Does anyone have a tutorial on how to create a universal app with Xcode 4.2?

Question

It seems that everything has changed since Xcode 4.2, and I have not seen a guide / tutorial on how to create a universal application with Xcode 4.2. Does anyone know or write?

Note. I'm not talking about how to choose your project as Universal, I'm talking about the Hello World tutorial.

Thanks,

Answer 1

If you really need a simple source that compiles as a universal application that writes Hello World to the console, depending on the device you are using, here you will find a tiny snippet.

main.m

 #import <UIKit/UIKit.h> int main(int argc, char *argv[]) { if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) { printf("hello world, from my iPad"); } else { printf("hello world, from my iPhone or iPod"); } return 0; } 

In the build settings of your application, you will need to choose:

 TARGETED_DEVICE_FAMILY = 1,2 

Like this:

Answer 2

• Application File / new / new project / ios / application / single view
• Further
• fill in the fields and select "Universal" in the device family.
• Further

Xcode will create a project with two initial XIBs with the same names and different suffixes _iPhone and _iPad.

Enjoy it!

Good luck

Answer 3

Look for any Hello World iPhone or iPad app. Make sure the project is set to Universal.

• iPhone: http://www.tuaw.com/2009/04/27/iphone-dev-101-the-hello-world-app/
• iPad: http://hijinksinc.com/2010/07/23/entry-level-xcode-hello-world-for-ipad/

Answer 4

Try:

Head First iPhone and iPad Development, 2nd Edition User Guide for Creating Objective-C iPhone and iPad Applications Dan Pylon, Tracy Pylon

They have a great section for Universal Apps :)