ScannerApp | Handheld scanner help supporting QR Code , Data Matrix | Document Editor library
kandi X-RAY | ScannerApp Summary
kandi X-RAY | ScannerApp Summary
Handheld scanner help supporting QR Code, Data Matrix, and PDF-417 formats using the Android Camera2 API
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Top functions reviewed by kandi - BETA
- Sets the position of the camera
- Returns the best aspect picture size that can be used to display the given list of supported images
- Configures the necessary transformation to transform the view into a textureView
- Sets up the required state variables
- Capture a still picture
- Release the captured state
- Initializes the data component
- Runs the precapture sequence
- Draws the overlay
- Get status bar height
- Creates the camera preview session
- Region > measure
- Is the camera 2?
- Converts an image into a NV21 image
- Draws the barcode on the given canvas
- Checks if a string is a valid URL
ScannerApp Key Features
ScannerApp Examples and Code Snippets
Community Discussions
Trending Discussions on ScannerApp
QUESTION
I have many QR codes ex. Example on imgur, which has peoples' names, numbers, and emails, and I need to scan them. The data comes in something like this: "joe,1234567890,joe@joe.com". I want to write an app that uploads the data to a google sheet and I found a tutorial online from crazycodersclub.com, but when I do the same thing it gives me an error, something like:
...ANSWER
Answered 2020-Nov-20 at 09:49The reason you were receiving the Exception: Invalid argument: URL
message is because the url
you were passing to the openByUrl
was not in the correct format.
If you check the documentation for the openByUrl
method here, you can see the accepted format of the link.
QUESTION
I am new to Raspbian. I have a mono WinForms app on Raspbian on RPi + official 7" display. It works fine when I execute start-app.sh
script via the UI (double click the file) and via the terminal (/home/pi/scannerapp/start-app.sh
).
Script (start-app.sh
):
ANSWER
Answered 2018-Jul-26 at 18:30I ended up removing my edits from rc.local and made the call to the start-app.sh script in /etc/xdg/lxsession/LXDE-pi/autostart by editing it with sudo nano. That is now working on boot. From my understanding, calling the script from the rc.local file was doing so outside of the X display environment, hence the X display error and why it needed to be called from within the display environment (/lxde-pi/autostart) instead.
See this for more info on auto running GUI apps: http://www.raspberry-projects.com/pi/pi-operating-systems/raspbian/auto-running-programs-gui
QUESTION
We have a TFS 2017 build that I've just ported (recreated) to a different project and one of my .sln files isn't being built. The bin\release folder is empty after the build step. Here's the command being executed by the build step:
...ANSWER
Answered 2018-May-24 at 23:16Thanks Daniel - I added the parameter:
/p:OutDir=$(Build.SourcesDirectory)/CorePlatform\ScannerService\ScannerService\bin\x86\Release
and it works now. No idea why I have to do this when all of my other projects build as expected.
QUESTION
I'm using Autofac as a dependency injection system in a C# solution that spans several class libraries and several executables. I'm using modules to configure Autofac, but that still leaves me with the issue of building the DI container, which varies depending upon which executable I'm composing it for.
I tried using Autofac's RegisterAssemblyModules, but you have to give it a list of assemblies to scan, and until some Type in a class library assembly is used, the assembly isn't loaded, and hence not available to scan.
Some people recommend loading every assembly in the bin directory which might have an Autofac module definition in it. But that seems to pose the risk of an undesired assembly getting slipped into action.
So what I came up with is this static class, which is defined in a common class library:
...ANSWER
Answered 2018-Jan-03 at 07:25Every executable application should have its own unique DI configuration. Libraries and frameworks should be built to be DI-friendly, but not actually reference any DI container.
A composition root is an application's configuration. Sharing it between applications is similar to sharing a .config
file between applications - that is, it is not usually done. See Composition Root Reuse.
If you are going to use autofac modules, they should be a part of the application that uses them, not included in the assembly with the components that are being composed. While it may seem like you are gaining something by not having to repeat the configuration code in every application, the main issue with doing this is that it means your application has lost one of the main benefits of DI - that is, it cannot provide an alternative implementation of any given component. The whole point of making a library loosely-coupled is that it allows the decision of how the application will be coupled together to ultimately be made by the application that hosts the components.
Pet peeve: Also note that how many projects or solutions you have has absolutely nothing to do with the runtime behavior of an application (such as how it is composed). Projects and solutions are a way to organize code before it is compiled - once the code is compiled, there is no concept of "project" or "solution", all you are left with are "assemblies" that may depend on other "assemblies". For each application you end up with an executable assembly and 0 or more dependent assemblies. The composition root should only exist in the executable assembly.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install ScannerApp
You can use ScannerApp like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the ScannerApp component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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