qrcode

Hi everyone, today I updated all the packages with the SDK Manager. After that, the app was crashing on a line about the QrCode reader made using the CameraEx class (there is a tutorial in the forum). Reading the logs I found out that now you must have the following line in the manifest to get...

Hi everyone i followed this tutorial https://www.b4x.com/android/forum/threads/b4x-b4xpages-barcode-reader.120417/#content. I've two Android phone. 1. Honor 8A (Android 9) 2. Meizu 5c (Android 6) On the first everything works ok, on the second the detector for the codes is not creating...

Hi everyone, i developed an app that uses the barcode/qrcode reader. i wanted to use b4xpages for the first time from the beggining of the project by following this example: https://www.b4x.com/android/forum/threads/b4x-b4xpages-barcode-reader.120417/#content. Now i finished everything. On my...

Hello All, I need to grab a pre existing image, generate a qrcode as a second image, set up a canvas, set them side by side and save the canvas as a single image. What am I doing wrong since I always get an empty image in the right area. I have tried to set both as the first existing image and...

Hi everyone, i know there are some posts about stretching of the preview of the cameraEx, (one of them is mine) but them are related to resize correctly the panel containing the preview. Instead, i wish to know if there is a way to keep the preview panel size fixed (square), but have the camera...

Hello I was changing the barcode reader I usually use. with this one Why the images are stretched? The image taken from Google Images (to have a reliable reference) its supposed to be a square, and actually looks like a rectangle thanks

Hi everyone, i'm trying to find a GOOD and simple barcode scanner, similar to the one we have on iOS. I found this library from @Johan Schoeman that seems to do the job, since i've to scan code39 and qrcode. I don't know why... but in this period i'm struggling with Android. The library gives me...

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...