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05/27 21:45:14: Launching 'PrinterManager' on Urovo DT40.
$ adb shell am start -n "com.example.printersample/com.example.printersample.PrinterManagerActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Waiting for process to come online...
Connected to process 8186 on device 'urovo-dt40-4923be62'.
Capturing and displaying logcat messages from application. This behavior can be disabled in the "Logcat output" section of the "Debugger" settings page.
I/Adreno: QUALCOMM build : f161b04, I0380b38922
Build Date : 04/06/19
OpenGL ES Shader Compiler Version: EV031.25.03.03
Local Branch :
Remote Branch :
Remote Branch :
Reconstruct Branch :
Build Config : S L 6.0.7 AArch64
I/Adreno: PFP: 0x005ff110, ME: 0x005ff066
I/ConfigStore: android::hardware::configstore::V1_0::ISurfaceFlingerConfigs::hasWideColorDisplay retrieved: 0
I/ConfigStore: android::hardware::configstore::V1_0::ISurfaceFlingerConfigs::hasHDRDisplay retrieved: 0
I/OpenGLRenderer: Initialized EGL, version 1.4
D/OpenGLRenderer: Swap behavior 2
I/mPrinterManager: ------- position -------0
I/mPrinterManager: ------- mBarcodeTypeValue -------3
D/PrinterManagerActivity: ---------set PrinterSpeed = 1
D/AndroidRuntime: Shutting down VM
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.printersample, PID: 8186
java.lang.RuntimeException: stub
at android.device.PrinterManager.open(PrinterManager.java:79)
at com.example.printersample.PrinterManagerActivity.getPrinterManager(PrinterManagerActivity.java:308)
at com.example.printersample.PrinterManagerActivity.access$200(PrinterManagerActivity.java:36)
at com.example.printersample.PrinterManagerActivity$2.onClick(PrinterManagerActivity.java:148)
at android.view.View.performClick(View.java:6597)
at android.view.View.performClickInternal(View.java:6574)
at android.view.View.access$3100(View.java:778)
at android.view.View$PerformClick.run(View.java:25896)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6747)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:860)

Issue #3 was closed without giving any solution, but I still meet the same problem like #3.

currentY = printerManager.drawBarcode(messageToPrint, stringFromX, stringFromY, barCodeType, barCodeWidth, barCodeHeight, rotation);

I don't now why, but if i start with
messageToPrint == "4006127013035",
stringFromX == 0,
stringFromY == 0,
barCodeType == 13,
barCodeWidth == 3,
barCodeHeight == 60,
rotation == 0,
then nothing not going on. Errors does not appears, currentY always 0, and nothing does n't printing!

Please help!!!

Demo app PICCManager crashes when click open button, throw RuntimeException: stub. Any help?

How to turn off Automatically add a newline at the end of the scanned string?

Hello!
I`m using UROVO DT40 and trying to use integrated scanner. So after this some searchs found only this repo. After some look on ScanManager Sample found that you register broadcast to get result after result, but cant find realise for register(unregister) broadcast. Because there is no reference on this method. IDE found problem that there is not function with this parameters, but if build and run app - everything is fine.
PROBLEM: Cant understand how to register broadcast reciver for scanned code.

private void registerReceiver(boolean register) {
        if (register && mScanManager != null) {
            IntentFilter filter = new IntentFilter();
            int[] idbuf = new int[]{PropertyID.WEDGE_INTENT_ACTION_NAME, PropertyID.WEDGE_INTENT_DATA_STRING_TAG};
            String[] value_buf = mScanManager.getParameterString(idbuf);
            if (value_buf != null && value_buf[0] != null && !value_buf[0].equals("")) {
                filter.addAction(value_buf[0]);
            } else {
                filter.addAction(ACTION_DECODE);
            }
            filter.addAction(ACTION_CAPTURE_IMAGE);

            registerReceiver(mReceiver, filter); // <- THIS ONE
        } else if (mScanManager != null) {
            mScanManager.stopDecode();
            unregisterReceiver(mReceiver); // <- AND THIS 
        }
    }

I need help, I have followed the steps based on the examples for writing mifare classic 1k cards NFC blocks, but the "m1_writeBlock" method always returns -1. Is there a way to trace the error and know what happens?

