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• Xcode raises exception when refactoring

  - by Sam Gwydir

  When I run a refactor on my code in xcode, all the files are correctly refactored except one, and when I click to check the changes made in that file, the following 'Internal Error Occurs': Uncaught Exception: Invalid parameter not satisfying: fileName Stack Backtrace: The stack backtrace has been logged to the console. Here is what it spat out in the console: 4/7/10 06:47:30 Xcode[35355] [MT] Uncaught Exception: Invalid parameter not satisfying: fileName Backtrace: 0 0x92842bbd __raiseError (in CoreFoundation) 1 0x914b9509 objc_exception_throw (in libobjc.A.dylib) 2 0x92842908 +[NSException raise:format:arguments:] (in CoreFoundation) 3 0x98801dc3 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] (in Foundation) 4 0x98db0f8e -[NSDocument(NSDeprecated) initWithContentsOfFile:ofType:] (in AppKit) 5 0x0075c07e -[PBXTextFileDocument initWithContentsOfFile:ofType:] (in DevToolsInterface) 6 0x007dc5be -[PBXFileDocument initWithFileReference:usingType:] (in DevToolsInterface) 7 0x00b1c0f8 -[XCRefactoringFileChangeSet(XCRefactoringModule_HelperMethods) referencedTextFileDocument] (in DevToolsInterface) 8 0x00b1d1f4 -[XCRefactoringEditableExistingTextFileChangeSet populateComparator:] (in DevToolsInterface) 9 0x00ab19b7 -[XCRefactoringModuleFileItem populateComparator:previewFinished:] (in DevToolsInterface) 10 0x00aa4606 -[XCRefactoringModule(MasterListDelegate) outlineViewSelectionDidChange:] (in DevToolsInterface) 11 0x987381cb _nsnote_callback (in Foundation) 12 0x927ca3f9 __CFXNotificationPost (in CoreFoundation) 13 0x927c9e2a _CFXNotificationPostNotification (in CoreFoundation) 14 0x9872d098 -[NSNotificationCenter postNotificationName:object:userInfo:] (in Foundation) 15 0x9873a475 -[NSNotificationCenter postNotificationName:object:] (in Foundation) 16 0x98af1de2 -[NSTableView _enableSelectionPostingAndPost] (in AppKit) 17 0x98bd11d0 -[NSTableView mouseDown:] (in AppKit) 18 0x98bcfeea -[NSOutlineView mouseDown:] (in AppKit) 19 0x007596c3 -[PBXExtendedOutlineView mouseDown:] (in DevToolsInterface) 20 0x98b6e548 -[NSWindow sendEvent:] (in AppKit) 21 0x00757a06 -[XCWindow sendEvent:] (in DevToolsInterface) 22 0x98a871af -[NSApplication sendEvent:] (in AppKit) 23 0x006f6dec -[PBXExtendedApplication sendEvent:] (in DevToolsInterface) 24 0x98a1ac4f -[NSApplication run] (in AppKit) 25 0x98a12c85 NSApplicationMain (in AppKit) 26 0x0000eee1 27 0x000021a5 If you would like to take a look at the project I'm working on, here is a link to download my xcodeproject: Tea Timer.zip To recreate my problem, open Timer.h, attempt to refactor timeField to minuteField, use the preview function of refactor and then select Timer.m, to look at the changes supposedly made within. It will then raise this error without editing the file.

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• Adding libraries to a project in xcode - symbols not found

