNext(Response<SignIn> signInResponse) {
                        Utilities.logInfo(TAG, signInResponse.toString());
                        if (signInResponse.body().getCode() != null && signInResponse.body().getCode().equals("200")) {
                            alertDialog.show();
                        } else {
                            // Guardar la informacion en el SharedPreferences
                            sessionManager.createLoginSession(username, password, signInResponse.body());
                            // Redireccionar a la pantalla de home
                            Intent intent = new Intent(SignInActivity.this, HomeActivity.class);
                            startActivity(intent);
                        }
                    }
                });
    }