Thanks.

import android.device error while import device package

import android.device.scanner.configuration.Constants;
import android.device.scanner.configuration.PropertyID;
import android.device.scanner.configuration.Symbology;
import android.device.scanner.configuration.Triggering;

please explain 3DES encryption ECB with sample code . you save my week if helping

thanks

Hi Team
I have a problem. I don't have received the data result when scanner the QRcode by DT50 Devices.

It doesn't the listener function
// Get scan results, including string and byte data etc.
byte[] barcode = intent.getByteArrayExtra(DECODE_DATA_TAG);
int barcodeLen = intent.getIntExtra(BARCODE_LENGTH_TAG, 0);
byte temp = intent.getByteExtra(BARCODE_TYPE_TAG, (byte) 0);
String barcodeStr = intent.getStringExtra(BARCODE_STRING_TAG);
if (mScanCaptureImageShow) {
// Request images of this scan
context.sendBroadcast(new Intent(ACTION_DECODE_IMAGE_REQUEST));
}
LogI("barcode type:" + temp);
String scanResult = new String(barcode, 0, barcodeLen);
// print scan results.
scanResult = " length：" + barcodeLen + "\nbarcode：" + scanResult + "\nbytesToHexString：" + bytesToHexString(barcode) + "\nbarcodeStr:" + barcodeStr;
Message msg = mHandler.obtainMessage(MSG_SHOW_SCAN_RESULT);
msg.obj = scanResult;
mHandler.sendMessage(msg);

Hello,
It seems that your SDK does not support text justification. For example, we want to print from the right side of the paper instead of the left hand side:

Hello
Hello (must be printed at right)

Printing first Hello at the left is OK, but how to print the second Hello at the right?

运行ScanManager直接crash报错：求群主帮忙解决

Caused by: java.lang.RuntimeException: stub
at android.device.ScanManager.getScannerState(ScanManager.java:258)
at com.scan.demo.ScanManagerDemo.initScan(ScanManagerDemo.java:457)
at com.scan.demo.ScanManagerDemo.onResume(ScanManagerDemo.java:769)
at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1269)
at android.app.Activity.performResume(Activity.java:6789)

I have used MagManager sample for swiping card & get information. But what is the next step to perform for PIN verification & pay some amount to merchant? Please share some flow or detailed documentation.

PrinterManagerActivity.java line 304 mPrinterManager.open();
error:
2020-09-17 11:22:01.802 24355-24370/com.example.printersample E/AndroidRuntime: FATAL EXCEPTION: Thread-2
Process: com.example.printersample, PID: 24355
java.lang.RuntimeException: stub
at android.device.PrinterManager.open(PrinterManager.java:79)
at com.example.printersample.PrinterManagerActivity.getPrinterManager(PrinterManagerActivity.java:304)
at com.example.printersample.PrinterManagerActivity.access$200(PrinterManagerActivity.java:35)
at com.example.printersample.PrinterManagerActivity$CustomThread$1.handleMessage(PrinterManagerActivity.java:513)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at com.example.printersample.PrinterManagerActivity$CustomThread.run(PrinterManagerActivity.java:522)

Hi,
In my project, when I want to use SDK with a DT50, I have this message, on the PiccReader open :
--> Failed to open 'libpicc_jni.so'

Is this a known issue ? I have no problem with other models...

Thanks.

Could you help me?

I get this error after running the example (Samples/ScanManager):

is there any way to print a receipt using flutter app

When I scan the below 2 barcodes using a P8100 device I get the barcode data correctly but barcode type it returns NONE. Although when I scan the same 2 barcodes using a DT50 device then I get barcode type as QRCODE and DATAMATRIX respectively. I assumed that the Urovo Scanner SDK will return the same barcode type on every Urovo Scanner device.

GS1 QR Code - https://barcode.tec-it.com/en/GS1QRCode?data=010123456789012890TEC-IT%5CF8200https%3A%2F%2Fwww.tec-it.com&translate-esc=true&eclevel=L&dmsize=Default
GS1 DataMatrix - https://barcode.tec-it.com/en/GS1DataMatrix?data=01012345678901281721022110ABCD1234%5CF217654&translate-esc=true&eclevel=L&dmsize=Default

According to readme:
"""Need more information about getting started with Urovo Android device? Check the [official docs][getting-started]."""

But where are they?

Hi!

We are trying to use PiccManager's apduTransmit method to send extended APDU command, but run in to the following error:

FORTIFY: memcpy: prevented 792-byte write into 512-byte buffer

Does 512-byte limit that is imposed by apduTransmit method comes from software or hardware?

We are using Urovo i9000S running Android 8.1.0