  - by kudorgyozo

  I am trying to make an iphone app in xcode that uses pjsip. The problem is I don't know how to link the libraries. I have the ARM version of the libraries in this folder in mac os x. /Users/kudorgyozo/pjsip_iphone In Xcode: I have specified the library and header search paths like this: for includes: /Users/kudorgyozo/pjsip_iphone/pjlib/include /Users/kudorgyozo/pjsip_iphone/pjlib-util/include /Users/kudorgyozo/pjsip_iphone/pjmedia/include /Users/kudorgyozo/pjsip_iphone/pjnath/include /Users/kudorgyozo/pjsip_iphone/pjsip/include for libraries: /Users/kudorgyozo/pjsip_iphone/pjlib/lib /Users/kudorgyozo/pjsip_iphone/pjlib-util/lib /Users/kudorgyozo/pjsip_iphone/pjmedia/lib /Users/kudorgyozo/pjsip_iphone/pjnath/lib /Users/kudorgyozo/pjsip_iphone/pjsip/lib and then using the "Other linker flags" : -lpj-arm-apple-darwin9 -lpjlib-util-arm-apple-darwin9 -lpjmedia-arm-apple-darwin9 -lpjmedia-audiodev-arm-apple-darwin9 -lpjmedia-codec-arm-apple-darwin9 -lpjsdp-arm-apple-darwin9 -lpjnath-arm-apple-darwin9 -lpjsip-arm-apple-darwin9 -lpjsip-simple-arm-apple-darwin9 -lpjsip-ua-arm-apple-darwin9 -lpjsua-arm-apple-darwin9 Is this OK like this? Because it gives me symbol(s) not found errors. I think no symbol is found from the "included" libraries. I don't know what is wrong i'm just beginning to understand how building an app works under linux based systems i've only done programming in C# before.

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• Creating and using a static lib in xcode (MacOSX)

  - by Alasdair Morrison

  I am trying to create a static library in xcode and link to that static library from another program. So as a test i have created a BSD static C library project and just added the following code: //Test.h int testFunction(); //Test.cpp #include "Test.h" int testFunction() { return 12; } This compiles fine and create a .a file (libTest.a). Now i want to use it in another program so I create a new xcode project (cocoa application) Have the following code: //main.cpp #include <iostream> #include "Testlib.h" int main (int argc, char * const argv[]) { // insert code here... std::cout << "Result:\n" <<testFunction(); return 0; } //Testlib.h extern int testFunction(); I right clicked on the project - add - existing framework - add other Selected the .a file and it added it into the project view. I always get this linker error: Build TestUselibrary of project TestUselibrary with configuration Debug Ld build/Debug/TestUselibrary normal x86_64 cd /Users/myname/location/TestUselibrary setenv MACOSX_DEPLOYMENT_TARGET 10.6 /Developer/usr/bin/g++-4.2 -arch x86_64 -isysroot /Developer/SDKs/MacOSX10.6.sdk -L/Users/myname/location/TestUselibrary/build/Debug -L/Users/myname/location/TestUselibrary/../Test/build/Debug -F/Users/myname/location/TestUselibrary/build/Debug -filelist /Users/myname/location/TestUselibrary/build/TestUselibrary.build/Debug/TestUselibrary.build/Objects-normal/x86_64/TestUselibrary.LinkFileList -mmacosx-version-min=10.6 -lTest -o /Users/myname/location/TestUselibrary/build/Debug/TestUselibrary Undefined symbols: "testFunction()", referenced from: _main in main.o ld: symbol(s) not found collect2: ld returned 1 exit status I am new to macosx development and fairly new to c++. I am probably missing something fairly obvious, all my experience comes from creating dlls on the windows platform. I really appreciate any help.

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• Creating and using a static lib in xcode

