qrcode

  1. M

    Android Question [B4XPages][B4X] Barcode QrCode Reader not working

    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...
  2. M

    Android Question Not solved [B4XPages] Barcode/QrCode scanner not detecting

    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...
  3. Pedro Caldeira

    Android Question save two images side to side in one single image

    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...
  4. M

    Android Question [B4X] [B4XPages] CameraEx - Square preview is stretched

    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...
  5. M

    Android Question SOLVED [B4X] Barcode Reader - Captured Images are stretched (Full screen)

    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
  6. M

    Android Question KingsMentor Barcode QrCode Scanner - Not Working

    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...
  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...
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