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Iphone Apps using C#/Mono

There are various questions (mainly around 2009 to early 2010) discussing use of the Mono framework to write apps in C# and deploy them to iPhone. Also there is some discussion of the Unity Framework, but I'm more interested in a fairly standard UI app.
Has anyone successfully developed and released a commercial quality app using C#/Mono? If so, what were the lessons learnt? Pain points? If you know of other people who have done so, how have they fared?
Thanks!
Mark

The basic answer is yes, there are a lot of applications out there that have been developed using MonoTouch. You can find some nice numbers on Novell's site but there are a ton of games and other application is the AppStore that were developed using MonoTouch.
I would start your investigation by going to review articles that walk through the good and bad of MonoTouch. For example, here is a good starting place:
http://www.bryanthankins.com/techblog/2010/01/17/monotouch-review-porting-an-obj-c-app/
http://www.devproconnections.com/article/mobile-development/review-monotouch-enterprise
Then I would look through some tutorials to see how exactly this is done so you can see if it will fit in your environment. There are a lot out there that show off how to use MonoTouch, including these:
http://vimeo.com/6689472
http://blog.keen-edge.com/category/monotouch/
Finally, I would look at what is happening currently with Attachmate and the takeover of Novell. There are some real issues there that may cause you to reconsider going with MonoTouch. For example, while Mono's future may be unclear at Attachmate, it seems that it might be continued through another company:
http://ostatic.com/blog/mono-continues-without-novell-attachmate
This uncertainty might not be what you want in a project you are counting on so you need to work through that before committing.

Are there any drawbacks to learning C# in MonoDevelop?

I want to learn C# because... It seems to be a pretty marketable language these days. More than C, not so much as PHP/MySQL in my area, but I'd rather be a software developer than a web developer. Anyways, I'm running linux, and I have no hope of working on a windows platform until I buy a new computer. So, are there any drawbacks to learning C# under linux? If so, are there any good lessons online for doing such a thing? Any good tutorials online for learning C# in general?
update
so what I'm getting is that the main drawback is that although the full C# language spec is implemented in mono, the full .Net framework isn't. But, until I can get a new system and run windows, I guess lacking the full framework will have to do.

The language spec is fully implemented but the framework itself is not. So learning C# the language will be no different (ignoring the benefits of using visual studio as your IDE). Writing against the framework will be a bit different.
edit> It also depends on what kind of programming you intend to do. Much of the parts of mono that aren't complete are also often edge cases for beginners that you aren't likely to run into. So if you're just learning C#, there's a very good chance that you won't come across the parts of the framework that haven't been implemented yet (and I mean yet, they are very fast at updating mono from what I've seen so far, so by the time you're ready to really explore the framework and all that it entails, there's a good chance that it might be completed by then)

learning C# on linux may actually be good, when you start doing it on windows, you will know both. The IDE will not be as modern, but I'll bet there are not many people that can do it on both.
You'll be able to concentrate on the actual C# language and you can learn the microsoft IDE when you get to use C# on windows.

The major drawbacks that I see are:
The latest .NET versions are not supported
Different tools between Mono and Visual Studio
In spite of that, I think you can learn a lot about C# on Mono.

Any good tutorials online for learning C# in general?
Here's a tutorial I wrote:
http://www.csharp-station.com/Tutorial.aspx
Feedback has indicated that all of the code in the tutorial runs fine on Mono.
Joe

Learning the language should not hurt, I would not depend on it to land you a job. However, keep in mind that many of the runtime services that are accessed via C# may not be available. Knowledge of those services is perhaps just as, if not more, important the language itself.

The main problem with C# on Linux is that your development system will not be as good, in most people's estimation. But you may get really good at vi(1)...

On MonoDevelop you won't have all the newest features of the .NET framework, it's somewhere between 2.0 and 3.5.
It supports C#3.0 though.

Mono is gaining traction very, very quickly. I've heard rumblings that MS is silently supporting Mono (see their approach with getting SL to run on Linux). In some cases, mono actually outperforms .net on a windows based server.
The downside would be the IDE and features, as many have already mentioned. Visual Studio is by far the best IDE out there.
It does support Asp.Net MVC IIRC though.