  - by Alasdair Morrison

  I am trying to create a static library in xcode and link to that static library from another program. So as a test i have created a BSD static C library project and just added the following code: //Test.h int testFunction(); //Test.cpp #include "Test.h" int testFunction() { return 12; } This compiles fine and create a .a file (libTest.a). Now i want to use it in another program so I create a new xcode project (cocoa application) Have the following code: //main.cpp #include <iostream> #include "Testlib.h" int main (int argc, char * const argv[]) { // insert code here... std::cout << "Result:\n" <<testFunction(); return 0; } //Testlib.h extern int testFunction(); I right clicked on the project - add - existing framework - add other Selected the .a file and it added it into the project view. I always get this linker error: Build TestUselibrary of project TestUselibrary with configuration Debug Ld build/Debug/TestUselibrary normal x86_64 cd /Users/myname/location/TestUselibrary setenv MACOSX_DEPLOYMENT_TARGET 10.6 /Developer/usr/bin/g++-4.2 -arch x86_64 -isysroot /Developer/SDKs/MacOSX10.6.sdk -L/Users/myname/location/TestUselibrary/build/Debug -L/Users/myname/location/TestUselibrary/../Test/build/Debug -F/Users/myname/location/TestUselibrary/build/Debug -filelist /Users/myname/location/TestUselibrary/build/TestUselibrary.build/Debug/TestUselibrary.build/Objects-normal/x86_64/TestUselibrary.LinkFileList -mmacosx-version-min=10.6 -lTest -o /Users/myname/location/TestUselibrary/build/Debug/TestUselibrary Undefined symbols: "testFunction()", referenced from: _main in main.o ld: symbol(s) not found collect2: ld returned 1 exit status I am new to macosx development and fairly new to c++. I am probably missing something fairly obvious, all my experience comes from creating dlls on the windows platform. I really appreciate any help.

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• Display subclass data in XCode Expression window

  - by Nick VanderPyle

  I'm debugging an iPhone application I've written using XCode 3.2 and I cannot view the relevant public properties of an object I pull from Core Data. When I watch the object in the Expressions window it only displays the data from the base NSManagedObject. I'd like to see the properties that are on the subclass, not the superclass. If it helps, here's some of the code I'm using. Settings is a subclass of NSManagedObject. I created it using XCode's built-in modeler. Declared like: @interface Settings : NSManagedObject { } @property (nonatomic, retain) NSNumber * hasNews; @property (nonatomic, retain) NSString * logoUrl; @property (nonatomic, retain) NSNumber * hasPaymentGateway; @property (nonatomic, retain) NSString * customerCode; ... In the interface of my controller I have: Settings *settings; I populate settings with: settings = (Settings *)[NSEntityDescription insertNewObjectForEntityForName:@"Settings" inManagedObjectContext:UIAppManagedObjectContext()]; I then set the properties like: settings.hasNews = [NSNumber numberWithBool:TRUE]; I've tried casting settings as (Settings *) in the Expression window but that doesn't help. All I see are the properties to NSManagedObject. I'm using NSLog but would rather not.

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• Is this a bug in plist or Xcode?

  - by Pedro

  G'day All If you create a date item in the plist editor of Xcode or Apple's standalone plist editor you get something of the form <date>2010-05-29T10:30:00Z</date> which is a nice well formed ISO date at UTC (indicated by the "Z"). Because I'm in timezone UTC +10 when that's read into my app & then displayed I get 8:30 PM out, still good. However if that is a time in my timezone it should be <date>2010-05-29T10:30:00+10</date> (replacing "Z" with my timezone offset). All of my attempts at reading such dates into my iPhone app have had the plist rejected as if it is malformed & editing a plist with such a date in Apple's editors changed the "+10" to "Z" without adjusting the time. Do others think I'm correct in thinking this is a bug in either plist or Xcode? My feeling is that the implementation of ISO date & time in plist is incomplete. Cheers, Pedro :)

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• XCode 4.4 bundle version updates not picked up until subsequent build

  - by Mark Struzinski

  I'm probably missing something simple here. I am trying to auto increment my build number in XCode 4.4 only when archiving my application (in preparation for a TestFlight deployment). I have a working shell script that runs on the target and successfully updates the info.plist file for each build. My build configuration for archiving is name 'Ad-Hoc'. Here is the script: if [ $CONFIGURATION == Ad-Hoc ]; then echo "Ad-Hoc build. Bumping build#..." plist=${PROJECT_DIR}/${INFOPLIST_FILE} buildnum=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "${plist}") if [[ "${buildnum}" == "" ]]; then echo "No build number in $plist" exit 2 fi buildnum=$(expr $buildnum + 1) /usr/libexec/Plistbuddy -c "Set CFBundleVersion $buildnum" "${plist}" echo "Bumped build number to $buildnum" else echo $CONFIGURATION " build - Not bumping build number." fi This script updates the plist file appropriately and is reflected in XCode each time I archive. The problem is that the .ipa file that comes out of the archive process is still showing the previous build number. I have tried the following solutions with no success: Clean before build Clean build folder before build Move Run Script phase to directly after the Target Dependencies step in Build Phases Adding the script as a Run Script action in my scheme as a pre-action No matter what I do, when I look at the build log, I see that the info.plist file is being processed as one of the very first steps. It is always prior to my script running and updating the build number, which is, I assume, why the build number is never current in the .ipa file. Is there a way to force the Run Script phase to run before the info.plist file is processed?

