qr code

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...

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...

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...

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...

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...

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...

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...

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...