Android Studio Connection Database using JSON

I'm having the following problem, I'm making an app that contains login and user registration and I'm using code in PHP and JSON for this. But I checked my Response.Listener is never called, the execution jumps it ... The code that is on the Main:

Response.Listener<String> responseListener = new Response.Listener<String>() {
                @Override
                public void onResponse(String response) {
                    try {

                        Toast.makeText(Register.this, "entrou", Toast.LENGTH_SHORT).show();

                        JSONObject jsonObject = new JSONObject(response);
                        boolean success = jsonObject.getBoolean("success");

                        if(success)
                        {
                            Toast.makeText(Register.this, "Entrou", Toast.LENGTH_SHORT).show();
                        }
                        else
                        {
                            Toast.makeText(Register.this, "Erro", Toast.LENGTH_SHORT).show();
                        }

                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                }
            };

And this is my RegisterRequest:

public class RegisterRequest extends StringRequest {

private static final String REGISTER_REQUEST_URL = "kameo.com.br/control/ayzac_control_signin_mobile.php";
private Map<String, String> params;

public RegisterRequest(String email, String name, String nickname, String password, String date, String gender, Response.Listener<String> listener)
{
    super(Method.POST, REGISTER_REQUEST_URL, listener, null);
    params = new HashMap<>();
    params.put("userEmail", email);
    params.put("userName", name);
    params.put("userNickname", nickname);
    params.put("userPassword", password);
    params.put("userBirth", date);
    params.put("userGender", gender);
}

@Override
public Map<String, String> getParams() {
    return params;
}
}