Mono overcomes the single biggest drawback to using .NET from Microsoft for many developers, the requirement to run on the Windows platform. By bringing the shared source release of the .NET Framework to multiple platforms and then building an open source project around extending it, The Mono Project has made the strengths of .NET available to a wide range of developers. The ability to develop using a variety of languages, all using a common interface and deployable on a number of platforms is a very compelling development strategy.
As far as the web services aspects of Mono are concerned, nearly all of the Framework is complete meaning a developer can begin developing web services today using Mono. Mono features nearly complete implementations of ASP.NET, ADO.NET and Web Forms, along with almost all of the SYSTEM namespace. For more a detailed visit mono's official site,mono-project.com check out these articles on Cool Solutions for Developers:

Well there is nothing wrong if we learn something & probably we might end up improving it which will be more useful to the future users.Probably that is the power of open source.I think all developers will agree to this point :)

What is the Java equivalent to C#'s Windows Forms for building GUI apps easily and rapidly

I wanted to learn to program and looked at both Java and C#. I decided to go with C# because it was so easy to just open a form and plop some buttons and text boxes on it. With just one download, C# Express got me going.
From what I saw with Java that couldn’t be done. At least not without downloading and configuring other software. All of which I found no easy instructions for. But I really wanted to learn Java.
I really don’t want to learn how to create UIs AND a new language. I’d rather just to concentrate on the code itself. Is there an easy way (like C# basically) to create Java apps?

Are you talking about a GUI builder?
There are many GUI builders out there. Some IDEs like Netbeans come with nice GUI builders for Java.

There are options in the Java community for 'one-stop downloads' like you mention. They are out there, they're just not as public as Visual Studio is. EasyEclipse is one of my favorites.

I've done a fair bit of work (> 4 years) on both platforms and the biggest difference I have found is not so much with the languages per se, but with the whole development environment. Specifically:
In .Net (be it ASP.Net, C# or VB.Net) the examples you find on MSDN or elsewhere tend to just work without a whole lot of tweaking, and the documentation is more reliable, whereas Java examples - especially the open source ones - often don't work out of the box and the documentation (yes, Apache Slide and Shindig - I'm looking at YOU!) is sometimes non-existent.
Having said that, the sheer amount of choice for plugins, libraries and the like for the Java platform is enormous, which is unsurprising considering its (largely) non-proprietary nature.

It seems to me the best and easier way to get what you want is to use Netbeans (JDK 6u14 with NetBeans IDE 6.5.1 Bundle).
It has both the JDK and the IDE in one download. And it has a easy and very good GUI builder.
Java is a very good platform and as you said it is easier to create cross platform applications, however, don't except this from the Desktop UI which, although still cross platform, not always gets right on all platforms with out modification.
You would have to add some code specific for each target desktop, but definitely that's a lot easier than write three different application ( One in Visual C#, other in GTK, and other in Cocoa )

I been learning to program in C# for a few months, but recently I signed up for a course which required Java. So I started playing around with java, first tried Netbeans then Eclipse.
I'm kinda a computer programming noobie (background mainly in web design) so take my perspective as a student. After messing around with Java for a bit i still prefer C#. While both are excellent the factors that tipped C# in my case are as follows
Easier documentation and a large variety of easy to view Video Tutorials, yes I know netbeans have a very large collection of video tutorials as well, they are encoded at such a terrible resolution and bitrate that they are largely unwatchable
Slightly easier to learn, maybe it's cause of the IDE or the syntax, but I found C# easier to pick up.
More functionality exposed right after using the IDE, you will find more controls in visual studio than compared to Netbeans. Eclipse was quite confusing for a noobie like me wading through it's massive plugins.
I think the only thing java has going for it, is that it's supported on more platforms. Though Mono is making up for the linux and Apple side so i guess it's not that bad. Either way they are both extremely productive environments, just in my humble noobie opninion C# is just slightly more intuitive to pick up.

The ability to learn to program in one language or another should most certainly not be based upon how to drag and drop GUI controls, especially since that measure is irrelevant to the language itself.
Side note: Java and C# are so similar that you'll pretty much be learning both as you go regardless.

I'd have to agree with dxmio, I switch back and forth between c# and java quite often. The two languages are quite similar.

