qr code

  1. Z

    Java Question QR code scanning

    Hi, I have a small problem. this is original QR code from receipt I'm trying to scan it with different libraries and tried almost all of them from b4a site, based on google play service vision, I tried some Johan Schoeman solutions, Erel suggestions, tried taking pictures, grayscale...
  2. Luciano Veneziano

    Italian QR Reader che funziona solo sulla pagina principale

    Salve a tutti. Volevo usare una pagina per leggere il codice QR. L'applicazione, creata dall'ottimo LucaMs funziona perfettamente se è messa come pagina principale. Messa come pagina secondaria, (con l'aiuto di LucaMs) l'app crasha brutalmente. Dopo una giornata di mail con LucaMs, che...
  3. jkhazraji

    Share My Creation QR image generator library

    This library is concise. It takes a string and converts it into a QR image that can be displayed in an imageview. CreateQRImg(txt As String, filePath As String, size As Int, imgType As String) '//Parameters 'txt: the string to be converted to QR image 'filePath: path of the generated image file...
  4. wonder

    Android Question QR Code Reader

    Hi! So I've been away for a awhile and I'm not really up-to-date with all the new stuff. 😅 Anyway, I'm looking for the fastest, most reliable QR Code READER library. I used the search function and found a few, I just want to know which one to choose. I'm looking for a lib that allows my app...
  5. KMatle

    B4J Tutorial [B4x]Google Authenticator OTP (others will do, too) complete example with code

    Wikipedia: Google Authenticator Most websites where you have to log in offer to protect your account by using a multi-factor authentication. Here you can use an app like Google Authenticator (GA) which shows a 6 or 8 digit number which you have to type in when you log in. How it works: The...
  6. KMatle

    Android Code Snippet HTML-Standalone QR-code generator for websites

    I placed it here as I use it with a B4A app... Sometimes you need a QR-code generator in your website (which is working together with B4x). I searched for a standalone creator which is easy to handle. I came to this site: QR-code generator. I uses Javascript to generate the QR-code. I've...
  7. carlos7000

    Android Question Library QrCode does not encode long texts

    Hi. I have tried various codes to generate qr codes. I liked this library: https://www.b4x.com/android/forum/threads/b4x-qrgenerator-cross-platform-qr-code-generator.93092/ ...but it does not encode texts that are more than 78 bytes long. ¿Is there a similar one, but one that encodes longer...
  8. M

    Android Question Help needed to generate Qr Code in B4A using B4J example

    Hello to all, please apologize my english... I know maybe this is a silly question, but i am not using B4A too much, so i have some doubts... I want to generate a simple Qr Code in my Android phone, and i founded 2 ways of do it, one way is using Google Api... and the other way is the "Qr...
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