Objective-C iPhone Programming Lesson 1 | Part 2

I go over more of our hello world app.

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@ByteReviews I used Cocoa programming for mac OS X. It's a mac programming book, but I found it easy to apply to the iPhone after a bit of time spent inspecting the iPhone API documentation.

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@rgerdisch55 I suggest watching my newer videos on iPhone programming.

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@Mostwantedo Oh, glad you got it working :)

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@tallswede80 you want to use the gcc command to compile:

gcc source.c # compile into a.out
./a.out # run file a.out

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Another way to make it say Hello [name here] is just to open Interface Builder make "Hello" blank and smaller and move to the right, and make a new label on the left with "Hello".

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@tallswede80 I am not sure that Xcode supports that. If you are just using argc, and argv, I would create an executable binary, and run it from terminal.

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@IMPMAC i guess, but I like it. It makes me feel like stuff is happening in the background...

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@mikestanater5 you have to do if ([[label text] isEqual:@"Mike"]), the text] part is quite important.

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@Mostwantedo what shows up in the Xcode console? Do tell, go back into the main Xcode window and press Shift+Command R. PM me what it says and I will get back to you to see if I can help.

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@BiopulseEU probably within the next week.

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@tallswede80 if you want to compile C code, run:
gcc mycode.c

[tallswede]

If you want to pass filenames or whatever as command line parameters to a c program, how does one do that in Xcode?

[tallswede]

@macheads101

is it possible to create an executable binary from terminal? If so, then how?

[rgerdisch]

Hey for some reason whenever I launch the app it just shows up as a gray background. (not the iPhone, just the app) If you could help, that'd be great.