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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.

217 questions
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Detection if Image consists of barcode

Is it possible by using the Zbar API, that one can check if the image consists of barcode or not? This is as a backup measure, so that if the application is unable to get barcode value, let it check if it might contain a barcode, if so user can…
Jatin
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QR De/Encoder SIGABRT error (switching between de/encoder)

hey guys i have to make an app for my school project which includes reading an creating of QR Codes... No Problem so far. I started with making a tap bar application so that you can switch between the two settings. I'm using the ZBarSDK to read the…
Jonathan Leyes
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zbar batch QR code scanning

I am currently using ZBar to scan QR codes using the steps documented on their website my question is , is there a way to modify these steps to do a batch scan (i.e. scan several QR codes , store them in an NSMutableArray without dismissing the…
user1415780
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Want to fetch image from iphone Library using Zbar Sdk for QR code

I am using ZbarSdk for QR Codes, but it is fetching image from camera, and i want it to fetch image from library, so that i can test it on simulator, but don't know where to implement code for it. I know how to fetch from library rather than…
iPhone Programmatically
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zbar #ifdef issue with minizip in iOS

i need to write the #import "ZBarSDK.h" into the #ifdef OBJ part, because Minizip does not work if there's an import at another place! #ifdef __OBJC__ #import #import #import "ZBarSDK.h" #endif but then i…
myr0
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Set ZBar iOS SDK interface orientation?

Does anyone know how to set the interface orientation for the ZBar SDK? I need it to work in landscape view and not portrait. I tried adding [reader shouldAutorotateToInterfaceOrientation:UIInterfaceOrientationLandscapeRight];but it didn't work. …
user1486548
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ZBar API Embedded Scanner Blur issue

I am using ZBar iPhone SDK in one of my projects (iOS SDK 5.1 ,XCode 4.4.1 and device running iOS 5.5.1). I am using the embedded scanner from the examples provided in the SDk itself. Now the issue which I am facing is that I successfully scan a bar…
Rahul Sharma
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Tilted image - Not detected

I am using zbar to scan barcodes from images. Zbar is unable to detect barcodes in images where barcode is tilted or is in slant position. It is detecting images which are either vertical or horizontal but the ones tilted. How to go about it. Should…
Jatin
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How do I make a UIImagePickerController camera not take up the whole screen?

I have a tab bar controller. I want to have a camera always open on one of the tabs, but underneath the camera, you can still see the rest of the tabs. How do I make it so that the camera doesn't take up the whole screen, but is just above the tab…
maor10
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Warning when building with prefix.pch file

// // Prefix header for all source files of the 'Bar_scan' target in the 'Bar_scan' project // #ifdef __OBJC__ # import # import # import # import…
Roman Kirianov
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Camera controls in Zbar

Hi I am trying to show camera controls using zbar in ios for scanning. i have written following code ZBarReaderViewController *readerController = [[ZBarReaderViewController alloc] init]; readerController.sourceType =…
iPhoneQ
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Read barcode using zbar sdk in windows phone 7

I want to read barcode from camera using zbar sdk in windows phone. There is SDK available for iPhone and Android platforms, chack this link http://sourceforge.net/projects/zbar/files/ I am not sure any sdk available for zbar barcode in windows…
Ankit
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project with source files of Zbar

I am building an iOS, code scanner project using ZBar SDK. I am trying to build my project directly from the source of ZBar, rather than including the libzbar.a static library. Here are the steps i did 1) Copied the source file to my project. 2)…
H Bastan
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Having trouble in ZBar integration for QR code reader in installing app on device

hi.... I am working on an application in which i need to integrate ZBar from http://zbar.sourceforge.net/iphone/sdkdoc/tutorial.html and i have done the same steps then my app works fine on simulator but when i tried to install on device then it…
shivangi
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how to use this lib barcode scanner?

Solved Finally I solved it. You can find my code Here This is specific to this lib. I want detail explanation on how to add it in my project and use either of zxing or zbar. As instructed compile 'me.dm7.barcodescanner:zxing:1.7' is giving gradle…
Sumit Saxena
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