zxing
How to integrate Zxing Barcode Scanner without installing the actual zxing app (cannot resolve symbol: .android.CaptureActivity)?
Although already been answered I feel like an in depth solution for those who want to use ZXing as a library without using any auto installation method like ANT. ZXing being an open source project allow (as described in the ZXing website) you to use its features as a projects library rather than forcing 3rd … Read more
Undefined symbols for architecture armv7 when using ZXing library in Xcode 4.5
Well, at last I got it working.. For anyone who encounters this in the future.. Rename the main.m file to main.mm. ZXing’s README states why we need this It can happen that when trying to build your own project with ZXingWidgetController you get linker errors like “undefined reference to”. If this error looks like a … Read more
QR Code encoding and decoding using zxing
So, for future reference for anybody who doesn’t want to spend two days searching the internet to figure this out, when you encode byte arrays into QR Codes, you have to use the ISO-8859-1character set, not UTF-8.
Zxing Camera in Portrait mode on Android
Here’s how it works. Step 1: Add following lines to rotate data before buildLuminanceSource(..) in decode(byte[] data, int width, int height) DecodeHandler.java: byte[] rotatedData = new byte[data.length]; for (int y = 0; y < height; y++) { for (int x = 0; x < width; x++) rotatedData[x * height + height – y – 1] … Read more
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.
Alternative to zxing QR reader library for Java/Android? [closed]
I’ve found the answer for my question here http://sourceforge.net/news/?group_id=189236 it’s much faster than zxing and much easier to implement. Thank you. For iOS: for iOS (zbar.sourceforge.net/iphone) and the documentation (zbar.sourceforge.net/iphone/sdkdoc/install.html)
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
looking for best barcode scanner library, besides zxing [closed]
Jeff Lamarche’s Cocoa Barcodes project for iPhone and iPad Zxing’s barcode image process library Android barcode library ISBN & QR Barcode Scanning Mobile App for Libraries