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• Errors with redefinitions after upgrade to XCode 3.2.3

  - by CA Bearsfan

  I recently upgraded to Snow Leopard and Xcode 3.2.5 so I could test on my iPod Touch and iPhone and ran into some problems with the project I was working on. First it couldn't find a Base SDK, then my old frameworks weren't hooking up correctly. Finally after setting the Project Format to Xcode 3.1 compatible (3.2 also worked) and the Base SDK for all configurations to iOS 4.2, then setting my iOS deployment target to iOS 3.0 I was able to get the system to find a Base SDK and attempt a build. That's when the frameworks didn't want to cooperate. 4/6 I'm using displayed in red, so I re routed the path to the iPhone simulator 4.2 platform which worked perfectly. I was able to build my project, no errors or warnings and my app worked fine. I went to work last night thinking I had fixed the problem. This morning I fired up the laptop and went to build my code base and now have 1142 errors all of which have to do with code I haven't written deemed as being redefined. Suggestions? The following is just a small sample of the error list (obviously don't need to see all 1142) //Frameworks/Foundation.framework/Headers/NSZone.h:48: error: redefinition of 'NSMakeCollectable' /Frameworks/Foundation.framework/Headers/NSObject.h:65: error: duplicate interface declaration for class 'NSObject' /Frameworks/Foundation.framework/Headers/NSObject.h:67: error: redefinition of 'struct NSObject'

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• Xcode 4: nib files not loading when run, can't find UI elements

  - by Jordan

  So, I just downloaded Xcode 4 and installed it. I was actually quite looking forward to the single window and integrated IB... - However, when I open and run one of my projects, the nib files that the project uses don't seem to load. Instead I'm left looking at a blank white screen (iPhone). This project ran well and fine on Xcode 3.2. So I thought... this can't be that hard to fix. So I opened up a nib file, thinking that maybe editing or creating a new one from scratch could point me in the right direction. But I can't find the old resources panel from interface builder anywhere. How am I meant to create a new view or add buttons? I know I'm probably just missing something obvious :s Did anyone else have the same nib file problems - is there a fix (or something stupidly simple that I'm forgetting about)? - EDIT: Ok. If I background and un-background the app, the view loads fine. But this happens every time I build, on both iPhone and iOS simulator, i.e. the app doesn't work properly until it's been backgrounded. All the code for loading the view follows from - (void)applicationDidFinishLaunching:(UIApplication *)application. Now I am really confused. - Thanks :)

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• Could not launch console app with xCode 4.4

  - by lp1756

  I have a project with two targets -- an iOS app and an OSX console app. The latter was created using Xcode File-New Target and selecting "Command Line Tool". This console app is used to prep a default database needed by the iOS app -- using CoreData. This has been working fine until I upgraded to Mountain Lion and xCode 4.4. Now when I try to run the command line tool I get a "Could Not Launch -- permission denied" error. I have tried playing around with signing certificates, to no avail. Interestingly if I create a new "hello, world" command line tool in a new project it works just fine -- and it is not signed at all. I checked the file and it has -rwxr-xr-x permission. In the debugger the app fails on startup even before it tries to access the moms. If I try to run this outside of the debugger at the command line, it ends with a kill 9 message. Any ideas would be greatly appreciated.

