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can anybody help me? im curious on whether i should start learning Cocoa or C++ first, im going to use Xcode and if all else fails im planning on learning pything.. Im 16 and i have always been in love with Game Lvl Design but recently ive been looking at jobs and they want people fluent in CPP (C++) and i also really want to try my hand at making apps for the ipod touch. (not planning on ever selling anything but i think it would be interesting and a good challenge). i guess in the end im not sure which to learn first, C++ or CoCoa because i hear Objective-c is not good enough although its pretty-much Cocoa so idk what to do. also do you know any free-sites to learn Cocoa? i have been studying learncpp.com to learn for free but im not sure if i should continue.
Oh yeah, on a side note im also learning Linux as well, i haven't really started yet but im prepared to.
Oh yeah, on a side note im also learning Linux as well, i haven't really started yet but im prepared to.
Apple’s Xcode development system is superb for developing applications, but sometimes you just want to write C or C++ code for research or school. Composing a serious chunk of code with vi is no longer acceptable,* so users in this frame of mind are now using Eclipse, a modern IDE, that’s also free. Here’s how to get gcc without installing Apple’s Xcode and then install Eclipse for C/C++ programming.
Change the “about this” window on mac app. If your application is an.app bundle then it should have an info.plist. Inside the info.plist will normally contain version information that should display the version number: CFBundleShortVersionString 2.0.0 Typically the version information here is populated in places that call for it (eg. Apr 12, 2011 First: Create and Edit Trial Version Build Configurations. Yes, I’m working with Xcode 4 and my existing body of code is the code of the Mac App Store version of my app. To this code I will add the trial version code. To start, create new build configurations. So far, there should be a debug and a release build configuration.
What’s the Motivation?
With the first label being in place, the second quite common Cocoa control used in macOS apps is the text field. It’s a NSTextField object, and its purpose is to enable apps receiving user input when necessary. A text field is a single-line text input control, so if you want multiple lines of text you’d better pick a text view instead. Dec 03, 2007 If you decide to go with ObjC and/or Cocoa, the two books you mentioned, 'Programming in Objective-C' by Stephen Kochan and 'Cocoa Programming for Mac OS X' by Aaron Hillegass are IMO the way to go. They're both sort of the 'standard' for new Cocoa programmers. Kochan's book in particular is one of the best technical books I've ever read.
At work recently, my wife was chatting with a colleague who was taking his first C++ class. She taught him how to use Eclipse on a Mac, even though he resisted at first. However, later, he came back and commented that the other students were trying to manage ever increasingly complex projects with the vi editor. It was taking them four, six, or even 20 hours in some cases to complete their homework each week. He finished his, typically, in 30 minutes. That’s the power of an IDE with a modern debugger. That last item, the debugger, can’t be emphasized enough. Print statements in your code are oh, so yesteryear with a tool like this. Time is money, and efficiency reflects on you as a programmer.
So if you’re a scientist, researcher or engineer who wants to write some research code, not intended as a GUI app, in Java, C, C++ or Fortran, you need to dump vi as an editor* (or Emacs or Nedit or whatever) immediately and get with this kind of IDE. Things are moving far too fast nowadays not to make this important move. (Clearly, I’m speaking to an older crowd here.**)
To be perfectly clear, Apple’s Xcode is a fabulous development system for C, C++, Objective-C and even Fortran 77***. You can build native OS X and iOS apps. But many researchers and scientists aren’t interested in Xcode. They’ve come from a Linux or other UNIX platform, like IBM’s AIX, and they just want to carry on their research in Eclipse on a Mac. This how-to is primarily for them. But, as I mentioned above, students who are taking their first programming class and own a Mac will also find this discussion useful — indeed mandatory. Remember, this is an introduction to whet your appetite and get you launched, not a complete Eclipse tutorial.
Also, this how-to for the sake of simplicity focuses on C/C++, but Eclipse can handle a myriad of languages, including, but not limited to, Java and Fortran. Let’s start with C/C++.
