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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 scanner for android

I am integrating the Zbar scanner into my android application by following this project - https://github.com/DushyanthMaguluru/ZBarScanner. I am looking to place an image over the scanner when the camera appears. I know how to do this in iOS by just…
Sean
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ZBar SDK iOS: Remove cancel button in scanner view?

Is there a way to remove the cancel button in the initial scan view? I have my App set to go immediately to scanner, so the cancel is unnecessary.
user1486548
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ZBar SDK Embed Reader with Storyboards

I'm trying to use the ZBar SDK to create an embedded QR Code reader just like shown in the example here: https://github.com/twotoasters/zbar (the Embeded Reader example) The only difference is that I'm using it in storyboards. I tried copying the…
Matt
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Releasing UIImagePickerController when using ARC

I am having problems whereas I lose autofocus for ZBarReaderViewController exactly like is asked and answered here. The apparent solution is to release the UIImagePickerController after use. However, I am using ARC and cannot figure out how to…
bridamax
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Decoding the scanned barcode value to int value

When I scan the barcode and I get some value if it is Equal=2 then I need to display with == and if it is Equal=3 then I need to display with = and if the value is 4 then invalid. But Scanned Barcode are of integer value -- when decode using NSASCII…
user1133747
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trying to show a new screen after image is scanned

I am running into an issue that seems so simplistic, is frustrating. I am using the zbar library to play around with scanning qr-codes. Here is my code: - (IBAction)scanButtonTapped:(id)sender { // ADD: present a barcode reader that scans from the…
coder
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Xcode 4.3 doesn't link to ZbarSDK properly

Followed the instructions for installing the zbarsdk and I am unable to link it properly ever since upgrading to xcode 4.3. The ZbarSDK folder is also shown as blue instead of the yellow folder when it is usually linked. Anyone experiencing the…
chourobin
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error to segue from ZBar to another view

will like to know how to fix this error. i will QRReader = [ZBarReaderViewController new]; [self presentViewController:QRReader animated:YES completion:nil]; in customoverlay i have a button that will call [helpButton addTarget:self…
Desmond
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Zbar cameraOverlay UIBarItem click does not work

I've following code running on iPad, I'm usin Zbar 1.2.2 beta version for support in iPad. ZBarReaderViewController* mReader = [[ZBarReaderViewController alloc] init]; mReader.readerDelegate = self; mReader.showsZBarControls =…
deimus
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objective C unable to switch views after scanning a QR code using ZBar

I am developping an App using XCode 4.2 that detects a QR code. I am trying to make a switch view after QR code detection but it is not working at all here is the code am using : - (void) imagePickerController: (UIImagePickerController*) reader …
user1051935
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Is it possible to put a square bracket for the focus when the camera appears in the ZBar SDK?

I'm trying to place an image (a square bracket for the focus) in the camera view of the ZBAR SDK? Can anyone please help me what needs to be done? thanks
Jahn
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zbar sdk not scanning bar code for iphone 4.0.1

I am using zbar sdk in my project but it is not scanning barcode for iphone 4.0.1 so can anyone suggest me proper way ????
dev
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How to link to a hardware barcode scanner?

So i have this barcode scanner integrated with an android phone, it's a scanner+phone kind of thing. Picked it up from somewhere and it doesn't come with any manual, but it has this scanner demo app inside it which is working with the scanner. Is…
Bowie Chang
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Zbar Integration Issue in iOS after Xcode 9 swift 4.0

After I upgrade my Xcode8 to Xcode9 some of my existing methods are showing error. I can't able to find the reason why. Can anyone help please. Here I have attached my response method and Error message. Thanks in Advance func imagePickerController(_…
Govindharaj Murugan
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problems with native libs in android 7

For barcode scanning we are using zbar library it is working fine belwo Android 7 versions but in my samsung tab A(Android version 7.0) I am fasing issue with native libs like libiconv.so:text relocations and libzbarjni.so: text relocations.
babu
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