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2014/10/15 ¤U¤È 10:05:32
iphone Programming Glossary: controllerwillchangecontentHow to implement re-ordering of CoreData records? http://stackoverflow.com/questions/1077568/how-to-implement-re-ordering-of-coredata-records NO and also prevent the notifications to do anything as changes are already done by the user void controllerWillChangeContent NSFetchedResultsController controller if userDrivenDataModelChange return ... void controller NSFetchedResultsController..
Core Data backed UITableView with indexing http://stackoverflow.com/questions/1599204/core-data-backed-uitableview-with-indexing real headaches when it comes to adding and deleting rows specifically how to properly implement these methods void controllerWillChangeContent NSFetchedResultsController controller void controller NSFetchedResultsController controller didChangeObject id anObject..
Custom Section Name Crashing NSFetchedResultsController http://stackoverflow.com/questions/2475542/custom-section-name-crashing-nsfetchedresultscontroller table update code copied from either the Core Data Recipes sample or the CoreBooks sample I can't remember which void controllerWillChangeContent NSFetchedResultsController controller self.tableView beginUpdates void controller NSFetchedResultsController controller..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll return YES make sure that you use the correct table view when getting updates from the FRC delegate methods void controllerWillChangeContent NSFetchedResultsController controller UITableView tableView controller self.fetchedResultsController self.tableView self.searchDisplayController.searchResultsTableView..
why do programmers use configureCell:atIndexPath: method to config the tableView Cell http://stackoverflow.com/questions/5467831/why-do-programmers-use-configurecellatindexpath-method-to-config-the-tableview a convention. The early versions of NSFetchedResultsControllerDelegate had a controllerDidChangeContent method but no controllerWillChangeContent call which meant there was no opportunity to call UITableView beginUpdates before changing the contents of the table view...
Getting an NSInvalidArguementException error http://stackoverflow.com/questions/5815549/getting-an-nsinvalidarguementexception-error This is usually a bug within an observer of NSManagedObjectContextObjectsDidChangeNotification. __NSCFDictionary controllerWillChangeContent unrecognized selector sent to instance 0x1ba1b0 with userInfo null 2011 04 28 04 02 58.353 Curl 8035 707 Terminating app.. 58.353 Curl 8035 707 Terminating app due to uncaught exception 'NSInvalidArgumentException' reason ' __NSCFDictionary controllerWillChangeContent unrecognized selector sent to instance 0x1ba1b0' method void addExercise if managedObjectContext nil managedObjectContext.. release sortDescriptor release sortDescriptors release #pragma mark Fetched results controller delegate void controllerWillChangeContent NSFetchedResultsController controller self.routineTableView beginUpdates void controller NSFetchedResultsController controller..
If I release, I get bad access, if I retain, I leak http://stackoverflow.com/questions/6006028/if-i-release-i-get-bad-access-if-i-retain-i-leak there somewhere. I'll play with it and post the results. p Edit 5 16 Getting this error message in the log CustomTVC controllerWillChangeContent message sent to deallocated instance 0x187270 This only happens after I pop the CustomTVC off the stack go back to the navigation..
http://stackoverflow.com/questions/7844326/coredata-error-driving-me-crazy-coredata-serious-application-error-an-excep so I know the model is being updated fine. Here are the tableview delegate methods from the 2nd view controller. void controllerWillChangeContent NSFetchedResultsController controller self.tableView beginUpdates void controller NSFetchedResultsController controller.. sequence but never ends adding the new item to the tableview. Here is the sequence it goes through. Simulator VC controllerWillChangeContent which runs... self.tableView beginUpdates didChangeObject ..with message NSFetchedResultsChangeUpdate ..which ran self configureCell.. Create a new instance of the appropriate class insert it into the array and add a new row to the table view void controllerWillChangeContent NSFetchedResultsController controller The fetch controller is about to start sending change notifications so prepare the..
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