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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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Unable to remove warning about deprecated method in iOS 6

I am using the ZBar SDK in my application, which I am able to run just fine. However, I am getting the following warning that I can't figure out: "presentModalViewController:animated" is deprecated. First deprecated in iOS 6. My full method where…
syedfa
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ZBar iOS Automatic Recognition

in my ios application, I have implemented the zbar qr sdk code scanner into my application. The user scans a qr code, and the contents go to a text field(Non-Editable type). What I was wondering, is there a way that I can make the app automatically…
Steve
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MonoTouch Binding to NSString Field returning null in Release builds

I have successfully created an updated ZBar MonoTouch binding dll, following up on this answer here from a while ago, using the updated [Field] bindings to bind static NSStrings (previously I was just duplicating the value of the NSString in my…
Tyson
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ZBarSymbol not correctly reading the code

I am using ZbarSdk in my app to scan the qrcode, in my - (void) readerView: (ZBarReaderView*) viewdidReadSymbols: (ZBarSymbolSet*) syms fromImage: (UIImage*) img method, I am writing following code, for(ZBarSymbol *sym in syms) { …
Saty
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iOS Zbar SDK - Is there a way to capture an image at a user selected moment?

Is there a way to take a photo with Zbar library? I would like to give the user the possibility to take a picture while showing a started ZBarReaderView instance. P.S.Don't need the image from which the Zbar library read the symbol.
user1078065
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ZBar SDK no beep sound

I just use ZBar SDK to scan barcode. I want that when the barcode scanned, it can play a beep sound. though the scanning is pretty good. no sound over there. I didn't find any flag in SDK to take control of sound. does anyone meet with this problem?…
Jaden Gu
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iPhone app sending data back to webserver

A little of your time. I have to develop a barcode application which is invoked from a webpage. Now i have written the javascript for calling the app. Once the app finishes reading the barcode, I have to go back to my webpage and the barcode data…
sree
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zbarSDK reader doesn't scan QR on fast devices (XCODE)

I am using the zbarSDK on my IOS app. It works like a charm and it was perfect. The problem is when I press on the Scan Button in front of a QR code (on fast device like 4s or iPhone 5), I only get the green rect and nothing happen, and I need to…
NDM
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Android java utf-8 encoded strings

I'm trying to build an Android application using the zbar library to scan codes. I generated QRcodes with UTF-8 encoding and am using this Android app to scan them. The text I'm encoding is "L'étoile". I tried the default zbar test program and…
user1936810
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scan barcode(generated using ZBar SDK) using iPhone simulator?

I want to test my barcode scanner using iPhone Camera. I'm using ZBar SDK for my barcode scanning. I have a scan button for this.When I click on Scan button,its showing me the message,"Camera simulation, tap and hold with two finger to select…
bapi
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Objective C dismissModalViewControllerAnimated is being called indefenetly and cause the application to crash

I have a class (called class A) that creates an instance of another class (called class B) . in class A I call a function fro class B that opens the camera to read a QR code . once the QR code is detected the camera feed is dismissed using this line…
user1415780
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Zbar not working after changing setSymbology

I want Zbar to capture images as well as scan QR code with the single Zbar reader without dismissing it from the current ViewController. For that I was using [reader.scanner setSymbology:ZBAR_QRCODE config: ZBAR_CFG_ENABLE to:1]; to enable when…
Ananth
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change view (storyboard) after zbar didFinishPickingMediaWithInfo inside a tab

I'm still new to programming on the iPhone, and have researched my problem, but have no luck with any of the solutions. I have managed to follow ZBar SDK Integration tutorial to have a working app at the end, inside a tab controller. What I am…
Daniel P
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ZBar iPhone, set a timeout

I use successfully the ZBarSDK in my iPhone application. The only problem is: sometime the scanner cannot read the barcode. I don't find how to set a timeout (if the code bar cannot be read for 5 second, abort scanning). Is there a hidden option? Or…
user130306
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Can't see IBOUTLETs when using StoryBoard with ZBARReaderView

I am trying to write the embedded reader example in ZBar SDK using a story board and not NIB files. I Declare my IBOutlets as so: @interface MYQViewController : UIViewController < ZBarReaderViewDelegate > { ZBarReaderView *readerView; …
Aardvark
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