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• Tips for using Subversion and XCode in a team project

  - by FelipeUY

  Hi to all. I've been working on an Xcode (iPhone) project with three different persons. We have the project on a Subversion repository, but we still don't completely understand some aspects of the Subversion + Xcode methodology: 1) Each time someone does a commit on a single file, it may appear or not in the project of the other developers. Even though the same person that creates the new files, it adds those files to the Repository and then it commits on those files. Why does that happens? Any suggestions? 2) Each person that is involved on the project can't do a "Commit entire project" without causing a considerable headache to the rest of the developers... any idea how this should be done?. The working methodology that we are trying to implement is that only one developer (generally the leader of the project) can Commit the entire project but he must inform the rest of the team, so everybody can be prepared to receive a message asking him to discard his changes and read the new files from the repository. I need suggestions or advice on how to handle a project with multiple developers using subversion. We have read the Subversion handbook, and many other messages on StackOverflow but I still can't find any useful advice. Thanks for any tip!

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• How apply a storyboard to a Label programmatically ?

  - by ThitoO

  Hi :), I've a little problem, I'd search google and my Wpf's books but I don't found any answer :( I have created a little storyboard : <Storyboard x:Key="whiteAnim" Duration="1"> <ColorAnimation By="Black" To="White" Storyboard.TargetProperty="Background" x:Name="step1"/> <ColorAnimation By="White" To="Black" Storyboard.TargetProperty="Background" x:Name="step2"/> </Storyboard> This animation will change background color from black to white, and from white to black. I want to "apply" this storyboard to a Label : Label label = new Label(); label.Content = "My label"; I'm looking for a method like "label.StartStoryboard(--myStoryboard--), do you have any ideas ? Thank you :)

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• Xcode 4 Tips and Tricks for Xcode 3 users

  - by Ben Clayton

  As most of you have probably seen, Xcode 4 has been released officially today. Now I know that plenty of devs out there have been using the preview versions, and it'd be great if people could post any great tips, tricks, or keyboard shortcuts they've learned using those version now they're no longer under NDA. This could be especially useful for those upgrading from Xcode 3 (like me, downloading right now). Note: Apple have released a 'transition guide' that has plenty of stuff in about getting from version 3 to version 4, but I bet there are loads of great tricks people out there have learned that aren't in there.

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• does adding static library need xcode project of static library for linking?

  - by mirdad

  I have seen some static library projects in iOS.I see two different types of linking static library. 1)adding .a static library to new xcode project and its header files only. 2)adding .a static library to new xcode project and adding the xcode project through which static library has created. when I remove the the xcode project through which static library has created from the 2nd project, it gives error.I tried first approach for 2nd one.But it is not working. Can you please explain why it is differed? Will it be differed by the xcode versions we use? is The second approach for old xcode versions?

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• Xcode "Build and Archive" from command line

  - by Dan Fabulich

  Xcode 3.2 provides an awesome new feature under the Build menu, "Build and Archive" which generates an .ipa file suitable for Ad Hoc distribution. You can also open the Organizer, go to "Archived Applications," and "Submit Application to iTunesConnect." Is there a way to use "Build and Archive" from the command line (as part of a build script)? I'd assume that xcodebuild would be involved somehow, but the man page doesn't seem to say anything about this.

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• iPhone SDK: Redirecting stderr/stdout to XCode console

  - by Daniel

  I have a C library that I'm planning to use in an iPhone application. It writes a lot of its debug information to stderr. Is there an easy way to redirect stderr/stdout to my XCode console? Will I have to write wrappers that call NSLog? If so, what would be the best way of doing so?

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• SCM Error: 155007 on Xcode with Subversion

  - by Mark Szymanski

  HI, I am on Mac OS X 10.6.3 with Xcode 3.2.2 (iPhone SDK) and whenever I try to commit an entire project (this project has not been committed yet and there is nothing in the root svn directory) it gives me the error: Error: 155007 (Path is not a working copy directory) Description: 'PATH TO PROJECT (for privacy)' is not a working copy if it helps the SVN hosting is being provided by Codehesion (NOT an advertisement in any way :P) Thanks in advance!

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• Objective-C static analysis tools -- plugin to Xcode?

