Stack Overflow
Stack Overflow

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
4
votes
1 answer

Using a 32-bit library in a 64-bit app

I have my project set up to run as 64-bit on supporting devices, and 32-bit otherwise. ZBarSDK is giving me an issue though. I get the error Undefined symbols for architecture x86_64. Doing a lipo -info on the library file results in: armv6 armv7…
Chris
  • 7,270
  • 19
  • 66
  • 110
4
votes
2 answers

add tap to focus functionality to ZBarReaderViewController

I am using the zbarsdk to read the barcodes . It is working fine , but my problem is I have added the overlay view to the ZBarReaderViewController (reader in my code ). So now I tried to add the tap to focus functionality . But it is crashing .…
sri
  • 227
  • 2
  • 12
4
votes
1 answer

Add overlay over top of ZBar scanner

I'm using the ZBar SDK to read QR codes on iPhone, however I want to add some text to the bottom of the camera/scanner view that is instructional text for the user. Here is what I have so far: UIView *cameraOverlayView = [[UIView alloc]…
Justin
  • 17,670
  • 38
  • 132
  • 201
3
votes
0 answers

Issue with ZBar library in Android Nogut

I am using Z Bar library in my Android application and everything is working fine except it is showing some warnings on application starting. Warning message: " detected problems with app native libraries text relocation libiconv.so: text…
SwapnilTripathi
  • 31
  • 3
3
votes
2 answers

Zbar scanner not supported for Android 6.0

when i click the scan ,its throw error like , But previous versions till lollipop its working good . java.lang.UnsatisfiedLinkError: dlopen failed: /data/app/xxxxxxx-xxx/lib/arm/libiconv.so: has text relocations at…
Abdul Basith
  • 51
  • 1
  • 5
3
votes
1 answer

Data matrix scan works very slow and imprecise with ZBar on Android

I integrated zBar library in my Android project in order to scan multiple types of codes, including data matrix. The library works very fast and precise for QR code and bar code, but when it comes to data matrix, I hardly get any result. In most of…
Dacian Mujdar
  • 585
  • 2
  • 17
3
votes
3 answers

ZBar: Undefined symbols for architecture armv7

I am using the zBar library on an iOS 8 project and I get these compiler warnings: Undefined symbols for architecture armv7: "_iconv", referenced from: _qr_code_data_list_extract_text in libzbar.a(qrdectxt.o) "_iconv_open", referenced…
mm24
  • 9,280
  • 12
  • 75
  • 170
3
votes
1 answer

Is anyone having difficulty with getting ZBar to work in their iOS8 / Xcode project?

Has Anyone else experienced this issue with ZBar? My app stopped detecting bar codes when I migrated my project to XCode 6 / iOS8 and I am using ZBar 1.3 code. No error message is thrown. App just stopped detecting bar codes. I recompiled my ZBar…
drvannostran98
  • 97
  • 8
3
votes
3 answers

Unable to link ZBar SDK with Xcode 5

Downloaded ZBar Imported the contents in to the group. Added library file libzbar.a in build phases. But when I'm tried to build (both 32 bit & 64 bit), it got the follower linker error. I have attached the screenshot of the setup in the bottom of…
Icoder
  • 330
  • 3
  • 25
3
votes
1 answer

ZbarSDK : stop processing without disabling camera

I have an app that should be able to scan a lot of QR Codes in few minutes. So it has to be reactive. I use ZBarSDK and I am satisfied with it. When data are received by the delegate with processScannedData:(NSString *)scannedData, I present a…
ffarquet
  • 1,263
  • 12
  • 27
3
votes
2 answers

Scanning and capturing barcode with ZBar

Trying to use ZBar to capture a barcode. I have the following code in place at the moment. The scanner shows, and appears to scan the barcode as the green overlay appears around the code. I don't know how to capture the decoded results. I'm…
Luke Smith
  • 682
  • 6
  • 18
3
votes
1 answer

How to allow the Nexus7 use the front camera for scanning barcode when back camera is missing

I need to ask a questrion related to barcode scanning, I am using an app that scans barcodes and searches the web fr the results. Now this is my method where i create instance of my camera object /** A safe way to get an instance of the Camera…
Varun
  • 87
  • 1
  • 10
3
votes
1 answer

Inconsistency barcode results using ZBarReaderViewController in ios

I am doing one iOS app in which I have to scan the barcodes . I have used ZBarReaderViewController for scanning the barcodes . Sometimes it is giving the result accurately but sometimes it is giving unknown value like this &7&#,Ac9 .My Image is My…
Tendulkar
  • 5,550
  • 2
  • 27
  • 53
3
votes
3 answers

ZBarReaderView UIView Camera orientation issue

I'm currently developing an iPad application that is using ZBarSDK for reading QR Codes. I am using ZBarReaderView (NOT UIViewController), so i'm showing the front facing camera in a UIView that is drawn using CGRect (see code below). My problem…
Bobster4300
  • 254
  • 4
  • 15
3
votes
1 answer

Implementing ZBar QR Code Reader in UIView

I really need help here. I'm pretty new to iOS/Objective-C so sorry if the problem resolution is obvious or if my code is terrible. Be easy on me!! :-) I'm struggling to integrate ZBarSDK for reading QR Codes into an iPad app i'm building. If I use…
Bobster4300
  • 254
  • 4
  • 15
1 2
3
…
14 15