| iphone Programming Glossary: cancelledObjective-C, cancel a dispatch queue using UI event http://stackoverflow.com/questions/10066897/objective-c-cancel-a-dispatch-queue-using-ui-event  operation using a UI event Update The code for the process void startFixingModification _fixContacts YES __block BOOL cancelled NO dispatch_queue_t modifyingAddressBookQueue modifyingAddressBookQueue dispatch_queue_create sModifyingAddressBookQueueIdentifier..    NULL dispatch_async modifyingAddressBookQueue ^ for NSMutableDictionary contactDictionary in _contactArray  if cancelled  break  i i 1 BOOL didFixContact self fixNumberInContactDictionary contactDictionary if didFixContact  _fixedNumbers _fixedNumbers.. DISPATCH_QUEUE_PRIORITY_DEFAULT 0 ^  dispatch_sync dispatch_get_main_queue ^  self setAlertViewProgress i     cancelledPtr cancelled Code for alertview my own lib delegate void alertViewProgressCancel ASAlertViewProgress alertView This is a.. 
 How to share or post by mail, twitter and facebook from the current application? http://stackoverflow.com/questions/10860652/how-to-share-or-post-by-mail-twitter-and-facebook-from-the-current-application  Status  alert.message @ Tweet sent  alert show  else  if result TWTweetComposeViewControllerResultCancelled   The user cancelled composing a tweet  alert.title @ Status  alert.message @ Tweet cancelled  alert show   self dismissViewControllerAnimated..   The user cancelled composing a tweet  alert.title @ Status  alert.message @ Tweet cancelled  alert show   self dismissViewControllerAnimated YES completion nil  self presentViewController tweetViewController animated.. 
 Apple reject because of In app purchase not implement restore [closed] http://stackoverflow.com/questions/11200460/apple-reject-because-of-in-app-purchase-not-implement-restore  transaction  break case SKPaymentTransactionStateFailed  if transaction.error.code SKErrorPaymentCancelled  user has cancelled  NSNotificationCenter defaultCenter postNotificationName @ hideRestoring object nil   self failedTransaction transaction.. 
 How do I do an Asychronous NSURLConnection inside an NSOperation? http://stackoverflow.com/questions/1304508/how-do-i-do-an-asychronous-nsurlconnection-inside-an-nsoperation  downloadAndParse toTarget self withObject url self didChangeValueForKey @ isExecuting else If it's already been cancelled mark the operation as finished. self willChangeValueForKey @ isFinished finished YES self didChangeValueForKey @ isFinished.. 
 iPhone core data inserting new objects http://stackoverflow.com/questions/1738676/iphone-core-data-inserting-new-objects  self.managedObjectContext newFlight setRoute routingArray Airport.Board.flights addObject newFlight When the flight is cancelled curse you United you can just remove the Flight from that set and anyone who tries to access the object where it used to.. 
 Subclassing NSOperation to be concurrent and cancellable http://stackoverflow.com/questions/3859631/subclassing-nsoperation-to-be-concurrent-and-cancellable  manner. You are checking your own _isCancelled instance variable to determine whether the operation has been cancelled. NSOperation guarantees that self isCancelled will return YES if the operation has been cancelled. It does not guarantee.. operation has been cancelled. NSOperation guarantees that self isCancelled will return YES if the operation has been cancelled. It does not guarantee that your custom setter method will be called nor that your own instance variable is up to date... @end And the implementation MyOperation.m @implementation MyOperation void main if self isCancelled NSLog @ operation cancelled  Do some work here NSLog @ Working... working.... if self isCancelled NSLog @ operation cancelled  Do any clean up work.. 
 How to list only online users on facebook with xmpp framework http://stackoverflow.com/questions/5300912/how-to-list-only-online-users-on-facebook-with-xmpp-framework  reloadData self showTopBar  Called when the user dismissed the dialog without logging in. void fbDidNotLogin BOOL cancelled UIAlertView alert UIAlertView alloc initWithTitle @ Canceled message @ Login cancled delegate self cancelButtonTitle @ OK.. 
 Can you use cancel/isCancelled with GCD/dispatch_async? http://stackoverflow.com/questions/5449469/can-you-use-cancel-iscancelled-with-gcd-dispatch-async  So we must now tidy up to match setUpHere. self wrapUpHere when you get to here we have finished or the user has cancelled the background operation Whatever technique you use MAKE SURE you clean up all your variables contexts etc before abandoning.. 
