public class LoginActivity extends BaseActivity implements LoginView {

    @BindView(R.id.company_name)
    protected EditText companyName_et;

    @BindView(R.id.email)
    protected EditText email_et;

    @BindView(R.id.password)
    protected EditText password_et;

    @BindView(R.id.submit)
    protected Button submit_btn;

    @Inject
    LoginPresenter loginPresenter;


    @Override
    protected int getContentView() {
        return R.layout.login_activity;
    }

    @Override
    protected void onViewReady(Bundle savedInstanceState, Intent intent) {
        super.onViewReady(savedInstanceState, intent);
        submit_btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String company=companyName_et.getText().toString();
                String username=email_et.getText().toString();
                String password=password_et.getText().toString();

                /*
                    I have to put the above String data
                    to my model class then i have to post the data to the server
                 */
                loginPresenter.passLoginDataToServer();
            }
        });

    }

    @Override
    public void onError(String s) {
        Toast.makeText(this, s, Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onSuccess(String s) {

    }

    @Override
    public void onResponse(Login login) {
        Log.e("-----",""+login.getUserId());
    }

    @Override
    protected void resolveDaggerDependency() {
        DaggerLoginComponent.builder().applicationComponent(getApplicationComponent()).loginModule(new LoginModule(this)).build().inject(this);
    }
}

public class LoginPresenter extends BasePresenter<LoginView>  implements Observer<Login>{

    @Inject
    CreateApiService createApiService;

    @Inject
    public LoginPresenter(){};

    public void  passLoginDataToServer(){
       /*
        when i hard code the data , i get the successful response.Like :
          String user="raj";
          String check="true";
          Map<String,String> headers=new HashMap();
          headers,put("xyz","pqr");
          Login loginObject = new Login("xyzs", "pqr","Qtch","mvp");
        */
       /*
       But I need the data here from my LoginActivity ? Dunno how to pass the data from LoginActivity to presenter
        */

       Observable<Login> loginObservable=createApiService.loginUser(user, check, headers, loginObject);
       subscribeToLogin(loginObservable,this);
   }

    @Override
    public void onSubscribe(Disposable d) {

    }

    @Override
    public void onNext(Login login) {
       getmView().onResponse(login);
    }

    @Override
    public void onError(Throwable e) {
        getmView().onError("Error "+e);
        Log.e("---",""+e);
    }

    @Override
    public void onComplete() {
        getmView().onSuccess("Successfully Loaded");
    }
}

public interface LoginView extends BaseView {

    void onError(String s);

    void onSuccess(String s);

    void onResponse(Login login);
}