Barcodes | .Net barcode creater | Barcode Processing library
kandi X-RAY | Barcodes Summary
kandi X-RAY | Barcodes Summary
More to be added over time including 3D barcodes like PDF417 & Data Matrix & the 4 state barcodes used by post offices. I’m also aiming to add GS1 Databar as soon as I get hold of the standard.
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QUESTION
I am stuck on an attempt to write "idiomatic" Kotlin async code. I am trying to refactor a barcode scanner as a top/ package level function.
How could I make the thread wait for the scanner.process(image) to complete, and return the list of barcodes before continuing?
The code partially shows my "closest" attempt to solve the problem.
...ANSWER
Answered 2022-Mar-23 at 10:37You can rewrite the fun runBarcode() as below.
QUESTION
I'm creating a PowerShell script for DPM which outputs offsite ready tapes. The below code takes a few seconds to complete the DPM connection and to return the query, which is fine.
...ANSWER
Answered 2022-Mar-10 at 23:05# Omit Format-Table initially, so as to store actual *data* in $tapes,
# not *formatting instructions*, which is what Format-* cmdlets return.
$tapes = Get-DPMTape -DPMLibrary $DPMLib |
Where-Object {$_.Barcode -notlike "CLN*"} |
Where-Object {$_.DisplayString -notlike "Free"} |
Where-Object {$_.CreationDate -gt $Monday} |
Sort-Object Barcode
# Now you can apply the desired formatting.
Write-Host "`nOffsite Ready Tapes:" -ForegroundColor Cyan
$tapes | Format-Table -Property $Formatting
# Thanks to PowerShell's member-access enumeration feature,
# accessing property .Barcode on the entire $tapes *collection*
# conveniently returns its *elements'* property values.
# -join ',' joins them with commas.
$tapes.Barcode -join ','
QUESTION
So I Have a Zebra MC330M device.
I created earliar an application, and I would like to use the PDA built in barcode scanner.
If is run my app in debug mode, everything working well, I can read the barcodes, but If I create an staged or relase version apk, the barcode reader inactive, so the red light doesn't light if I press the button.
I created a simple,to demonstrate the problem, but you can reproduce the problem if you device has EMDK, else you get an exception. Project
I implemented all of stuff by this tutorial: https://techdocs.zebra.com/emdk-for-android/11-0/tutorial/tutBasicScanningAPI
So I added this into gradle: compileOnly 'com.symbol:emdk:7.6.+'
I added thease two lines to the manfest:
ANSWER
Answered 2022-Jan-31 at 07:47Please add the following to your manifest under the uses-permission tag:
QUESTION
After upgrading to android 12, the application is not compiling. It shows
"Manifest merger failed with multiple errors, see logs"
Error showing in Merged manifest:
Merging Errors: Error: android:exported needs to be explicitly specified for . Apps targeting Android 12 and higher are required to specify an explicit value for
android:exportedwhen the corresponding component has an intent filter defined. See https://developer.android.com/guide/topics/manifest/activity-element#exported for details. main manifest (this file)
I have set all the activity with android:exported="false". But it is still showing this issue.
My manifest file:
...ANSWER
Answered 2021-Aug-04 at 09:18I'm not sure what you're using to code, but in order to set it in Android Studio, open the manifest of your project and under the "activity" section, put android:exported="true"(or false if that is what you prefer). I have attached an example.
QUESTION
I have printed many barcodes using cl-pdf.
The barcode for "16537" doesn't scan. Others (e.g., "11537") do. I produced them using:
...ANSWER
Answered 2022-Feb-18 at 22:48This is due to an incorrect value in cl-pdf in bar-codes.lisp in *table*. In that table, the Code B character for value 64 is \#' but should be \#`. This causes incorrect codes when encoding a string which contains \#' including if \#' is the check character. For "16537", \#' is the check character.
I put this as an issue here
Update: 2/18/22 Fixed by Marc Battyani
QUESTION
I am trying to implement barcode scanning in my Xamarin form, but no success.
I am able to get the camera working, but I don't see the red line on the screen and it simply refuses to scan anything
I tried this answer. I can see thru my camera, but no red line appears. But I can put the torch on and off
XAML code:
...ANSWER
Answered 2022-Feb-14 at 14:57In my working project I used this xaml declaration:
QUESTION
I've come across this problem many times over the years and still live in hope that there is an easy way to do this that I have missed. I work with barcodes a lot. They are usually made of black dots or lines on a white background. Barcode readers generally work faster and more accurately when the edges are crisp and then size of the lines or dots are precise.
Most barcode generation algorithms will give you a compact barcode usually with the smallest element size being one pixel. A typical QR code could fit in a 21 x 21 grid. This would be too small to see if printed pixel to pixel on most printers and would typically be scaled up. The result of scaling it up depends on the method used and although sometimes you are given a choice, often you have no options that make the image suitable. Even printing directly will often give you expected gray artefacts or forms of dithering. The most consistent way I have found is to scale the images before they are use daily in other places such as Microsoft Word, lightburn and a few others I use that still give me a headache.
Below I will go through what I have tried and show the results. I am limiting this to bitmaps only because using vectors here is not something I need on my current project.
My current best resolution is not pretty, it is slow and although I could improve the speed by locking the bits in the bitmap, I am hoping someone has a really simple answer that I had totally missed on my search again this time.
Here is an image of a simple QR code blown up in GIMP.
The problem is, if it is scaled up, it'll often end up looking like this:
Below I created a small test program to go through all the different modes I know of and then generate a matrix of images which I have reproduced below. The version I currently use is Mode 99 which involves inspecting each pixel and drawing a square.
Does anyone have any better ideas?
...ANSWER
Answered 2022-Feb-09 at 19:27You can use a library like ImageTracer.NET to convert the image to a vector image, then it'll scale as big as you need:
QUESTION
I have a collection of Barcodes that contains a collection of Positions. How do I set the DataContext of a custom control to a Position item in the collection?
...ANSWER
Answered 2022-Jan-31 at 20:07The root element in the ItemTemplate inherits the DataContext so you can remove DataContext="{Binding}".
QUESTION
My pom includes the itext7-core artifact.
...ANSWER
Answered 2022-Jan-28 at 03:49The solution with JPackageScriptFX is the best. Thanks Jewelsea. Jmods from javafx copied to C:/jdk/jmods. Then in bat file
QUESTION
I'm developing a Xamarin.Forms app. I have a button which triggers the Scanner.
...ANSWER
Answered 2022-Jan-19 at 14:18Based on the comments, your question then becomes not to suppress the behaviour you're seeing but handle it. So you could put a static flag in the App class so you know the scanner is active and put your handler code inside this.
App.xaml.cs:
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