The best way of learning programming .. is to write code!
If you know your way around Java, It's a mater of syntax to learn C#.
Programming is just as much a way of thinking in code, as knowing a language.
Personally, I didn't start with GUI. I started with BlueJ, a free "learning" compiler, for Java code.
No programmer in the world knows any language 100%. Their all sitting in their office, and playing with stackoverflow and google all day. Remember, Google is your best friend! (May be a bit of caffe too !)
Reminder: The best way to learn to write code, is to write code! If it's C, C++, C#, Java, PHP, Python or whatever you prefer, it's a matter of framework and syntax.

If you have Java in your browser, all you need is the latest Eclipse bundle.
I would suggest the Java EE edition for your platform from http://www.eclipse.org/downloads/
It appears that there are video tutorials starting from scratch at http://eclipsetutorial.sourceforge.net/totalbeginner.html

Using Netbeans, you can create Java based Swing GUIs pretty easily. Netbeans comes with a pretty nice GUI builder.
If you learn how to program in Java, I don't think it would really be that much of a stretch to create Java Swing applications from scratch. It's just a matter of learning the Swing libraries.
Not being from a .NET background, I can't comment on learning C# GUIs, but from my experience Swing was very easy to learn and it helps A LOT to understand the code underlying what the GUI builder in Netbeans generates.

I decided to go with C# because it was so easy to just open a form and plop some buttons and text boxes on it.
You can do this using builders in either language without writing any code.
With just one download, C# Express got me going.
Netbeans is the same deal for Java.
From what I saw with Java that couldn’t be done. At least not with out downloading and configuring other software.
True, you cannot develop Java with C# Express and you cannot develop in c~ using Netbeans. You do need to install two pieces of software.
All of which I found no easy instructions for.
I suggest you try http://www.google.co.uk/search?q=netbeans+gui+builder+tutorials 55,100 hits or http://www.google.co.uk/search?q=java+gui+tutorials 1,340,000 hits
But I really wanted to learn Java.
It doesn't appear you want to actually write any code or install more than one program at a time. You will find that learning to program in a language will be asking more from you than this.
Was I missing something?
Quite a bit I imagine.
I really don’t want to have to learn how to create UI’s AND a new language.
You can use a GUI builder to layout your windows, but if you want your program to do something useful, you will have to do some programing in a language.
I’d rather just want to concentrate on the code itself.
That appears to contradict everything you have just said. You can't concentrate on the code without learning the language.
Is there an easy way (like C# basically) to create Java apps?
To write apps that do something useful you are going to have to learn how to program and at least one language. I suggest you also learn how to debug and profile your program.

i found this for designing java winform application for you .
please check out
www.formdev.com
JFormDesigner™ is a professional GUI designer for Java™ Swing user interfaces. Its outstanding support for JGoodies FormLayout, GroupLayout (Free Design), TableLayout and GridBagLayout makes it easy to create professional looking forms.

Windows development for hardcore Java guy

I'm a little ashamed for asking this, because, you know, I've been very anti-MS for a long time. I have been fortunate enough as to make a living outside Visual Studio. As I grown older there are "some" things I would like to try, and to be very honest, this Q&A site has inspired me and I realize that VS and Windows Development doesn't suck that much. Hey, after all C# was designed after Java, and now Java is copying back some features from the child language. And Windows vista is the first decent version since windows came to light.
Anyway, to any +3,000 user in the audience, you may delete all the above crap and keep the following:
Do you have, links, resources, tutorial aimed to learn Windows development coming from strong Java background?
I'm very interested in Windows manipulation (that is the actual window, the frame, get the name, get foremost app etc., resize it programatically, etc.) and in Windows Search API among other minor API's. My interest after all is to integrate them with my Java apps through JNI or JNA.
I've read many tutorials and links over the MSDN, and I actually understand the API it self. I've grabbed a copy of C# and C++ Express and actually got some basic samples running.
My problem is I don't get the big picture of the whole architecture (because, well, it is big). The classes have hundreds of methods, and it not that clear to me who calls them. (I had this same opinion when I first look at the Java's Javadoc API.) I don't know some basic common objects, for instance HWCD (or something like that) that it turned out to be the very window handler, but every single tutorial I read give that for granted (as if WHCD or what ever it is, was a very descriptive name).
I don't know exactly the difference between Win32, COM, COM+, DCOM, Windows SDK ADO, and some other technologies. I mean, I know them at some degree and by common sense, but while reading the tutorials or the API I get confused. I've tried to grab some "beginner" tutorials, but they are aimed for absolute 0 programmers using Visual Basic (yiak! , THAT was the main reason I kept away from MS for so many years in first place.)
I do understand .NET framework, managed code, unmanaged code, C# basics, CLR and related stuff, because well, they are SO similar to the Java platform that it is almost transparent.
So, after all my rants and honest opinions about MS development:
What's the best way to learn Windows Development for a non absolute beginner (in programming) but absolute new to Windows APIs itself? What would be a good path?

