qr-code Questions

1

The argument type 'QrImage' can't be assigned to the parameter type 'Widget?'. Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text('QR Code Generator'), ), body: ...
Rite asked 11/8, 2023 at 19:4

6

Solved

I like decode QR Code directly in my application, I don't wont to redirect my application to other intent. I try very hard to find any API or Library, from which I can decode QR code, but I am not ...
Kt asked 29/6, 2011 at 10:1

3

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I came across this APIserver to generate the QRCode but I was wondering is it possible to just use HTML to generate the QRcode for example this is what I was thinking <input id="text" ...
Patrickpatrilateral asked 8/5, 2015 at 3:24

5

I know there are someone have ask this question.But it is a sorry i donot find the answer. dispatchQueue = dispatch_queue_create("myQueue", NULL); [captureMetadaOutput setMetadataObjectsDelegate:s...
Ammoniate asked 26/6, 2015 at 2:20

6

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Current code: import QRCodeScanner from 'react-native-qrcode-scanner'; function ScanScreen({ navigation }) { return ( <SafeAreaView style={styles.screen}> <QRCodeScanner reactivate={tr...
Rattler asked 20/2, 2020 at 10:42

4

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I was trying to make a QR code marker like this pic below. So I'm wondering how to make those 4 corners instead of a full border marker. I was currently using react-native-qrcode-scanner. The defa...
Employ asked 9/7, 2020 at 10:38

4

I have been using chats.googleapis.com for creating qr codes. But now it is not working. =image("https://chart.googleapis.com/chart?chs=300x300&cht=qr&chl="&ENCODEURL(A2)) I ...
Africah asked 4/1 at 9:45

0

I'm encountering an issue with the QR code scanner on my iPad 7th Gen running ipadOS 17.4. While the scanner seems to be functioning normally on the latest iPad 10th Gen (also on ipadOS 17.4), it's...
Edgardo asked 8/3 at 13:30

3

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I have some binary data that I want to encode in a qr-code and then be able to decode, all of that in bash. After a search, it looks like I should use qrencode for encoding, and zbarimg for decodin...
Zonate asked 3/3, 2020 at 11:26

4

I Have tried various QR code libraries and webcam capturing techniques. Capturing photos within a specific time interval and then sending it to the QR code library seemed as a good idea but the suc...
Keele asked 2/7, 2013 at 11:26

3

I am looking for an open-source library that can read QR Codes using a laptop's integrated webcam. Preferably, the library should be written in C#, but Java would be good as well. It should be abl...
Moisture asked 4/3, 2012 at 21:17

5

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I am developing the application for Android devices. I want to generate QR code with logo inside it. With ZXing I know how to generate simple QR codes like this one: But I want to generate QR code...
Thistledown asked 30/1, 2016 at 16:45

4

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I am using pyqrcode module in python and generating QR code with it. How to put the logo in the center of that QR code. The code looks like this import pyqrcode data = "Hello World!!" number = p...
Bucella asked 3/8, 2017 at 10:45

2

Has anyone found a working solution on scanning QR Codes from a Blazor MAUI Hybrid App? I have found number of libraries (e.g. BigIslandBarcoding, ZXing.Net) for "normal" Blazor but nothi...
Proboscis asked 14/7, 2022 at 11:50

4

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I'm creating a ReactJS app that uses QR codes and I want to be able to print a PDF document with a batch of codes at once. I'm currently using both react-qr-svg to generate the codes and @react-pdf...
Baguio asked 31/1, 2020 at 15:30

4

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I would like to create a custom qr code with javascript that contains a logo in the middle. I already found this project on github: https://github.com/kaarposoft/qrlogo but unfortunately this scri...
Member asked 7/10, 2017 at 13:54

3

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I am trying to develop an application that will use tickets given the user the ability to validate them. I am wondering why I should choose Aztec barcode as many many companies have already chosen ...
Retrogress asked 9/1, 2015 at 9:43

1

I was trying to add QR code generator in my WPF app using instruction provided here: https://www.kailashsblogs.com/2020/05/generate-qr-code-in-wpf.html?m=0&fbclid=IwAR0CMMRGwE1eH-ASW4jVzML1oyEs...
Conferva asked 18/5, 2023 at 14:39

5

;) if you wanted encode 2mb of data onto a 2d-bar code, which 2-bar code would be good to starting point or recommend. There are lots and different types of 2dbar codes out today,Aztec 2-d barcod...
Dottiedottle asked 28/8, 2013 at 11:45

1

I am developing a flutter app that uses qr_code_scanner dependence(https://pub.dev/packages/qr_code_scanner). I want the QrView to autofocus, but I can't find a solution. How do I auto focus the Ca...

2

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I am trying to create a logo and try to add a logo in the middle of the qr code and i am able to generate the qr code but unable to get the qr code with logo on the middle i have tried this code bu...
Teodoor asked 19/11, 2020 at 11:8

4

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Is it possible to store about 20 000 characters in QR code? (Or even more? http://blog.qr4.nl/page/QR-Code-Data-Capacity.aspx) I would like to store only ascii simbols (chars and numbers wit...
Rodneyrodolfo asked 14/6, 2012 at 11:19

2

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How do I generate a qr code which when scanned opens a url? is it possible to use a library like qrcode or pyqrcode to accomplish this? something like this : pyq = QRCode() pyq.generate(url="h...
Serotherapy asked 17/3, 2021 at 11:26

4

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I want to make a script for detecting and reading QR codes from photos. I would like to use PyZbar for that, but I have a problem with some errors. I'm working in google colaboratory !sudo apt inst...
Monarchal asked 2/8, 2020 at 15:20

2

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I'm creating QR codes with PHP QR Code (http://phpqrcode.sourceforge.net/). It works well but now I need a free space for a custom graphic or logo in the center of it. And I want to do this without...
Tagmeme asked 5/8, 2017 at 10:44

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