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Commented Unassigned: Code 39 scan returns wrong string on Android [13281]

September 8, 2014, 2:10 pm
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When a code 39 barcode contains the $ character, on xamarin android, the returned string escapes the $ and substracts 64 to the binary value of the following character, for example the attached barcode should read "$A $B" (decimal bytes: 36, 65, 32, 36, 66) but the resulting decimal bytes are 1, 32, 2.

The standalone android app reads the barcode correctly (or has a workaround).
A text QR code with the same string is read correctly.
Comments: ** Comment from web user: semicolo **

Forgot to mention this happens on version 1.4.6

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New Post: Windows Phone 8.1

September 9, 2014, 1:04 am
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Ok i just did it!

I've just initialized the camera asynchronous and added some settings 
FocusSettings focusSetting = new FocusSettings()
            {
                Mode = FocusMode.Continuous,
                AutoFocusRange = AutoFocusRange.Normal,
                DisableDriverFallback = false,
                WaitForFocus = true
            };
Now it does work fast!
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Commented Unassigned: Code 39 scan returns wrong string on Android [13281]

September 9, 2014, 1:29 pm
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When a code 39 barcode contains the $ character, on xamarin android, the returned string escapes the $ and substracts 64 to the binary value of the following character, for example the attached barcode should read "$A $B" (decimal bytes: 36, 65, 32, 36, 66) but the resulting decimal bytes are 1, 32, 2.

The standalone android app reads the barcode correctly (or has a workaround).
A text QR code with the same string is read correctly.
Comments: ** Comment from web user: micjahn **

That's because the Code39 Extended Mode is enabled.
The decoding hint USE_CODE_39_EXTENDED_MODE should not be set to get the correct behaviour in your case.
But you use the ZXing.Net.Mobile Xamarin component. The project here is only the base library of the component. Please open a new issue at the project page of ZXing.Net.Mobile if you can't disable the extended mode anywhere in the options of the component.

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Closed Unassigned: Code 39 scan returns wrong string on Android [13281]

September 9, 2014, 1:30 pm
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When a code 39 barcode contains the $ character, on xamarin android, the returned string escapes the $ and substracts 64 to the binary value of the following character, for example the attached barcode should read "$A $B" (decimal bytes: 36, 65, 32, 36, 66) but the resulting decimal bytes are 1, 32, 2.

The standalone android app reads the barcode correctly (or has a workaround).
A text QR code with the same string is read correctly.
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Patch Uploaded: #16792

September 11, 2014, 2:31 pm
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rhatgadkar has uploaded a patch.

Description:
This is a shipping label reader program. I have added support for decoding of IMBs.

Instructions:
Run the program, make sure the "Get tracking number" checkbox is checked, select one of the image files that are in the patch. It will output the IMB tracking number.

Changes:
I added a BinaryBitmap as another argument to decodeRow().
My implementation of the IMB decoder is in IMBReader.cs.



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New Post: No autofocus to scan a simple barcode CODE39, on XPERIA M2 Phone but no issue on Samsung Phone

September 15, 2014, 11:25 am
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Hello,
I develop an application special Vending Machine for maintenance on Xamarin. I use a simple barcode code39 on maintenance's document.

I tested ZXing.Net.Mobile 1.4.6 on Samsung Phone S4 Mini I9195, no issue with this phone.

But With Sony XPERIA M2 (D2303) with last rom update KitKat 4.4.2. No autofocus to scan a simple barcode CODE39, it's always blur.

Do you have a fix to resolve this issue on developp branch ?

Thank you
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New Post: how to start?

September 16, 2014, 7:02 am
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Hi
I am really new on Windows phone development and I need to créate a QR reader , I've found this zxing library but no example,.. do you know where can I see some code about it? or tutorial?

thanks a lot
Sergio
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Patch Uploaded: #16811

September 17, 2014, 8:42 am
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Redth has uploaded a patch.

