QR code reader for iPhone [closed]

ZBarSDK is another option. A very capable library. UPDATE January 2014 Beginning in iOS7, AVCaptureDevice now includes the ability to read barcodes (of all kinds) and return a human readable value. If you’re targeting iOS7+, this is the way to go. ZBarSDK is still great for pre-iOS7 support, of course.

Android Zxing change orientation to portrait

After a lot of struggling, I found the problem, and I hope it will help someone in the future. On initFromCameraParameters method in CameraConfigurationManager there is an assumption that the scan is ALWAYS in landscape mode, and therefor a fix when width < height. If You follow the steps in the question and remove this … Read more

Reduce border width on QR Codes generated by ZXing?

The QR spec requires a four module quiet zone and that’s what zxing creates. (See QUIET_ZONE_SIZE in QRCodeWriter.renderResult.) More recent versions of ZXing allow you to set the size of the quiet zone (basically the intrinsic padding of the QR code) by supplying an int value with the EncodeHintType.MARGIN key. Simply include it in the … Read more

How to decode a QR-code image in (preferably pure) Python?

You can try the following steps and code using qrtools: Create a qrcode file, if not already existing I used pyqrcode for doing this, which can be installed using pip install pyqrcode And then use the code: >>> import pyqrcode >>> qr = pyqrcode.create(“HORN O.K. PLEASE.”) >>> qr.png(“horn.png”, scale=6) Decode an existing qrcode file using … Read more

Integrating the ZXing library directly into my Android application

UPDATE! – SOLVED + GUIDE I’ve managed to figure it out 🙂 And down below you can read step-by-step guide so it hopefully can help others with the same problem as I had 😉 Install Apache Ant – (See this YouTube video for config help) Download the ZXing source from ZXing homepage and extract it … Read more