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2014/10/15 ¤U¤È 10:09:07
iphone Programming Glossary: flagshttp://stackoverflow.com/questions/1816614/viewwilldisappear-determine-whether-view-controller-is-being-popped-or-is-showi or whether it is because the view controller is disappearing because it has been popped. At the moment I'm setting flags such as isShowingChildViewController but it's getting fairly complicated. The only way I think I can detect it is in the..
Comparing two NSDates and ignoring the time component http://stackoverflow.com/questions/1854890/comparing-two-nsdates-and-ignoring-the-time-component share improve this question You set the time in the date to 00 00 00 before doing the comparison unsigned int flags NSYearCalendarUnit NSMonthCalendarUnit NSDayCalendarUnit NSCalendar calendar NSCalendar currentCalendar NSDateComponents.. NSDayCalendarUnit NSCalendar calendar NSCalendar currentCalendar NSDateComponents components calendar components flags fromDate date NSDate dateOnly calendar dateFromComponents components ... necessary cleanup Then you can compare the date..
Implementation of “Automatic Lightweight Migration” for Core Data (iPhone) http://stackoverflow.com/questions/2310216/implementation-of-automatic-lightweight-migration-for-core-data-iphone subject I could find Automatic Lightweight Migration To request automatic lightweight migration you set appropriate flags in the options dictionary you pass in addPersistentStoreWithType configuration URL options error . You need to set values..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library How do I link all the Objective C classes in a static library Set the Other Linker Flags build setting to ObjC. and flags descriptions all_load Loads all members of static archive libraries. ObjC Loads all members of static archive libraries..
Missing symbol names when profiling IPhone application with Instruments http://stackoverflow.com/questions/2776466/missing-symbol-names-when-profiling-iphone-application-with-instruments options involved and I am unable to get my symbol names to show when profiling with Instruments. I have tried several flags such as gdawrf 2 and g without any success. I have also tried using dsymutils to generate a .dSYM file but i have no clue..
What does the -all_load linker flag do? http://stackoverflow.com/questions/2906147/what-does-the-all-load-linker-flag-do from static libraries that contain only categories and no classes. The workaround is to use the all_load or force_load flags. all_load forces the linker to load all object files from every archive it sees even those without Objective C code. force_load..
Bonjour over bluetooth WITHOUT Gamekit ? http://stackoverflow.com/questions/3844189/bonjour-over-bluetooth-without-gamekit dns_sd.h . DNSServiceRef serviceRef DNSServiceRegister serviceRef sdRef kDNSServiceFlagsIncludeP2P interfaceIndex 0 flags NULL name _http._tcp regtype NULL domain NULL host 1291 port 0 txtLen NULL txtRecord NULL callBack NULL context..
Search through NSString using Regular Expression http://stackoverflow.com/questions/4353834/search-through-nsstring-using-regular-expression
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now ipop you will know that of course drawRect will not actually run until all processing is finished. setNeedsDisplay flags a view as invalidated and the OS in a word waits until all processing is done. This can be infuriating in the common situation..
Can you use cancel/isCancelled with GCD/dispatch_async? http://stackoverflow.com/questions/5449469/can-you-use-cancel-iscancelled-with-gcd-dispatch-async short you may be able to get away with checking less frequently. You asked whether you could use the NSOperation flags to support cancellation. The answer is no. GCD is not based on NSOperation. In fact in Snow Leopard NSOperation and NSOperationQueue..
How to write a simple Ping method in Cocoa/Objective-C http://stackoverflow.com/questions/798454/how-to-write-a-simple-ping-method-in-cocoa-objective-c const char hostName @ stackoverflow.com cStringUsingEncoding NSASCIIStringEncoding SCNetworkConnectionFlags flags 0 if SCNetworkCheckReachabilityByName hostName flags flags 0 NSLog @ Host is reachable d flags else NSLog @ Host is unreachable.. NSASCIIStringEncoding SCNetworkConnectionFlags flags 0 if SCNetworkCheckReachabilityByName hostName flags flags 0 NSLog @ Host is reachable d flags else NSLog @ Host is unreachable Note SystemConfiguration.framework is required.. NSASCIIStringEncoding SCNetworkConnectionFlags flags 0 if SCNetworkCheckReachabilityByName hostName flags flags 0 NSLog @ Host is reachable d flags else NSLog @ Host is unreachable Note SystemConfiguration.framework is required share..
Application crashed while importing songs from Ipod library in Iphone for iOs 5.0 http://stackoverflow.com/questions/8077725/application-crashed-while-importing-songs-from-ipod-library-in-iphone-for-ios-5 exportAudioMix NSString fileType nil NSString ex nil switch formatID case kAudioFormatLinearPCM UInt32 flags audioDesc mFormatFlags if flags kAudioFormatFlagIsBigEndian fileType @ public.aiff audio ex @ aif else fileType @ com.microsoft.waveform.. fileType nil NSString ex nil switch formatID case kAudioFormatLinearPCM UInt32 flags audioDesc mFormatFlags if flags kAudioFormatFlagIsBigEndian fileType @ public.aiff audio ex @ aif else fileType @ com.microsoft.waveform audio ex @.. exportAudioMix NSString fileType nil NSString ex nil switch formatID case kAudioFormatLinearPCM UInt32 flags audioDesc mFormatFlags if flags kAudioFormatFlagIsBigEndian fileType @ public.aiff audio ex @ aif else fileType @ com.microsoft.waveform..
iOS - Get CPU usage from application http://stackoverflow.com/questions/8223348/ios-get-cpu-usage-from-application thinfo thread_info_count if kr KERN_SUCCESS return 1 basic_info_th thread_basic_info_t thinfo if basic_info_th flags TH_FLAGS_IDLE tot_sec tot_sec basic_info_th user_time.seconds basic_info_th system_time.seconds tot_usec tot_usec basic_info_th..