Description:
Xamarin.iOS Unified API Support

There are some 'breaking' changes in the latest version of Xamarin where we now have our 'Classic' API (the old, existing one), and the new 'Unified' API which can support x64 iOS devices.

To do this, there are a number of changes to the new 'Unified' API:
- RectangleF, PointF, SizeF become CGRect, CGPoint, CGSize
- Introduction of nfloat, nint types to replace NSInteger, NSFloat, etc. Most .NET instances do not need to change for these, it's only interacting with iOS API's that may need some changes
- Namespaces drop MonoTouch. prefix (eg: using MonoTouch.UIKit; becomes using UIKit;)

To accommodate these changes in ZXing.Net.Mobile, I'm hoping you can apply this patch to your project. It adds some #if __UNIFIED__ statements to keep the code base the same for Classic and Unified API's (so both are still supported). It also adds a new zxing.ios.csproj which is the new Unified API target project type. zxing.monotouch.csproj remains as the Classic API project type.

Cheers

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New Post: how to start?

September 17, 2014, 12:04 pm
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There are a lot of demo applications for different platforms (including windows phone) in the source code repository.
You can also download the source code archive for the latest version.
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New Post: No autofocus to scan a simple barcode CODE39, on XPERIA M2 Phone but no issue on Samsung Phone

September 17, 2014, 12:05 pm
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New Post: Scan Barcode Continuously

September 17, 2014, 12:08 pm
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You can. But you have to deal with it yourself. The library gives you only the functionality to scan for barcodes in an image. How do you get the image that is your task.
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Source code checked in, #88971

September 17, 2014, 12:31 pm
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applied patch 16811: Xamarin.iOS Unified API Support
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Patch Applied: #16811

September 17, 2014, 12:32 pm
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micjahn has applied patch #16811.

Comment:
Committed with revision 88971. Thanks for your work.

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New Post: No autofocus to scan a simple barcode CODE39, on XPERIA M2 Phone but no issue on Samsung Phone

September 18, 2014, 7:43 am
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Patch Uploaded: #16818

September 18, 2014, 3:16 pm
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rhatgadkar has uploaded a patch.

Description:
.patch file for the IMB reader using the latest revision of ZXing.Net

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New Post: Scan Barcode Continuously

September 18, 2014, 5:37 pm
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Yeah, I also think that, thank you.
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Patch Uploaded: #16823

September 19, 2014, 11:34 am
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rhatgadkar has uploaded a patch.

Description:
I forgot to add my changes to OneDReader.cs, MultiFormatReader.cs, and MultiFormatOneDReader.cs in my previous patch file submission.

This patch file includes those changes and the changes that were in the previous patch file.

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New Post: Dimensions

September 19, 2014, 12:28 pm
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Under a certain size I am unable to set the dimensions of the barcode. The minimum I can get it down to is 3/4" by 2 3/26".

For example if I set Height to 150 and Width to 200 the actual bitmap size is Width = 328 and Height = 150.

If I deliberately leave the EncodingOptions null then the default sets them to 100 x 100 but that is not the aspect ratio that gets rendered.

Thanks,

Greg
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Created Unassigned: Unable to recognize QrCode after Scanning [13286]

September 22, 2014, 4:24 am
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Hi,

I cannot recognized any Qrcode with ZxingNet library, that were generated with another tool.
I've tried to scan with different resolutions, but with no success, either with zxing online decoder.
With other readers, like NeoReader in my phone, they decode perfectly.

Can you help?
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Commented Unassigned: Unable to recognize QrCode after Scanning [13286]

September 22, 2014, 5:01 am
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Hi,

I cannot recognized any Qrcode with ZxingNet library, that were generated with another tool.
I've tried to scan with different resolutions, but with no success, either with zxing online decoder.
With other readers, like NeoReader in my phone, they decode perfectly.

Can you help?
Comments: ** Comment from web user: badolfo **

Please Close this issue.

I was assuming that Result would return first qrcode detected, even with multiple QRCode in one single page. But I just discovered that I have to use DecodeMultiple.

Thank's anyway.

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