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How do I go about building a GPS tracking system with mobile (with GPS) in C#.net ?
The scenario is
Track a user (service engineer, nothing illegal here) via a GPS enabled mobile Phone. What software and hardware will I require? Is there any open source implementation?
For a vehicle tracking system, how do I go about with GPS? I would like to know the various steps/procedure. I am looking for some right direction.
I built a Window Forms version to display information from a GPS. Haven't really touched it much since, but if you are interested the code is on CodePlex.
http://gps.codeplex.com/SourceControl/changeset/view/24953#146657
All that you need to do to get this tracking somebody is
Convert to Windows Mobile
Build a Web Service for recording location
Modify code to post location to Web Service every so often
Really I already did the hard work, or parsing the GPS commands from the serial connection for you. :)
Its actually not that hard (done it myself!).
Best place to start looking is here:
http://msdn.microsoft.com/en-us/library/bb158708.aspx
You will need to download the windows mobile 6.0 SDK from here:
http://www.microsoft.com/downloads/details.aspx?FamilyID=06111A3A-A651-4745-88EF-3D48091A390B&displaylang=en
The sdk actually contains a sample GPS application that you can use to customize to your own needs.
I've been looking into this myself and I came across this
http://www.codeplex.com/SharpGPS
It's a GPS library based on .NET 2 full or CF, I haven't tried it yet but it looks pretty promising
Since you mention C#, you will need a phone that runs Windows Mobile. And has GPS of course.
After you download and install the WinMob 6.1 SDK, you can simply start a Smart Device project in V. Studio.
You can read the GPS either through a SerialPort or use the GPS API. There is a managed wrapper for the API in the SDK samples folder. (The WM 5 version had some problems, Google for that).
When you can read the position, you will have to send it to a Server somewhere. WinMob has support for calling WebServices in a intermittently connected situations.
you can find more info at:
http://www.miisoft.it/portale/index.php/programmazione/37-c/51-gps-parte-i
Here you can find notice about gps, parsing NMEA string and example code.
First define the requirements, what functionalities your software should have
Decide on the platform: iPhone, Windows Mobile, Symbian, Android or something else
With "C#.net" you will likely be able to develop only for Windows Mobile.
If you are wanting a vehicle tracking system, why not buy one, as there are plenty out there. If you don't really know how to go about it, I'm not sure you'll be able to produce a solution at lower cost than a commercial system.
Try tracking location of GPS enabled mobile in PC:
develope android app in mobile (which gives permission to access GPS...coded in Android Manifest.xml)
develope PC app using .net which takes Location data from server and plot the location on PC by automatically generating Javascript
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Say I coded some application in C# using visual studio. Is there anyway I can take this application and embed it into a website so folks can use it from a website in the same way I would use it from my desktop?
If you coded a console application - no.
If you coded a winforms application - no.
If you coded a WPF application - yes
Two options:
Migrate it to silver light and it will only work on browsers which can install the silver light plug in. keep in mind that silver light is being disbanded by Microsoft, so it is not considered a recommended practice anymore even by MS. also consider that not everyone would agree to install silver light plugin for their browser.
You can also migrate your WPF to become a browser application - but this will require the client machine to have .Net installed on it - so this is like a replacement solution to what once was achieved by ActiveX technology.
Main difference between those two options is that the 1st one is cross-platform/cross-browser solution and the 2nd one is not.. however this might change in the future as .net is becoming available to Linux too..
If you coded ASP.Net - it is already designed for developing web applications.
I'm not sure what exactly you are trying to achieve but I think the WPF/Browser APP is what you looking for, you can read more about it in How to: Create a New WPF Browser Application Project
Edit:
I thought I'd mention if you have a Console or Winform app that people wish to use remotely (ie via a web browser) don't forget they can use Remote Desktop to access the application. Many large enterprises do this using Citrix. Often this is more practical when the cost of rewriting legacy applications is not feasible.
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I'm trying to build software for property management, which includes full accounting support, document storage, client data handling and mail merge functionality.
I want to work with the smallest arsenal of tools that I'll need for the job - the simpler the better! It won't be graphics-intensive and support for multimedia is not required, but I would really like remote access.
95% of usage will be by property managers through their local desktop installations.
5% will be by owners, who want to check their account balance online, and change their personal details in the DB. There can be no installation for this.
Will asp.net suffice for this 5% remote access?
I only have a small amount of experience with winforms, and could learn asp.net if that's what I need for the remote access. My question is: Will this be enough for my objectives, or am I going to kick myself halfway through for not using something else? (WPF, Silverlight etc)
Thank you. I did ask this https://stackoverflow.com/questions/22628436/c-sharp-property-management-database-software-should-i-use-wpf-winforms-or-si earlier but didn't receive satisfactory results, and have changed my question slightly.
EDIT:
By data processing I mean running functions like "charge all 2,000 owners in the system a management fee increase of 5%" or "process all creditor payments into a batch banking file".
First of all, don't go for WinForms and Silverlight,
WPF is much more useful than WinForms
likewise ASP.net or ASP.net MVC based applications are more useful than Silverlight based web applications. And if you are planning to go for a web based solution, choose ASP.net MVC.
Now, concerning your decision to choose between desktop and web based solutions, I would personally suggest to go for a web based solution if there is no specific requirement which holds you going online. Also Google on pros and cons of web and desktop applications and this link.
And if you find out that a desktop application suits you, then develop it in WPF not in WinForms.
