@Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {

    if (requestCode == MercadoPago.PAYMENT_METHODS_REQUEST_CODE) {
      if (resultCode == RESULT_OK) {

        // Set payment method
        PaymentMethod paymentMethod =
            JsonUtil.getInstance()
                .fromJson(data.getStringExtra("paymentMethod"), PaymentMethod.class);

        // Call new card activity
        ExamplesUtils.startCardActivity(
            this, ExamplesUtils.DUMMY_MERCHANT_PUBLIC_KEY, paymentMethod);
      } else {

        if ((data != null) && (data.getStringExtra("apiException") != null)) {
          Toast.makeText(
                  getApplicationContext(), data.getStringExtra("apiException"), Toast.LENGTH_LONG)
              .show();
        }
      }
    } else if (requestCode == ExamplesUtils.CARD_REQUEST_CODE) {
      if (resultCode == RESULT_OK) {

        // Create payment
        ExamplesUtils.createPayment(
            this,
            data.getStringExtra("token"),
            1,
            null,
            JsonUtil.getInstance()
                .fromJson(data.getStringExtra("paymentMethod"), PaymentMethod.class),
            null);

      } else {

        if (data != null) {
          if (data.getStringExtra("apiException") != null) {

            Toast.makeText(
                    getApplicationContext(), data.getStringExtra("apiException"), Toast.LENGTH_LONG)
                .show();

          } else if (data.getBooleanExtra("backButtonPressed", false)) {

            new MercadoPago.StartActivityBuilder()
                .setActivity(this)
                .setPublicKey(ExamplesUtils.DUMMY_MERCHANT_PUBLIC_KEY)
                .setSupportedPaymentTypes(mSupportedPaymentTypes)
                .startPaymentMethodsActivity();
          }
        }
      }
    } else if (requestCode == MercadoPago.CONGRATS_REQUEST_CODE) {

      LayoutUtil.showRegularLayout(this);
    }
  }
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_issuers);
    mActivity = this;
    Toolbar mActionBarToolbar = (Toolbar) findViewById(R.id.toolbar);
    mActionBarToolbar.setTitle(R.string.title_activity_issuers);

    mMerchantPublicKey = getIntent().getStringExtra("merchantPublicKey");
    mSelectedPaymentMethod =
        JsonUtil.getInstance()
            .fromJson(getIntent().getStringExtra("paymentMethod"), PaymentMethod.class);

    mMercadoPago =
        new MercadoPago.Builder().setContext(this).setPublicKey(mMerchantPublicKey).build();

    LayoutUtil.showProgressLayout(this);
    getIssuersAsync(mSelectedPaymentMethod, this.mMerchantPublicKey);
  }