The Petzold is your new best friend, and MSDN is your new Javadocs. Make sure you have a good understanding of C before you dive into it though. The Forger has a great beginner tutorial too if you're interested. A great place to hang out while learning is #WinProg on efnet irc, plenty of win32 gurus ready to help.

I'm going to suggest an alternate path (with less resistance). Have you looked at WPF yet? It's the new GUI toolkit that lets you create sexy interfaces (like those found in Vista).
That may be enough to keep you interested while easing into more advanced development. From there you can jump into the jungle of the Win APIs (if you choose).
Just a thought, as that path would be more interesting for me. Your mileage may vary, of course.

I strongly recommend getting yourself a copy of "Win32 Programming". It explains the basic DNA of WINDOWS - and this is valid if you are programming with the old C++ win32, the new C# WinForms and also the future Windows Presentation Foundation.
In a nutshell, a Windows program consists of a WinMain. When first started the app registers its window class with the system, initializes and then starts a message loop which continues till WM_QUIT is encountered. The system (OS) keeps pumping messages like keyboard or mouse click etc to the message Q of the application. In Windows, at any point of time there is only one active Window - so the OS knows whom to send the message to.
Well things like these are described in detail in the above book.
COM (COM+, DCOM) are not really related to Windows. When Word, Excel became popular and it was required to be able to access Excel from Word (viceversa) they came up with the AcitveX technology which is kind of the root for COM etc. You can get started with "Essential COM" by Don Box.
One warning: in the Microsoft world, there are two ways to program - to go the boiler plate way (write everything yourself) or use frameworks (MFC, ATL-COM....). It is recommended to do a bit of boiler plate so that you know the basics.

Having made the same conversion a year ago I can say that there's a lot of literature specifically for learning c# from a Java background. This was my first into which I found really useful for learning the important differences / features of C#:
C# from a Java developer's perspective
And there are also books which may be worth a look at (google 'c# for java programmers'). As JohnT said MSDN library is the equivalent of JavaDocs API, but I found it really frustrating to use. The best way to learn is to grab a copy of Visual Studio express and start playing around. Use intellisense to explore classes and methods. Find a small program you wrote in Java and try to reproduce it in C#. Start with simple problems, use google to solve them. You'll find it hard for the first week, but trust me, it will come to you surprisingly quickly!

C# Desktop Applications? [closed]

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In looking at the use of C# in a ISV setting, I'm wondering what prominent C# based desktop apps are out there? I can think of only Paint .NET.
Is C# a good idea for an ISV, or should one stick to more native environments like Delphi or even QT?
Of course any experienced based advise or feedback would be appreciated.

Yes, C# can be used quite effectivly to build applications. In regards what applciations are out there, what are you looking for? Big apps, little apps?
I know of a big app that is built on the .NET framework (unsure if C# or VB) and that is Quickbooks.

Developing a Desktop applications in C# is great. Its not just for Web Apps.
WinForms are going to save you huge amounts of time. It really is a first class citizen when it comes to desktop windows development. If interop is a problem you can always use P/Invoke and COM object wrapping that VS does for you.
Done right, it will be a breeze to maintain and update when the client changes their mind on what they want.
Yes, the framework needs to be on the machine, But this shouldn't be a problem if they have ever used windows update. Nowadays what language doesn't come with a run time library. In VS you can create simple installers that include the runtime.
Of course if your gonna deploy to Linux and mono, your mileage may very.

