private val smartApi =SmartApiFactory.createSmartApi(this)

private SmartApi smartApi = SmartApiFactory.INSTANCE.createSmartApi(this);

/**Read magnetic band*/
readMagnetic.setOnClickListener {

    smartApi.doTrans(ReadRequest("mx.com.netpay.demosdk"))
}

/**Read magnetic band*/
readMagnetic.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        smartApi.doTrans(new ReadRequest("mx.com.netpay.demosdk"));
    }
});

    )
}

override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
    if(data != null) {
        val response = when(requestCode) {
            Constants.READ_MAGNETIC_REQUEST-> smartApi.onResult(requestCode,resultCode,data) as ReadResponse  else -> null
        }
        tvResponse.text = Gson().toJson(response)
    }
}

@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if(data != null) {
            BaseResponse response = null;
            switch (requestCode) {
                case Constants.READ_MAGNETIC_REQUEST:
                    response = (ReadResponse) smartApi.onResult(requestCode, resultCode, data);
                    break;
            }
            if (response != null) {
                responseTv.setText(new Gson().toJson(response));
            }
        }
}

printButton.setOnClickListener(View.OnClickListener {
            //Create a Page
            val page = smartApi.createPage()
            //Create unit containing text and other formats
            val unit1 = page.createUnit()
            unit1.text = "nuevo Texto 1"
            unit1.gravity = Gravity.START
            // 2 or more units can be added to a line and it will be split into columns
            val unit2 = page.createUnit()
            unit2.text = "nuevo Texto 2"
            unit2.gravity = Gravity.END
            //Create a line and add its units.
            page.addLine().addUnit(unit1).addUnit(unit2)
            //Create a new unit
            val unit3 = page.createUnit()
            unit3.text = "nuevo texto 3"
            unit3.gravity = Gravity.CENTER
            //Create a new line and add the passed unit
            page.addLine().addUnit(unit3)
            //A request of the type PrintRequest is created with the package name of the app and the created page


            page.addLine().addUnit(page.createUnit().apply {
                text = ""
                bitmap = logoBitmap(R.drawable.qr)
                gravity = Gravity.CENTER
            })



            val unit4 = page.createUnit()
            unit4.text = "Texto 4"
            unit4.gravity = Gravity.CENTER
            page.addLine().addUnit(unit4)


            val printRequest = PrintRequest("mx.com.netpay.demosdk", page)
            smartApi.doTrans(printRequest)
  })