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0 answers
70 views

Android Studio only reads defined QR codes in Java

I don't want Android Studio to scan QR codes other than those defined in the application and I want to do this with CameraView. Instead of downloading or installing a library, I want to scan the ...
CrazyProgrammer's user avatar
2 votes
1 answer
1k views

How to generate QR to use with Hikvision Camera

I am creating a simple Java client for the HIKVISION cameras. (Primarily for Linux). I want to add a feature to let the user generate a QR code base of the camera list (This feature is already exist ...
JaVaBoy's user avatar
  • 479
0 votes
0 answers
156 views

Mobile vision is not detecting QR codes

I'm trying to add QR code scanning functionality to my application. I've used google vision to detect the QR codes. But, it fails to detect the codes. Even though the Detector.isOperational() returns ...
Trouble Maker's user avatar
1 vote
1 answer
1k views

Scan a QR code and decode it using p:photoCam

I need to capture and read a QR Code while the camera is capturing, all of this in a JSF Application. I have already read a QR Code in a photo, but for now I have to make it "alive". Anyone ...
vmar's user avatar
  • 29
1 vote
0 answers
1k views

Black screen when using zxing embedded for android (Java)

I'm trying to follow the example showed in the zxing page in GitHub for a continuous QRCode scanner. The problem is that when i run the project on my device, all i got is a black screen instead of the ...
Mathias's user avatar
  • 11
0 votes
1 answer
2k views

Camera turns black when clicking back (QR Code)

I have an app which used the camera for scanning a QR code. Everything works fine when I open the app and go to the QR reader. Once I scan the code, the information is sent to another activity, but ...
CuriousPaul's user avatar
0 votes
1 answer
573 views

QRCodeReaderView java.lang.RuntimeException:Fail to connect to camera service

I'm using QRCodeReaderView to scan Qr Code. I have searched about this issue, all solutions are related to permission. In my code, I'm starting camera after checking the permission. The issue is it ...
Bhuvanesh BS's user avatar
  • 13.6k
12 votes
2 answers
72k views

QR code reading with camera - Android

I am currently researching to build an alarm clock application in Android. I am utterly and completely new to programming with QR codes. I know nothing about it. But right now, I want to find out the ...
Johnathan Au's user avatar
  • 5,372