 AVFoundation + AssetWriter: Generate Movie With Images and Audio http://stackoverflow.com/questions/5640657/avfoundation-assetwriter-generate-movie-with-images-and-audio 
 Delete a particular local notification http://stackoverflow.com/questions/6340664/delete-a-particular-local-notification  an iPhone alarm app based on local notifications. On deleting an alarm the related local notification should get cancelled. But how can I determine exactly which object from the array of local notifications is to be cancelled I am aware of UIApplication.. should get cancelled. But how can I determine exactly which object from the array of local notifications is to be cancelled I am aware of UIApplication sharedApplication cancelLocalNotification notification method but how can I get this 'notification'.. 
 blank white screen after FB login via web app? http://stackoverflow.com/questions/8019798/blank-white-screen-after-fb-login-via-web-app  'Good to see you ' response.name '.' FB.logout function response console.log 'Logged out.'  else console.log 'User cancelled login or did not fully authorize.' scope 'email publish_stream' redirect_uri 'YOUR_REDIRECT_URL' display 'touch'   share.. 
 How to force iPhone/iPod touch to handle more than 5 touches at the same time? http://stackoverflow.com/questions/1202484/how-to-force-iphone-ipod-touch-to-handle-more-than-5-touches-at-the-same-time  once I put the 6th finger weird things started to happen. I don't get Touch Began for the 6th finger nor Touch Ended Cancelled for the first 5 fingers. Do you know of any workaround for this Does it behave the same on your iPhones iPods Would it work.. 
 how to do facebook login in iOS 6? http://stackoverflow.com/questions/13153307/how-to-do-facebook-login-in-ios-6  handler ^ SLComposeViewControllerResult result  if result SLComposeViewControllerResultCancelled   NSLog @ Cancelled  else   NSLog @ Done   slVC dismissViewControllerAnimated YES completion Nil  slVC.completionHandler.. handler ^ SLComposeViewControllerResult result  if result SLComposeViewControllerResultCancelled   NSLog @ Cancelled  else   NSLog @ Done   slVC dismissViewControllerAnimated YES completion Nil  slVC.completionHandler handler slVC setInitialText.. 
 How to “transfer” first responder from one UIView to another? http://stackoverflow.com/questions/1418685/how-to-transfer-first-responder-from-one-uiview-to-another  subclass CustomView for purposes of this question that has its own handling of all touches events Began Moved Ended Cancelled . I also have a UIButton that is a sibling of CustomView that overlaps it. For example my view hierarchy looks like this.. 
 Unable to post image into facebook using SLComposeViewController? http://stackoverflow.com/questions/14868560/unable-to-post-image-into-facebook-using-slcomposeviewcontroller  ^ SLComposeViewControllerResult result  NSString output  switch result  case SLComposeViewControllerResultCancelled  output @ ACtionCancelled  break  case SLComposeViewControllerResultDone  output @ Post Successfull   self dismissViewControllerAnimated.. result  NSString output  switch result  case SLComposeViewControllerResultCancelled  output @ ACtionCancelled  break  case SLComposeViewControllerResultDone  output @ Post Successfull   self dismissViewControllerAnimated YES completion.. myBlock ^ SLComposeViewControllerResult result  if result SLComposeViewControllerResultCancelled  NSLog @ Cancelled  else   NSLog @ Done   controller dismissViewControllerAnimated YES completion Nil  controller.completionHandler.. 
 Integrating Facebook SDK for older versions of Xcode to Support both iOS 5 and iOS 6 http://stackoverflow.com/questions/15467558/integrating-facebook-sdk-for-older-versions-of-xcode-to-support-both-ios-5-and-i  ^ SLComposeViewControllerResult result NSString output switch result  case SLComposeViewControllerResultCancelled  output @ Action Cancelled  break case SLComposeViewControllerResultDone  output @ Post Successfully  break default  break.. result NSString output switch result  case SLComposeViewControllerResultCancelled  output @ Action Cancelled  break case SLComposeViewControllerResultDone  output @ Post Successfully  break default  break check if everything worked.. 
 How do you add a In-app purchase to an iPhone application? http://stackoverflow.com/questions/19556336/how-do-you-add-a-in-app-purchase-to-an-iphone-application  SKPaymentTransactionStateFailed  called when the transaction does not finnish if transaction.error.code SKErrorPaymentCancelled  NSLog @ Transaction state Cancelled  the user cancelled the payment   SKPaymentQueue defaultQueue finishTransaction transaction.. when the transaction does not finnish if transaction.error.code SKErrorPaymentCancelled  NSLog @ Transaction state Cancelled  the user cancelled the payment   SKPaymentQueue defaultQueue finishTransaction transaction break  Now you want to add your.. 
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