PlasticSCM

If you can control the system requirements for your application, C# is fine. Some end users still (even though we're nearly in 2009 now) object to a 40MB runtime for some reason, so if you're looking to deploy an application commercially, that may be an issue for you. In a corporate setting, though, where there is some standardization of software on users' computers, this is probably not a problem.
Delphi and QT specifically are both problems. Delphi is effectively a dead language. Companies that are using it these days are, for the most part, porting their code away from it as fast as they can (job boards seem to be full of Delphi-to-C# migration jobs these days). You may like QT, but that moves almost as slowly as Delphi in the Windows world, so I would never consider it to be a real option.

More:
Business Plan Pro
Rescue Time client
Sony Vegas
Sql Management Studio
VS 2010 (much more so than VS 200x)
NASA's World Wind
BabySmash
Windows Live Writer
Microsoft Office Accounting
Fiddler 2
Windows Mobile Device Center
AdiIRC
Jetbrains dotTrace
Lots of Lenovo utilities
Planbook
These are just the ones installed on my PC...

I think that Microsoft Expression Blend/Studio is written in C#

Anything done for Robotics Studio, any XNA game (quite a few commerical ones are coming out now)

I don't see why you would not use C# as an ISV. The problem is ensuring that your target market has the .NET framework. If you are using 3.5, you can build a mini version into your distribution though this increases the file sizes for downloads of course.

Some supplemental information to think about:
One of the typical points against doing desktop applications the distribution model is a lot more difficult to manage. With web apps, if you have a large user base, you can do an update and instantly have your entire user base running on the latest version.
With traditional desktop apps, you'd have to send out an .msi or build something yourself.
However, with ClickOnce and the Updater Application Block (http://msdn.microsoft.com/en-us/library/ms978574.aspx), it's so easy to build intelligent updating into your application that it might play very nicely into an ISV plan.
Even though VS 2008/WPF is shrinking the gap, it's typically much faster to develop client applications in the WinForms space that on the web, so I think it's a very viable approach.

I believe TimeSnapper is written in C#

I have worked for an ISV before that used Delphi and it was excellent for their needs. It still produces great native applications and although dieing it is certainly not dead (yet). Until recently I would have recommened Delphi over c# for desktop applications as I had performance and footprint consderations but as .net can now be considered ubiquitous and that the platform is now maturing my opinoin would probably go with c# (over Delphi).
If you need to consider employees, you will find that there are fewer Delphi developers around that c# ones. So you may struggle to entice good devleopers in as you are using that.
That said Delphi is looking exciting again with the Delphi prism VS plugin.
Just as an aside did you know that the c# compiler is written in c++? Delphi was written in Delphi from v1.0

Windows Media Centre is powered by .NET.

I believe that MS use C# to build many of their apps both Windows and Web. At this time, C# is a great language to go with because of the flexibility of the language/framework.

The zune software (v2 and up) is written in c#. Oh, and Sage Timberline Office is written in .net (mostly).

Although it's a developer tool, the excellent open source IDE SharpDevelop was built in C#. I've also worked on another which (despite being semi-commercially-available) I'm not at liberty to divulge. (Very vertical market.)
I'm a huge fan of the C#/WinForms combination, and can't see why you wouldn't go that route if your developers are already familiar with C# and you want to get into the desktop space.

A very prominent example for a commercialy successful application would be Microsoft Visual Studio 2005 itself.
If you are looking into building a client or server application for the Windows ecosystem .Net with C# is an absolut valid choice. You'll get a very rich framework, a great third-party-app ecosystem and a huge community.
If you need a minimal memory footprint for your application or are very hardware centric then C++ maybe an option.
If you want to target the UNIX/LINUX or Apple platforms you should be looking in frameworks more native for the respective platform, though you can get a certain degree of interoperability with the Mono project (But I am not up to date on how complete their implementation of .Net currently is).

I believe the matrox graphics card configuration utilities are using the .net-framework.

I'm still just a student, but for what it's worth (and from other answers preceding mine), there seem to be quite a few apps in C#.
I'd advise working through the book Head First C# (Amazon link). This book will give you a pretty solid idea of what you can do with the language.
=-MDP-=

Creative Docs .NET is a very nice example of C# application.

Microsoft's World Wide Telescope software is written in c#

Who are your target users? Their needs will dictate your choice of language. C# and VB.NET are good general purpose langs, but if you are targeting Mac or *nix, you may want something like C++.

If you're looking for a way to get started quickly, I recently published DesktopBootstrap, which is my attempt to factor out the elements you'll need to get started.
Hope that helps!