:)
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I'm new to C# and decided to write a small client server chat application to approach the new language with learn by doing.
The question I have now is whats the best way to code the server part on.
The client is built with C# and for now a MySQL connection to my hosting server(Linux).
But i realized this is a dumb way to go at it.
So I was thinking of writing a server part that all clients connect to and that server will have a MSSQL connection and handle all the requests and chat delegation.
So the options I'm thinking about is either
WCF Service (as I understood they can be installed on any IIS server)
Windows Service (don't know if you can run this on hosts online)
ASP.NET WebService (This would actually only by a website that takes requests)
Node.js with socket.io
Other options?
What do you guys think would be the best approach for his?
To keep in mind is that I would like this server to be hosted online without spending tons of money on a VPS-Server or similar.
As the most productive solution, you should probably go with SignalR (http://signalr.net/), or ServiceStack (https://servicestack.net).
Both "frameworks" are fully mono compatible, so you can run the solution you build on your linux-server.
As an ORM-Mapper, you could use the EntityFramework, which would allow you to use not only your linux-server, but also your MySQL-DB. See this blog-post for more details: http://blog.3d-logic.com/2013/04/14/entity-framework-6-on-mono/
Depending on your "other language"-knowledge, you want probabbly to start off with no framework at all, but to build everything from scratch.
Maybe it was just me, but I learned the most about how .net works, as I had to "rebuild" stuff like linq, etc.
You can also consider:
ServiceStack
ASP .Net Web Api
Windows Service is not a technology, it is may be using as host (IIS, Windows service)
The easiest way to get started is to stay in the Microsoft walled garden and adhere there their ideas about how this should be done. Microsoft developer products integrate exceptionally well.
Probably a console application connecting to a WCF service connecting to a SQL Server using Entity Framework.
This is rather straight-forward to set up. Tutorials for this are available in heaps. Make sure to use recent tutorials and try to stay simple.
I advise against writing a chat because that requires either polling or a push mechanism. I think that is unnecessary for a beginner project. Write a data-driven application like a to-do list. Get fancy later. The first steps are hard enough.
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NOTE: This isn't something that would use a mic. I want to INTERNALLY record audio.
I would like to write a program in C# or Java that records audio data sent to the speakers in my computer. The end product would allow the user to hit a "record" button, and anything being played at the moment would be recorded internally until the user hits the "stop" button, at which point all data collected is saved to an audio file like a wav, mp3, etc.
I have a MacBook Pro that runs Windows 7 in parallel. I have access to several PCs, so I also can work on a pure Windows platform. Ideally it wouldn't matter what platform, though.
I have no idea where to get started--the most I've ever done with music is to play a .wav file in Java. If anyone has any advice, references, suggestions, technology preferences for either language, etc., I'd love to here it!
What you are trying to do is very operating system dependent. You would need to write a program that creates a fake audio output device that the operating system could send the sounds to. Instead of playing the audio you would capture the audio stream once the user hits "record" and stop capturing when the user hits "stop". Then you would need to encode the captured audio data into the desired sound file format (wav, mp3, etc.).
It is possible to do what you are asking, but it is a non-trivial task since you are interfacing with the operating system's audio hardware abstraction layer and encoding audio.
To point you to right direction if you are going to use C#.
There is no support for doing this in .NET framework, however you can access Windows API from .NET. A good start point is http://www.pinvoke.net.
You’ll also find the code for each API write in C#. I have no clue which API calls you should use, but if there is any then it exit in Win32 API. I know of a software that dose what you try accomplish. The name of the software is Spotify Ripper. If you use an API spy software you may be able to see which API calls this software is using!
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I want to connect to a USB Webcam in .NET, specifically using C#. Being new to .NET I don't know what kind of support there is in the standard libraries for doing so. I found one example on the web that copies bitmaps through the clipboard, but that seems very hacky (and probably slow). Is there a better way?
You will need to use Windows Image Acquisition (WIA) to integrate a webcam with your application. There are plenty examples of this readily available. Here is a C# Webcam User Control with source.
Here are some more articles and blog posts from people looking to solve the same problem you are:
MSDN Coding4Fun: Look at me! Windows Image Acquisition
CodeProject: WIA Scripting and .NET
CodeProject: WebCam Fast Image Capture Service using WIA
clausn.dk: Webcam control from C# and WIA
Interesting side note, WIA isn't supported by Vista for doing Captures from Webcams anymore. They mainly targeted it towards Scanners and pulling stills from cameras.
Also, larger manufacturers like logitech have abandoned WIA is favor of DirectShow.
Here is nice example of doing this. It's using DirectShow.Net (http://directshownet.sourceforge.net/), which is propably better than using "clipboard" :D.
https://www.codeproject.com/Articles/18511/Webcam-using-DirectShow-NET
Theres a package with functions with a lot of things to do with computer vision systems called AForge. And they have an easy way to get webcam images from a USB camera if you're still looking.
Just check out the sample code for computer vision motion sensor example code. I'm sure you can pull out the function calls you need from it as I did.
[sorry to necro, but this could be of use to someone in the future]
On my computer, WIA was painstakingly sloooow... so i decided to give the Windows Multimedia Video Capture a try.
You can find a demo here.
It really depends on what you want to do. WIA is primarily for capturing stills from imaging devices, and DirectShow (used either through directshow.net or managed DirectX) is for access to fuller video features.
The other option is to create a WPF application. It has a huge amount of built in support for video (to the extent that having a looping video clip as a button is pretty trivial), and should be quick and easy to develop.