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Questions tagged [xcode4.2]

the Oct. 12, 2011 release of Apple's integrated development environment (IDE) for Mac OS X and iOS. USAGE NOTE: Use this tag only for questions that are specific to this version of Xcode, and not for general Mac or iOS programming topics. Use [cocoa] for Mac programming questions, and [cocoa-touch] or [ios] for iOS programming questions.

Xcode 4.2, Apple's integrated development environment (IDE) for Mac OS X and iOS, was released October 12, 2011.

Use this tag for questions that are specific to Xcode 4.2, and not for general programming questions. Use the or tags for macOS programming questions; use the or tags for iOS (formerly iPhone OS) programming questions; for questions about the Objective-C language and its features, use the tag; also, avoid adding the Xcode tag if your question would stay the same if you would use any other editor for writing your program code.

New Features:

  • support for Mac OS X 10.7 Lion and iOS SDK 5.0
  • Apple LLVM compiler 3.0 with Automatic Reference Counting (ARC)
  • LLVM compiler support for C++’0x features using the new LLVM libc++ standard library
  • Storyboarding support to design multi-view workflows for iOS
  • OpenGL ES graphical debugger
  • Location Simulation

Note:

Xcode 4.2 is the last version to support Mac OS X 10.6 (Snow Leopard), but is only available to registered developers; without an account, 3.2.6 is the latest download that appears for Snow Leopard.

Source: Release notes for Xcode 4.2

See for more information.

1965 questions
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Images from my UIPickerView disappear

I am building an App where the user can spin a UIPickerView like a slot machine. The problem I am facing at the moment that at runtime the images in my pickerView start disappearing at random. Then spin again and some of them are back. Here is the…
Max Uylings
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Trouble with UIPickerView Outlets in iOS5?

I don't understand which outlets should be connected! In outlets i have: dataSource delegate But where should i connect them? And how can i then use them? ???
user1096463
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1 answer

strange error with drawing

"_GContextSetFillColorWithColor", referenced from: -[GraphView drawLineGraphWithContext:] in GraphView.o ld: symbol(s) not found for architecture i386 clang: error: linker command failed with exit code 1 (use -v to see invocation) What does this …
Ayrad
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5 answers

Apple Mach-O Linker (Id) error .. "__objc_empty_cache", need Framework References

I have written a code in my project with out any errors but whenever i run the program it shows errors like it. I don't understand where i can check those errors. Please anyone help me. Ld …
Prasad G
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XCode 4.2 incompatible model to open store

I am writing an iphone app using xcode 4.2 and it involves coredata. everything was perfectly fine until I cleaned the project. then I constantly get the following error: Reason = "The model used to open the store is incompatible with the one used…
Saeid Farivar
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Core Data doesn't save objects and is slow

I'm working with Core Data for the first time, with the Stanford iOS app development course as a guide. I pretty much copied the code from the demo app (of course I adjusted it to my needs), but I'm having two problems currently. My app is a map…
Scott Berrevoets
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4 answers

Terminating app due to uncaught exception 'NSInvalidArgumentException' when working with the PINS on the Map

When i run my app, it crashes and i got this error: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[AnnotationsDisplay coordinate]: unrecognized selector sent to instance 0x795bda0' AnnotationsDisplay it's a class…
Malloc
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How to add a new tab in xcode 4.2

I started a project in Xcode 4.2 using tab view template. In the app delegate I added a third tab by code just like first and second tabs. Then I created a third view controller class with a nib file. When I run this app, I see all three tabs but…
saman01
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Does a UIScrollview need to be on a view ?

In storyboard, is this the correct way to add a scrollview? drag a view controller (comes with a view) drag a uiscrollview on it or drag a view contorller remove the regular uiview in it and drag a uiscrollview directly on the controller What would…
Ayrad
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2 answers

How can store the string in a variable on iPhone?

I pass my string value to one method but I can't get the stored variable value. Here is my code: NSString username = @":ram"; NSString geder = @":gender"; [twoclass newDetails:username:gender] My method is: NSString *twoclassname; NSString …
Gurumoorthy Arumugam
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5 answers

JSON using Tableview to populate the array

I m using tableview to populate an array from json file...In my view Controller i have tableview.when i run the project my table view codings are not executing.i dont know y?anyone help me pls.This is my viewcontroller file #import…
Dinesh Raja
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7 answers

iPhone / iPod Touch icon image error (MininumOSVersion is below 3.2) while project is for iPad?

I get this error while archiving (For upload to iTunes connect!): warning: iPhone/iPod Touch: Info.plist: Unable to verify icon dimensions, no icon found. Your MinimumOSVersion is below 3.2, so you must define CFBundleIconFile or provide a default…
user1096463
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1 answer

How make upload app to itunes connect in xcode 4.2.1?

Can anyone give a guide from the start how to upload a iOS 5 Xcode 4.2.1 app to iTunes Connect? And what is my SKU Number (Where can i find it?) . Currently it reports: Status: Waiting For Upload And i'm waiting for a iOS Paid Apps Contract. But i…
user1096463
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1 answer

Xcode 4 issue with AppDelegate.m adding view controller - xcode 4.2 storyboard

I'm having a problem. I'm following this tutorial The part I'm having is in my AppDelegate.m -(BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // Register for alert notifications …
Rahim Jan
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My Xcode4 cannot find CCRibbon

I installed cocos2D 2.0 beta on my Mac. But, my Xcode4 cannot find the class of CCRibbon. So, I look for CCRibbon in the templates, but there is no CCRibbon. Maybe it's an unstable version I think, but I'm not sure. How can I use CCRibbon on my…
J.K Jeon
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