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Questions tagged [zxing.net]

zxing.net is a library which supports decoding and generating of barcodes

zxing.net is a library which supports decoding and generating of barcodes (like QR Code, PDF 417, EAN, UPC, Aztec, Data Matrix, Codabar) within images.

The project is a port of the java based barcode reader and generator library ZXing. https://github.com/zxing/zxing It has been ported by hand with a lot of optimizations and improvements.

There is a mirror of the repository at github: https://github.com/micjahn/ZXing.Net

Site: https://zxingnet.codeplex.com/

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How do I use ZXing.Net scanner in Xamarin forms alongside other UI elements?

I'm looking at the sample for ZXing.net for Xamarin.Forms and it's using a code only approach to scanning the barcode. I used this question as inspiration to get the following code, but I'm not entirely sure how to manage the scan event while using…
TLDR
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ZXing .Net - Unable to decode/read any barcodes in images

I am trying to use ZXing .Net to decode barcodes in images taken from a camera but it is not working for any image I try. Here's the code I'm currently using: protected void ReadBarcodeZXing(string imagePath) { BarcodeReader reader = new…
user3636407
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Zxing PDF417 Recognition

I'm having some trouble getting Zxing to recognise a PDF417 code like the following: I've tried on a few other large examples and none of them seem to be working either. It works fine on smaller samples though. I was just wondering if Zxing was…
Braeden Orchard
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XZing and Xamarin Forms

I'm trying to use ZXing to render a simple barcode on screen in Xamarin. I've added the ZXing package to my solution and have the following code: BarcodeWriterPixelData writer = new BarcodeWriterPixelData { Format =…
Amir Peivandi
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I have developed an android app which scans QR code labelled on the product .Apps like Inigma is working fine but my app fails to scan

Need Help in code optimization. I have developed an android app which scans QR code labeled on the product. I have tested few scenarios where other apps like Inigma is working fine but my app fails to scan : following cases : 1 ) when I scan…
ashutosh gupta
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ZXing, DataMatrix Reader with TryInverted color option doesn't seems to work on iOs (Xamarin.Forms)

I am developing an App using Xamarin.Forms and Visual Studio, and I also try to use ZXing.Net.Mobile and ZXing.Net.Mobile.Forms Nuget Packages to scan DataMatrix. By default everything works fine, except when DataMatrix are printed using inverted…
Alexis44
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Unable to scan code39 barcodes - xamarin forms

I'm using ZXing.Mobile.Forms to scan the barcodes. I'm trying to scan the Code39 formatted barcode. If the barcode has fewer values like 1231214,14123 then it gives me a result. But it is not scanning the barcodes that are having values more than…
Ajith
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ZXing.Net.Mobile crashes app

I'm using ZXing.Net.Mobile.Forms in my project. Tried both FreshMVVM and Prism. ScannerXamlPage.xaml
user7885142
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ZXing recognizes alphabetical Code 128 as UPC E

I generate a Code 128-Barcode with alphabetical data with Dymo Labelprinter. Dymo calls the Type "Code128Auto". Recognition with Zbar works fine. But ZXing regognizes "UG18/04/10363" as "UPC E" with the Text "06118745". I tried to force Code128, but…
user9691205
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zxing asp.net 4.0 BarcodeReader

I'm trying to use zxing.net in a test project, this is my code: protected void Button1_Click(object sender, EventArgs e) { if (Page.IsPostBack) { Bitmap bitmap = new Bitmap(Server.MapPath(Image1.ImageUrl)); …
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How do I read 2D barcode PDF-417 using ZXing.net.mobile library for Xamarin.Android

I am developing an Android app using Xamarin.Android and the ZXing.net.mobile C# library. I want to develop an Android app to scan 2D barcode in PDF-417 that is encoded in base64 string. This is my first time to use this library and still have not…
Seggie
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Strange behavior of ZXing.Net when reading a barcode

My code: IBarcodeReaderGeneric reader = new BarcodeReaderGeneric() { AutoRotate = true, TryInverted = true, Options = { PossibleFormats = new List {…
MiXaiL
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Can ZXing.Net be used to interpret barcode from scanner?

I've been trying to research some ZXing.net examples for barcode scanning and all that I have come up with so far is examples that scan the barcode from an image. Is ZXing.net capable of interpreting the scan from any generic (non-image based)…
CurlyShuffle
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Zxing Mobile doesn't stop analysing on iOS

Net.Mobile to implement barcode scanning into an app. I currently have a little demo app that has implemented a scanning page, I can read barcodes and do something. I'm using Xamarin Forms to implement the barcode scanning. I looked at the sample…
Bodungus
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DataMatrix Barcode Format Blurred in ZXingBarcodeImageView Xamarin Forms Zxing 2.3.2

I'm trying to display DataMatrix barcode inside ZXingBarcodeImageView, the problem is whatever width and height I use the barcode is blurry with low resolution. Screenshot
Elias Nawfal
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