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Questions tagged [zbar-sdk]

for questions specific to iPhone. ZBar is an open source (GNU LGPL 2.1) software suite for reading bar codes from various sources, such as video streams, image files and raw intensity sensors. It supports many popular symbologies (types of bar codes) including EAN-13/UPC-A, UPC-E, EAN-8, Code 128, Code 39, Interleaved 2 of 5 and QR Code.

ZBar is an open source software suite for reading bar codes from various sources, such as video streams, image files and raw intensity sensors. It supports many popular symbologies (types of bar codes) including EAN-13/UPC-A, UPC-E, EAN-8, Code 128, Code 39, Interleaved 2 of 5 and QR Code. ZBar supports several platforms: Windows, Linux, iPhone.

ZBar is used widely in iOS applications and has an SDK specifically for iphone devices.

ZBar SDK supports the iPhone 3GS and iPhone 4, as they have a camera with auto-focus. The ZBar library does not support the iPhone 3G. At the same time ZBar supports iPad 2 camera, in spite of absense of auto-focus camera.

ZBar is licensed under the GNU LGPL 2.1 to enable development of both open source and commercial projects.

Use this tag for ZBar SDK for iPhone issues. For other platforms there is tag.

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Zbar iOS SDK does not scan barcodes on products

Am trying scan a product using zbar samples provided in SDK, it scans bar codes present on screens, not on products, for instance i have a product with barcode number 6281022118063 which is a EAN 13 barcode printed on the product it doesn't scan, if…
Syed Ismail Ahamed
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QR and Barcode scanner code doesn't work Xcode 5.1

I've done this tutorial http://rdcworld-iphone.blogspot.com.au/2013/03/how-to-use-barcode-scanner-br-and-qr-in.html I'm using the iPhone simulator on IOS SDK 7.1, Xcode 5.1.1, Mac OSX 10.9.4 and objective c. What is supposed to happen when I run…
SOair
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How to retrieve a flight number from boarding pass barcodes?

I've setup ZbarScanner with the aim to scan UK boarding pass barcodes. I'm getting the following string. Android Boarding pass String (I get a different result each time I scan) 0164861544532221 IPhone Boarding pass String M1MURRAY/BOB …
Declan McKenna
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Validation error for iPhone app using ZBar SDK

I have an iPhone app (for iOS 7 & above) which uses the ZBar SDK. I'm struggling to update it for iOS 7 using Xcode 5.1.1. I was getting this arm64 build error, but I've managed to fix that by recompiling libzbar.a according to the instructions…
beev
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Launching a PUT or POST request after scanning QR Code

All the examples I see simply direct you to the url encoded in the QR code. Is there an android library that can decode the url and submit a PUT to update a backend? I'm looking at zxing and zbar but haven't found any sample code for that yet. …
HukeLau_DABA
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use CocoaPods install ZBarSDK (1.3.1) error

User CocoaPods install ZBarSDK have error error : directory not found for option '-L/Users/Tank/Desktop/人宇數位科技/MetroNews/MetroNews/ZBarSDK' I need help. I need scanning QRCode in iOS 6.0 and later. I need armv7s because i install AFNetworking .it…
user3059729
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iOS : Crash when using ZBarReaderViewController Scan option

I have a Main view controller where I have "Scan" button. I launch scanning screen of ZBarReaderViewController on top this Main view controller. Once scan is success, I am launching to a Cocos3d based scene views, at this time, Main view controller…
Stella
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Zbar Android Costum Camera Preview Stretched

I customize the camera view of Zbar API in ZBarScannerActivity class. This is the code i added. setContentView(R.layout.scanner); mAutoFocusHandler = new Handler(); // Create and configure the ImageScanner; setupScanner(); //…
Edgar
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Taking any integer value from JSON into IOS Application

I seem to be having trouble with loading the id value which is displayed within my iphone application. When I run the app, it loads the the name, price and a and an image URL. The only section which fails to load depending on its value is the id. Is…
user3310055
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how to Decode QR code from Photo library

I'm using ZbarQR code reader in iOS SDK. I want to scan a photo which has Qrcode in it from photo library of a device( not in simulator ). Is it possible to do this? if yes, How? Please help me
user3332305
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ZBar SDK slowing down in IOS7

I am trying to implement some qr code reader using ZBar. After a while I did manage to do reading, but after several readings the app tends to get slower and slower (until practically unresponsive). This SDK is compatible with iOS7 ? Frameworks :…
Diogo Mendonça
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ZBar qr code reader issue iphone app

I really need help here. I'm pretty new to iOS/Objective-C so sorry if the problem resolution is simple. I have followed all of the steps on the zBar tutorial in order to get the barcode reader working but I have had no success. I noticed that one…
brade
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Zbarsdk doesn't implement properly with webviewcontroller

I have eventually embedded zbarsdk into my app without error message. However, I found a new issue. I need to open url that will be collected from qrcode to a webviewcontroller. The problem is that after the scanning, the result ether appear too…
Richard
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iOS7 PhoneGap Freezing after using ZBar Scanner

I have a PhoneGap app that uses the ZBar scanning plugin in iOS. It allows me to use the scanner a few times, but after a few tries, the next click on the scan button to invoke the plugin causes the app freeze for anywhere between 30 seconds and 5…
David Welsh
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ZBar SDK - Not exactly sure what's going on

I'm fairly new to the iOS SDK and Objective C, and I'm not exactly sure what's going on in this code snippet: -(IBAction) scanButton{ ZBarReaderViewController *reader = [ZBarReaderViewController new]; reader.readerDelegate = self; …
Caledonia91
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