30 questions
2
votes
0
answers
61
views
Random Barcode Detections on Timeout When No QR Code Is Present (mobile_scanner)
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 :...
- 1,003
1
vote
1
answer
95
views
Blank screen after QR code scan and returning result using Navigator.pop
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 (...
- 754
0
votes
1
answer
84
views
How can I scan QR code from an image on web
I have a flutter project and I want to also deploy it on the web, but for the QR code section, I want to upload an image and scan the QR code from the image on the web platform. Because I think it is ...
0
votes
2
answers
172
views
How to Align Text below QR code Scanner Overlay in Flutter?
I have implemented QR Code Scanner for my app and I want to align text dynamically below the Overlay of QR Code Scanner. I have used qr_code_scanner package. I have tried it to make in Stack widget ...
- 768
-1
votes
4
answers
92
views
Where is the error in the else position in Flutter?
At first, I was told that PrettyQrView was wrong, so I changed PrettyQrView(qrCode: qrData) to PrettyQrView.data(data: qrData), and this error disappeared, but the error in else is still the same. I ...
- 9
0
votes
1
answer
2k
views
Overlay for QR code scanner using Flutter
I want to implement QR code scanner like exact GooglePay:
I can implement the AppBar and showModalBottomSheet. But I still can't figure out how can I implement the overlay design widget (four ...
- 768
0
votes
1
answer
187
views
Why Flutter qr and barcode scan packages do not scan all of the barcodes I try?
Well, I have used multiple Flutter barcode scan pakcages, but could not find the proper one. The best I have tried was MobileScanner that was fast and mostly accurate, but it has one problem. When I ...
- 3
0
votes
1
answer
554
views
Flutter - unable to Open camera and Scan QR code(using existing packages) in flutter InAppWebView
I am building an Android/iOS app which opens external url and access the contacts and reads the QR code from native mobile via JavaScript calls from the external website. Currently, I am able to get ...
- 206
0
votes
1
answer
322
views
When I open the camera, I get a fatal error and the phone shuts down. This does not happen on iOS. in Flutter
I have a webview application and I use the following plugins for it.
flutter_inappwebview: ^5.3.2
qr_code_scanner: ^1.0.0
http: ^1.2.0
When I open the camera, I get a fatal error and the phone ...
0
votes
2
answers
325
views
Flutter BarCode to check if data contains Letters/Word with QR Code Scanner
Hi I have been trying to read the QR Code and then navigate to a page when scan data contains specific keyword. Currently, I did print the data and it shows correctly, but when I want pass it to check ...
0
votes
2
answers
1k
views
How to Convert a QrImageView widget into image in flutter
I cannot figure out on how to convert a generated qr code by the use of QrImageView into a image file type that can be saved in the database
This is my code for generating a qr code:
Widget ...
0
votes
1
answer
241
views
Error: The method 'fromBytes' isn't defined for the type 'VCard' in Flutter
I'm encountering an error in my Flutter code where I'm trying to parse a vCard using the vcard package. However, I'm getting the error message "The method 'fromBytes' isn't defined for the type '...
0
votes
0
answers
206
views
Is it possible to generate QR Codes on a flutter app with a logo or saying in the middle. How would one go about this?
Currently trying to build a custom QR code generator that would either include a logo or some text in the middle so it is not generic have been scouring the internet looking for solutions but mainly ...
- 1
0
votes
1
answer
135
views
The problem of shrinking the screen size of the entire program
I am writing a Flutter project that scans QR codes and I use the qr_code_scanner package
At first, the screen size was good, but now when I run it on my phone, it is smaller from the top and bottom
It ...
- 55
0
votes
1
answer
577
views
How to create and integrate custom qr code in flutter
I want to add a qr code for my application. How can I integrate and scan the QR code I will generate? I would be very grateful if you could give me some explanatory information about the methods I ...
