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Questions tagged [barcode-scanner]

A barcode reader (or barcode scanner) is an electronic device for reading printed barcodes. It consists of a light source, a lens and a light sensor translating optical impulses into electrical ones.

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Xcode iOS barcode scanner in background mode using Apple Vision framework

I'm looking to see if it's possible to build iOS barcode scanner with Apples vision framework (Xcode, swift). I know how to build a barcode scanner when view controller is active, However I'm looking to see if somehow its possible to scan without a…
dweb
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How to integrate barcode scanner with tkinter GUI application in python?

When I run the below code. The camera opens and we can read the barcode. What I need is that the camera window remains at the side of my Tkinter GUI application rather than poping up. Here's the code from imutils.video import VideoStream from pyzbar…
Tahil Bansal
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java prinitng barcodes dev env issue

This is something very specific and hard to look up but maybe someone out there has had this issue or has some directions to point me into figuring this issue out. So I have a java application(1.6) that will print out some data that includes a…
testItAll
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TextChanged event prepending an extra digit to the entered number

I have a mobile app written in Xamarin.Forms. I am scanning a barcode which is attached to the mobile through USB. I am not using any sdk to read the barcode instead I have a focus on a textbox as soon as the user opens the scanning page. The…
RL89
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Unknown encoding error when parsing DataMatrix with ISO-8859-1 encoding

Developing an Android application to scan Data Matrix codes using Google's MLKit, I'm unable to parse codes with data encoded in ISO-8859-1 encoding and containing Non-ASCII characters. Here's an example: DataMatrix failing with ML Kit val options =…
Dirk Spöri
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iOS barcode scanner App crashes with no crash log

I am trying to make a barcode scanner app. As soon as the camera session begins, the app crashes within a few seconds. I am unable to find the reason behind this. and, how to fix this one. I have used https://www.appcoda.com/barcode-reader-swift/…
Akaanksha
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Kotlin can a fragment trigger an activity's onNewIntent

I'm currently developing a scanner app which uses the Zebra SDK. In the samples and documentations that I found, an onTouchListener creates a new Intent (the scan) and broadcasts it. In the overridden onNewIntent method, the intent gets decoded and…
Cevdam
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Android Emulator - generate intent / simulate barcode scanner

Is it possible to configure the emulator to raise a specified broadcast intent? I'm using physical devices which have a button enabled barcode scanner. Data is then received by the application via a broadcast intent. I have simulated this by…
IntoTheBlue
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DOM Reloads on Barcode Scanner Input

I have an application which works with a barcode scanner. The barcode scanner communicates with the computer in a way an external keyboard would, so I've put a keydown event listener on the DOM to capture input from the barcode scanner and mark a…
Mighty
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Set focus on entry that is not visible in pyGTK

I want to set focus on entry that is not visible in pyGTK for a barcode scanner. If I set entry to visible false then I get this error when setting focus on it. /home/samuel/visitors-book/visitors_book/__init__.py:60: GtkWarning:…
Samuel Taylor
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Bluetooth Scanner with Python Support (Windows 10)

I'm working on developing a Inventory / POS Management software. I'm developing this in Python using PyQt5. I've been looking for a Barcode Scanner that works with Python in a Windows 10 environment. Ideally, I'm looking for one that includes a way…
Kevin Hua
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Qr & Barcode Reader javascript documentation for html5

I want to make an input where it can be automatically filled in after scanning a QR or barcode scanner using a webcam or phone cam. for the script I imagined something like this
Dyan Bent
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How to feed the output of a barcode scanner into two systems?

I have a ds4308 barcode scanner and have to feed the output of a scanner into two systems like one PC and one Raspberry Pi. How to do it?
RAHUL MONDAL
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Next field key on Android keyboard

I have an Android device with an integrated barcode scanner. It is configured to add a tab character suffix so that focus should move to the next field in a form, but it fails to do so. Instead, an actual tab character is inserted in the text…
DSav
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PowerScan send beep signal

I'm trying to send signal to barcodescanner Datalogic PowerScan PM9500 The manual says that to turn on the green LED I need sent ESC[6q ESC[3q ESC[7q message my code: import serial SERIAL_PORT = serial.Serial('COM4', 9600,…
Kirill Kriachenko
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