Installing Core-Plot in Xcode 4.2 for iOS project http://stackoverflow.com/questions/10260291/installing-core-plot-in-xcode-4-2-for-ios-project the Core Plot source tree. Make sure to make this header search path recursive. You need to add ObjC to Other Linker Flags as well as of Xcode 4.2 all_load does not seem to be needed but it may be required for older Xcode versions . I dont understand.. so it will find headers contained in subdirectories of this one. As far as the linker flags go find your Other Linker Flags within these same Build Settings and add ObjC to the list of linker flags This is needed so that symbols from the categories..
Categories in static library for iPhone device 3.0 http://stackoverflow.com/questions/1147676/categories-in-static-library-for-iphone-device-3-0 device 3.0 I have categories in my static library. Any application developer should set ObjC flag to Other Linker Flags to use my static library properly. It works fine for iPhone device iPhone Simulator 2.x and iPhone Simulator 3.0. But it.. the Core Plot framework . All I can say is that for us we were able to add the all_load option to the Other Linker Flags within the target application and that did away with the runtime errors. We didn't see any warnings for duplicate symbols...
AdMob crashes with [GADObjectPrivate changeState:]: unrecognized selector http://stackoverflow.com/questions/12635283/admob-crashes-with-gadobjectprivate-changestate-unrecognized-selector in that error iphone objective c admob share improve this question You need to add ObjC to the Other Linker Flags of your application target's build setting Click the blue top level project icon in XCode Choose your target and go to Build.. setting Click the blue top level project icon in XCode Choose your target and go to Build Settings Under Other Linker Flags add ObjC for both Release and Debug Source https developers.google.com mobile ads sdk docs admob mediation#ios linker Also..
Why does instantiating a UIFont in an iphone unit test cause a crash? http://stackoverflow.com/questions/1689586/why-does-instantiating-a-uifont-in-an-iphone-unit-test-cause-a-crash test target's Test Host should be set to BUNDLE_LOADER . Easy peasy. BUILD SETTINGS The test target's Other Linker Flags should include framework SenTestingKit . BUILD SETTINGS Test After Build should be No. SCHEME 'Build' should include both..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library click the project in the Project Navigator click your app's target then build settings then search for Other Linker Flags click the button and add ' ObjC'. ' all_load' and ' force_load' are no longer needed. Details I found some answers on various.. in iPhone Development FAQ How do I link all the Objective C classes in a static library Set the Other Linker Flags build setting to ObjC. and flags descriptions all_load Loads all members of static archive libraries. ObjC Loads all members..
error when import zlib in iphone sdk http://stackoverflow.com/questions/289274/error-when-import-zlib-in-iphone-sdk status iphone linker share improve this question In your Target settings window scroll down to the Other Linker Flags section and make sure that lz is in the field. This will link against the built in zlib and your error should go away. ..
Xcode - SenTestingKit not found http://stackoverflow.com/questions/3354891/xcode-sentestingkit-not-found or directory . I have looked at my build settings and I have the following configuration options Linking Other Linker Flags framework Foundation framework SenTestingKit framework UIKit Prebinding No Search Paths Debug Configutation iphonesimulator4.0..
Strange issue after upgrading to iOS 4.1 SDK http://stackoverflow.com/questions/3677879/strange-issue-after-upgrading-to-ios-4-1-sdk all about it in this thread on Apple's Developer Forums. The recommended solution is to add the following to Other C Flags in your project's build settings D__IPHONE_OS_VERSION_MIN_REQUIRED 040100 where you replace 040100 with your deployment..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone option Add libxml2 library to to your project Menu Project Edit Project Settings Search for setting Other Linker Flags Add a new search flag lxml2 From hpple get the following source code files an add them to your project TFpple.h TFpple.m..
http://stackoverflow.com/questions/4543582/how-to-use-gdata-in-iphone the following settings. Header Search Paths usr include libxml2 .. gdata objectivec client 1.9.1 Source Other Linker Flags lxml2 ObjC For the Debug build configuration only add the Other C Flags setting so that the library ™s debug only code is.. objectivec client 1.9.1 Source Other Linker Flags lxml2 ObjC For the Debug build configuration only add the Other C Flags setting so that the library ™s debug only code is included Other C Flags DDEBUG 1 Step 5 Now be sure that the downloaded.. Debug build configuration only add the Other C Flags setting so that the library ™s debug only code is included Other C Flags DDEBUG 1 Step 5 Now be sure that the downloaded source code is in the same directory in which your actual Code Folder is...
Xcode — get force_load to work with relative paths http://stackoverflow.com/questions/4787279/xcode-get-force-load-to-work-with-relative-paths With Xcode 4 if you include the library project into your app project then you can add this to the Other Linker Flags force_load BUILT_PRODUCTS_DIR library_name.a You still need the dependency and you need to add the library in the Link Phase..
http://stackoverflow.com/questions/9090745/custom-font-in-a-storyboard
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