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I was just wondering, when I was trying to generate a QR to share for a pdf, why can't we save the pdf itself in a short compressed form as a QR and share it with someone and they can extract and ...
Spatel's user avatar
  • 1
1 vote
0 answers
75 views

https://unpkg.com/html5-qrcode html5 qrcode used in google app script web app <button class="btn btn-light fw-bold" style="position:absolute;right:2%;" onclick="...
Nikhil Patel's user avatar
  • 11
Advice
1 vote
1 replies
57 views

In my application, QR codes are placed at fixed physical locations, and some users are trying to bypass the intended usage by copying the QR code image and scanning it from a different position or ...
Shamith Kumar's user avatar
  • 1
0 votes
0 answers
57 views

Failing in GitBash when trying to use python to generate a QR Code. Fails on the print line. Works find on windows device. Error Message: Traceback (most recent call last): File "awsauth.py&...
Tim 's user avatar
  • 11
2 votes
0 answers
69 views

I’m getting random barcode values when the scanner view closes due to timeout even though no QR code or barcode in front of the camera. Each time this happens, the detected values are different. Code :...
Akhil George's user avatar
  • 1,097
0 votes
0 answers
126 views

I'm building a Flutter app using the qr_code_scanner_plus package. The QR scan works, and I’m able to retrieve the scanned result, but after scanning, the app navigates back and shows a blank screen (...
mlodhi's user avatar
  • 786
11 votes
1 answer
487 views

I am doing some work with QR codes, and to test my code, I was comparing it against the example QR code at the top of the Wikipedia page for QR codes: While working on my code to attempt to re-...
TJM's user avatar
  • 323
0 votes
0 answers
85 views

My website wants to display TikTok's QR code and support TikTok app login by scanning the code. But accessing TikTok's web login suite (which is the practice of most websites) requires users to click ...
liang xiao's user avatar
  • 1
0 votes
0 answers
101 views

I have very little experience with c++ or java and I want to make an Android app with Unreal Engine 5.3, which can either scan or be opened by scanning a QR Code and do something with the Information ...
Logoiuy's user avatar
  • 41
0 votes
0 answers
103 views

More details: Phone - Vivo Redmi Note 8 Pro Android version - 12 File: app-release.apk Method: QR Provisioning API chosen in Android studio: API 24 Error: ...checksum error. Please contact your IT ...
Rahul's user avatar
  • 139
-2 votes
2 answers
72 views

I need a minimal C# class that can generate Version 10-L QR codes (97×97 modules) from a short text payload (≤174 bytes), and render it into a Bitmap. This must work in older .NET environments via Add-...
user797717's user avatar
  • 810
0 votes
0 answers
28 views

I am encountering error 394 when trying to submit the NFC-e to SEFAZ. The error message indicates that the invoice is being rejected due to "missing QR-Code information." However, when ...
Davi Quaresma's user avatar
  • 1
0 votes
0 answers
242 views

I'm trying to start eSIM installation flow with my lpa address and code val lpaAddress = eSimData?.lpaAddress val code =eSimData?.code val intent = Intent(EuiccManager.ACTION_START_EUICC_ACTIVATION) ...
daviti gogochishvili's user avatar
  • 1
1 vote
0 answers
56 views

In PWA Blazor application the user can download the application by pressing the download icon that shows in the end of URL address bar What I'm trying to do is to generate a QR code the allow the ...
Abdulsalam Elsharif's user avatar
  • 5,203
0 votes
0 answers
251 views

Hello and welcome everyone! We're currently using scanning devices at a fair to validate tickets.The tickets are distributed as .pkpass files and imported into various wallet apps such as Apple Wallet,...
Rezarak SL's user avatar
  • 183
0 votes
0 answers
37 views

How can I attribute App Store installs to Points of Purchase? For example, I will have a map app that a visitor center may display a poster with a QR Code for patrons to purchase the app. I need to be ...
Jeshua Lacock's user avatar
  • 6,696
0 votes
0 answers
106 views

