TestController.php

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\RedirectResponse;

class UserController extends Controller
{
    /**
     * @extra:Template()
     */
    public function indexAction()
    {
      $form = GoalForm::create($this->get('form.context'), 'auth_goal');

      $form->bind($this->container->get('request'), $form);
      if ($form->isValid()) {
        $form->send($this->get('mailer'));

        $this->get('session')->setFlash('notice', 'Message sent!');

        return new RedirectResponse($this->generateUrl('homepage'));
      }

      return array('form' => $form);
    }

    /**
     * @extra:Template()
     */
    public function profileAction()
    {
      $factory = $this->get('form.factory');
      $form = $factory->create(new TestIntegerFormType());
      if ($this->get('request')->getMethod() === 'POST') {
        $form->bindRequest($this->get('request'));
        $this->get('session')->setFlash('notice', 'integerField is ' . $form->get('integerField')->getData());

        return new RedirectResponse($this->generateUrl('integerFieldPage'));
      }
      return array('form' => $form->createView());
    }
}

TestIntegerFormType.php

use Symfony\Component\Form\FormBuilder;
use Symfony\Component\Form\Type\AbstractType;


class TestIntegerFormType extends AbstractType
{
    public function buildForm(FormBuilder $builder, array $options)
    {
        $builder
            ->add('integerField', 'integer')
              ;
    }

    public function getName()
    {
        return 'integerform';
    }
}