  - by DevDevDev

  Are there any tools out there for Objective-C / xCode? Something that can do one or more of the following: Detect unused imports Auto-synthesize properties Autogenerate dealloc method from retained properties Provide method stubs for interface

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• Xcode Disable Colon-aligning Auto-indent

  - by Andy Shea

  Is there any way to disable the auto-indent Xcode performs to align colons when breaking up a long method name into multiple lines? That is, I'd rather not have this: UIBarButtonItem *longDescriptiveButton = [[UIBarButtonItem alloc] initWithTitle:@"Title of Button" style:UIBarButtonItemStyleBordered target:self action:@selector(longDescriptiveButtonClicked)]; which, as you can see, looks terrible when variable/method/class names are long.

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• how to add annotation to map in xcode

  - by somu

  hai to all... i am trying to mark some places on map from xcode(iphone app) but now i can mark the only 1 place at a time ..i want to mark the so many places at a time with titles for them could any one help me its urgent thanks

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• Xcode - some variables don't show

  - by Mike

  This picture shows a debugging session. "lista" is a NSMutableArray containing, in this case, two elements: 0 and 1. Each element's content is seen on the debugging window as {(unichar *)Xcode_CFStringSummary($VAR, $ID)}:s but if I double click on any element, its value shows on a pop up window. Why is the values don't showing directly? How to force Xcode to show the values instead of this stupid and useless "{(unichar *)Xcode_CFStringSummary($VAR, $ID)}:s" ? thanks for any help.

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• Animate button on MouseOver and MouseDown

  - by haagel

  I'm making my own ControlTemplate for a standard Button in WPF. I want to change the background of my button when the user hovers over the button with the mouse, but also when the user presses the button (to yet another color). This seems like a common behavior, but I can't get it to work. My template consists of a Border with an Image inside. It is the background color (a gradient really) of the Border that I want to animate. I have triggers in my template that activates animations (storyboards). The MouseOver/Out works just fine. My problem occurs when I press the button. The Press animation runs as it should, and so does the Release animation. But after this the MouseOut will never run. The button gets stuck in the MouseOver state. What am I doing wrong? <ControlTemplate TargetType="{x:Type Button}"> <ControlTemplate.Resources> <Storyboard x:Key="MouseOverAnimation"> <ColorAnimation Storyboard.TargetName="ButtonBorderGradientStop1" Storyboard.TargetProperty="Color" To="#ffefefff" Duration="0:0:0.2" /> <ColorAnimation Storyboard.TargetName="ButtonBorderGradientStop2" Storyboard.TargetProperty="Color" To="#ffc7c7ff" Duration="0:0:0.2" /> </Storyboard> <Storyboard x:Key="MouseOutAnimation"> <ColorAnimation Storyboard.TargetName="ButtonBorderGradientStop1" Storyboard.TargetProperty="Color" To="#ffeeeeee" Duration="0:0:0.2" /> <ColorAnimation Storyboard.TargetName="ButtonBorderGradientStop2" Storyboard.TargetProperty="Color" To="#ffcccccc" Duration="0:0:0.2" /> </Storyboard> <Storyboard x:Key="MouseDownAnimation"> <ColorAnimation Storyboard.TargetName="ButtonBorderGradientStop1" Storyboard.TargetProperty="Color" To="#ffc7c7ff" Duration="0:0:0.1" /> <ColorAnimation Storyboard.TargetName="ButtonBorderGradientStop2" Storyboard.TargetProperty="Color" To="#ff9a9aff" Duration="0:0:0.1" /> </Storyboard> <Storyboard x:Key="MouseUpAnimation"> <ColorAnimation Storyboard.TargetName="ButtonBorderGradientStop1" Storyboard.TargetProperty="Color" To="#ffefefff" Duration="0:0:0.1" /> <ColorAnimation Storyboard.TargetName="ButtonBorderGradientStop2" Storyboard.TargetProperty="Color" To="#ffc7c7ff" Duration="0:0:0.1" /> </Storyboard> </ControlTemplate.Resources> <Border x:Name="ButtonBorder" CornerRadius="0" BorderBrush="#55aaaaaa" BorderThickness="1" Width="23" Height="22"> <Border.Background> <LinearGradientBrush StartPoint="0,0" EndPoint="0,1"> <GradientBrush.GradientStops> <GradientStop x:Name="ButtonBorderGradientStop1" Color="#ffeeeeee" Offset="0.0" /> <GradientStop x:Name="ButtonBorderGradientStop2" Color="#ffcccccc" Offset="1.0" /> </GradientBrush.GradientStops> </LinearGradientBrush> </Border.Background> <Image x:Name="ButtonIcon" Source="icons/searchicon_bw.png" Width="16" Height="16" /> </Border> <ControlTemplate.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Trigger.EnterActions> <BeginStoryboard Storyboard="{StaticResource MouseOverAnimation}" /> </Trigger.EnterActions> <Trigger.ExitActions> <BeginStoryboard Storyboard="{StaticResource MouseOutAnimation}" /> </Trigger.ExitActions> </Trigger> <Trigger Property="IsPressed" Value="True"> <Trigger.EnterActions> <BeginStoryboard Storyboard="{StaticResource MouseDownAnimation}" /> </Trigger.EnterActions> <Trigger.ExitActions> <BeginStoryboard Storyboard="{StaticResource MouseUpAnimation}" /> </Trigger.ExitActions> </Trigger> </ControlTemplate.Triggers> </ControlTemplate>