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Getting the gcc Compiler
As an aside, when you install Apple’s Xcode (free from the Mac App Store only in Lion), gcc is automatically installed in /usr/bin. But if you have a mind to work with just Eclipse and gcc, you’ll need a way to install gcc without, if it pleases you, installing Apple’s Xcode first. (For reference, here’s a how-to on installing Xcode and gcc.)
There are at least two places I know of where you can get a gcc installer package for OS X:
First Mac App Cocoa Gcc Free
- The OS X High Performance Computing page at Sourceforge managed by Dr. Gaurav Khanna at the University of Mass.
![First mac app cocoa gcc 2 First mac app cocoa gcc 2](/uploads/1/2/6/5/126595818/703322934.jpg)
If you find other sources, let us know.
Installing Eclipse
Here’s a handy reference on where to get Eclipse for the Mac. Version 3.7 (“Indigo”) installs nicely in Lion and seems to work okay, but our household hasn’t put it to a grueling acid test with OS X 10.7.1. Weather app not working on iphone.
Eclipse Download for CC++, 64-bit
The download is a …tar.gz file, so move it where you want the Eclipse directory to be because when you double click it, the package will be unzipped and untared right there. After Eclipse is installed, you’ll see it as an app, just like any other, with this icon.
It’s easy to create an alias to eclipse.app, if you wish, and place it in your /Application directory. Because the Eclipse IDE itself is written in Java, if you’re running a clean copy of Lion, you’ll need to download the Java runtime before the Eclipse app will launch. Just double-click on Eclipse, and it’ll trigger the required Java runtime download. Nothing else to do. If you’re in Snow Leopard, the Java runtime is already there.
Java runtime download
This first thing you’ll see when you run Eclipse is that it asks for the location of your workspace. I typically create a directory in /Users/john called Programming where I do any code development. (Which is not much these days.)
Workspace Selection
After you select your workspace, you’ll be confronted with an Eclipse peculiarity. A welcome page will be launched that brings a real feeling of WTF to many users. Here it is.
Welcome screen Netgear nighthawk control from mac app.
The trick is to realize that the icon on the far right, circled in red above, takes you into the workbench. For that named workspace, this one time is the only time you’ll see that screen.
Once the IDE is launched, there are just a few details before you can build a project. Again, for simplicity, lets stay with C/C++. From the Eclipse File menu, select “New” and then C++ Project.
Eclipse - New Project
Experienced Eclipse users know the drill. Name the project, make sure you’ve identified the location of your compiler in the Toolchain, and so on. (It may be different than the default install by Apple’s Xcode. The screen shot below shows Apple’s install of gcc, marked as MacOSX GCC, because I’d previously installed Xcode on that Mac.)
Configuration
Newbies may want to select the Hello World project just to see how things get set up. Make sure you work your way through the setup with Next > at the bottom and don’t click the Finish button too soon. A more detailed examination of this set up and the ins-and-outs of Eclipse are beyond the scope of this getting started article. The goal here is simply an introduction for Mac users. And you’re not alone. There’s a huge body of knowledge on the Internet about Eclipse. Here’s a start.
If all went well, you’ll be in the Eclipse IDE with the Hello World program in the editor and a Make file already created. This environment is called the Eclipse workbench.
Eclipse Workbench w/ default “Hello World” code
It may take you some start-up time to learn Eclipse, but trust me, coding the old way will soon bog you down. The Xcode and Eclipse developers learn from each other, so if you ever decide to get into OS X or iOS development, having earned your wings in Eclipse will pay huge dividends later.
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* I’m qualified to say this because I’ve lived and breathed vi for a living in the past.
First Mac App Cocoa Gcc 2
** Remember, a lot of people are going back to school, learning or refreshing their programming skills.
First Mac App Cocoa Gcc Download
*** You can write and compile Fortran 77 in Xcode with standard output, but you can’t access the Cocoa APIs and build native apps in F77.