I’m working on a Unity project that uses the new Unity Sentis package to run YOLO object detection on either a video/image file, or webcam input. I’ve got it working perfectly with a video using the ...
Sergio Redolar Soldado's user avatar
  • 1
-1 votes
2 answers
150 views

im working on a project and i need to make an app for hololens 2 that can scan the QR codes directly, im not familliar with this AR development thing so i tried to use the example from microsoft (...
koto pes ESQ's user avatar
  • 9
1 vote
0 answers
208 views

I'm trying to generate a QR code that contains contact information in vCard format with a multi-line note field. The QR code can be scanned by android and apple devices and the user can create a ...
Hamburml's user avatar
  • 354
1 vote
1 answer
102 views

Background: I have a protobuf object called RegistrationInfo, defined as such: message RegistrationInfo { string serverID = 1; string serverIP = 2; string alias = 3; string rootCA = 4; } In ...
Kris Rice's user avatar
  • 933
0 votes
1 answer
460 views

HTML: <zxing-scanner [device]="selectedDevice" (scanSuccess)="onQrCodeScanComplete($event)" style="width: 100%; max-height: 50vh;"> </zxing-scanner&...
Lorenzo Bertolaccini's user avatar
  • 97
0 votes
0 answers
100 views

I've got this QR scanner on my component and it works, but has a problem: in some devices (mostly devices with 3 or more cameras like iPhone Pro) it doesn't get the camera for short distances (the one ...
Lorenzo Bertolaccini's user avatar
  • 97
0 votes
2 answers
103 views

At my company, I've setup an inventory tracking app. All the items in inventory have an associated QR code that just translates to the item's plain-English name, or the "Title" of the item. ...
JO_Kins_29's user avatar
  • 1
0 votes
1 answer
470 views

I need help with my .NET Maui Blazor Hybrid project. What I am trying to do is the following: Each user page has a generated QR code that holds a part of the endpoint address There are 2 types of ...
Sławomir Majchrzak's user avatar
  • 1
1 vote
0 answers
74 views

I'm developing a feature on Tablet to detect whenever user connect to a QR scanner device - for example: BC-NL3000UⅡ. So far, I'm using broadcast receiver to detect whenever USB_STATE changes which ...
Tuan Pham Cong's user avatar
  • 11
5 votes
2 answers
116 views

Background I am trying to decode a bitstring from a QR-Code, where the data was encoded in numeric mode. According to this QR-Code tutorial: https://www.thonky.com/qr-code-tutorial/numeric-mode-...
Immanuel Neumann's user avatar
  • 53
0 votes
1 answer
688 views

import { CameraView, CameraType, useCameraPermissions } from "expo-camera"; import { useState } from "react"; import { Button, StyleSheet, Text, TouchableOpacity, View } from "...
shahid khan's user avatar
  • 1
-1 votes
1 answer
196 views

I'm trying to implementing a scan qr feature on flutter windows. Since camera_windows does not provide stream image so i switched to another solution is using webview but i don't know where to start, ...
Tuân's user avatar
  • 29
0 votes
2 answers
66 views

so im building a QR code scanner in Flutter that can only scan specific type of qr codes How can I add a feature that will reject QR codes that have nothing to do with the object I'm trying to scan? ...
camelk12334's user avatar
  • 17
0 votes
1 answer
672 views

I am using mPDF along with the mpdf/qrcode library to generate QR codes and embed them in PDF documents. These PDFs are generated from data extracted from XLS files using PHPSpreadsheet. The entire ...
Jalkhov's user avatar
  • 168
1 vote
0 answers
129 views

I am using flutter package = MobileScanner to scan qr code In the UI there is a button that triggers camera open based on state condition then on opening the qr scanner a small camera popup screen ...
D-Sibu's user avatar
  • 63
2 votes
0 answers
225 views

I’m working on an Android application where I need to scan multiple QR codes at once (e.g., up to 10 QR codes in a single frame detect and decode at the same time). I’m considering using Google ML Kit'...
user1188627's user avatar
  • 1
0 votes
0 answers
38 views

Not sure if this is the right question to ask, but the behavior I'm trying to get is making a QR code that has my Wi-Fi password so people can get on the Wi-Fi just by scanning, but also allow the Wi-...
ROODAY's user avatar
  • 862
1 vote
0 answers
85 views