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• XCode linking error when targeting armv7.

  - by Tom

  I've already spent countless hours puzzling over this, utilizing Google searches and other Stack Overflow questions to no avail. I have an iPhone/iPad universal application, which seems to compile fine when the target is armv6. However, when the device is iPad, I get this warning: warning: building for SDK 'Device - iPhone OS 3.2' requires an armv7 architecture. Oddly enough, the app still runs great on iPad in spite of this warning. However, I do want to do things the "right way" what ever that means in this case. When I switch the target architecture to armv7, I get linking errors: "___restore_vfp_d8_d15_regs", referenced from: *redacted* "___save_vfp_d8_d15_regs", referenced from: *redacted* ld: symbol(s) not found collect2: ld returned 1 exit status The "redacted" portions of the errors are references to the static library to which I'm trying to link. Here's what I've tried from the many suggestions online. Each of these were suggested more than once without any explanation, which leads me to believe nobody quite understands this problem: "Never use the drop down menu in the upper left of the XCode window to choose the target. Instead, set this to Base SDK and then the Base SDK to iPhone OS 3.0 in the target configuration. Set the target device to your preferred target (iPad, iPhone OS 3.2 in my situation.)" This yields the error "Library not found for -lcrt1.3.1.o" "Make sure that GCC isn't linking against the wrong version of the standard library. (You'll have to make sure the LIBRARY_SEARCH_PATH doesn't have the wrong path in it.)" My LIBRARY_SEARCH_PATH is already empty, so this doesn't seem relevant. "Try compiling with GCC 4.0 rather than GCC 4.2." I get a syntax error inside a UIKit header file. The error is "Syntax error before 'AT_NAME' token." The line is "UIKIT_EXTERN @interface UILocalizedIndexedCollation : NSObject." Another project compiles just fine with the same target settings, which is really making me question my sanity. Could I be dealing with a corrupt XCode project? If anyone knows what's actually happening and has a reference or doesn't mind explaining it, I would be so very grateful. Cheers!

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• XCode Build and Run

  - by Josh

  I recently reinstalled OSX, and am having a slight annoyance with XCode. Before I reinstalled, I could just hit CMD + Enter, and it would build, then flip the main editor screen to the debugger, where it would show NSLogs, crashes, etc. Now, when I hit CMD + Enter, it just runs the app and stays in the code editor screen. Is there an option I'm missing? I've scoured the preferences, and can't seem to find anything.

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• Trim trailing spaces in XCode

  - by Alexander Gladysh

  Is there a way to force XCode to trim trailing whitespaces when I save file? I'm using version 3.1.3 if that matters.

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