Questions tagged as 'qrcode'

Tagged questions
3
answers

Validity of a QR Code

I have a QR Code that leads to a link. This link, I suppose, will air until 2015. Of course, when the link does not exist, this QR Code will not get you anywhere. My question is: Does this code have validity? Or, for example, someone in Trans...
asked by 27.08.2014 / 19:12
1
answer

Identify if the computer has a QR Code reader

The first step of registering my project has two layout options: one for who owns a QR code reader (web cam) and one for those who do not. I need to identify if the user's browser has access to the webcam for reading the QR Code, how can I do...
asked by 14.12.2015 / 16:43
1
answer

Excel - Create QR Code with data of 4 cells

Good, I'm trying to create a document in Excel that will fetch the entered data for example (B1, B2, B3, B4) and with this data generate a QrCode. I do not have any software yet that creates QrCode. I do not know if they recommend one. Tha...
asked by 24.02.2017 / 13:52
2
answers

QR Code reader built into my own activity

I need to implement a QR code reader in my activity, ie NO REDIRECT. Using ZXing will not solve my problem. To get an idea, check out whatsApp in the WhatsApp Web function: There is an activity, with text above, and so, and then just below a...
asked by 04.10.2016 / 19:01
2
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Bring QR Code data to my fields

I'm reading a QR Code as per the code below: // Botão para abrir câmera e usar o QR Code (Irá abrir a Store para baixar um app nativo) btnQR = (Button) findViewById(R.id.btnQR); btnQR.setOnClickListener(new OnClickListener() {...
asked by 28.10.2015 / 12:07
1
answer

QRCODE reader android

Well, I need to put a qrcode reader in my android app, can anyone give me a hint? I do not want it to open another app, I want it to be inside the app itself     
asked by 18.03.2018 / 02:17
3
answers

Help with QR Code reader in Cordova

I'm trying to make the app (cordova + onsen) read a QR code and when reading open the link contained in the QR, but instead of opening the link it tries to open a page in the root of the application (file: // android_asset / www / barcode.result...
asked by 13.11.2015 / 01:31
0
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Database with QRCODE [closed]

Good morning, I want to generate a QRCODE that pulls information from a database, in android I will make the QRCODE reader using some api zxing or barcode. Has anyone done anything like this? example, step the product id in the QRCODE, and the r...
asked by 27.07.2016 / 15:17
1
answer

Is there any API to work with QR code?

I need to read a QR code and check in an app I'm developing for Android. Is there an API ready to work with QR code ?     
asked by 10.03.2015 / 21:44
1
answer

How to transform an image into a qr code with Zxing?

I'm developing an android application capable of generating and reading qr codes, the application already encodes and decodes strings, but now I need to do this with images. I have tried some ways to transform the image into an array of bytes...
asked by 18.02.2015 / 07:37