I am trying to generate a QR code that contains RFID data. But, in the code data the first 3 characters are missing. I know this issue when using the ^FD command. Here, you need to format the data by ...
Sven's user avatar
  • 11
1 vote
0 answers
64 views

I am working on a PHP application that involves decoding QR codes using ImageMagick. However, I encountered the following error in my logs: {"logtime":"2024-12-04 14:19:45.955",&...
Stevani Putri's user avatar
  • 23
1 vote
1 answer
76 views

I make code to read qr code but I face issue it read qr code with difficult way I must make qr big zoom for qr and more close from qr to read it success so how to handle that what features I must add ...
ahmed salah abd elaziz elbarba's user avatar
  • 37
0 votes
1 answer
239 views

#include "ReadBarcode.h" #include <iostream> #include <array> #include <string> #include "BitMatrix.h" #include "BitMatrixIO.h" #include "...
Arthur's user avatar
  • 85
0 votes
0 answers
147 views

I am using the following function to send ESC/POS commands to my printer. The function works perfectly for printing styled text, but when I try to print a QR code, the printer does not respond. After ...
Stefan Zindović's user avatar
  • 35
1 vote
0 answers
76 views

I am generating a QR code in a C++ project and trying to include multiline text. However, whenever I add a line break using \n or \x0A, the QR code generator stops rendering text after the first line ...
kia_far's user avatar
  • 13
1 vote
0 answers
56 views

I am trying to generate QRcode with "qrcode". I am able to do it, but in some unknown cases, it generates code that cannot be shown and present like it cannot be loaded. For example, when I ...
arad's user avatar
  • 33
1 vote
1 answer
218 views

I would like to correct the perspective and scale of an image. The image contains a QR code (of known size EXPECTED_QR_SIZE), and I am using OpenCV functions to detect the QR code and apply ...
Laut567's user avatar
  • 193
1 vote
0 answers
65 views

I'm currently working on a project that involves isolating QR codes from images that contain various background elements. But I'm struggling to figure out how to isolate the QR code from the ...
Omuse's user avatar
  • 111
1 vote
0 answers
138 views

I am trying to remove QR code from each page using iText7 but it is distorting every other text values and components of the page, is there a way to do it in a proper way. Below is the code I am using:...
Vivek Pandey's user avatar
  • 11
-1 votes
1 answer
146 views

I am learning from a tutorial online about how to generate QR Codes. I have started to create the frontend which is the application window with an input field and text label. I am now onto the backend ...
CodeMaster74's user avatar
  • 1
0 votes
0 answers
16 views

I have JavaScript codes that give this error: Uncaught TypeError: Cannot read null property (reading 'value') Here are my codes 1. let imgBox = document.getElementById("imgBox"); let ...
Paulo Pessoa's user avatar
  • 1
1 vote
0 answers
56 views

I have a weird issue where "qrcode-artistic" works when executing the python code as it is (as code by using 'python mycode.py'), BUT it does not work if I compile the code using pyinstaller....
ZeusTM's user avatar
  • 13
0 votes
1 answer
227 views

I would like to create a QR Code containing HTML that a person uses its Android/iOS camera to click in the Scanned QR Code through their camera and it opens an offline HTML (the HTML code is already ...
Grego's user avatar
  • 2,260
0 votes
1 answer
434 views

I am using google_ml_kit in my app to read images and scan QR codes, and it's working well for reading QR codes. However, I am encountering an issue with generating QR codes. Sometimes, the generated ...
afra janjua's user avatar
  • 1
0 votes
1 answer
96 views

I am generating a QR Code in my NestJS backend and passing to the browser. The backend in my service contains the following code, which is then called by the controller and passed back to the ...
jelly5798's user avatar
  • 349
2 votes
0 answers
1k views

I have been using expo-camera to read QR codes (Model II, most common qr codes) in my app. This is working correctly but now I have some QR Codes that are the older Model I, the camera view is unable ...
muhammadk1607's user avatar
  • 71

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