2014/10/15 下午 10:03:31

iphone Programming Glossary: afetchedresultscontroller

NSFetchedResultsController with sections created by first letter of a string

http://stackoverflow.com/questions/1112521/nsfetchedresultscontroller-with-sections-created-by-first-letter-of-a-string

key path and cache name if appropriate. nil for section name key path means no sections . NSFetchedResultsController aFetchedResultsController NSFetchedResultsController alloc initWithFetchRequest fetchRequest managedObjectContext managedObjectContext sectionNameKeyPath.. ascending YES fetchRequest setSortDescriptors NSArray arrayWithObject nameInitialSortOrder NSFetchedResultsController aFetchedResultsController NSFetchedResultsController alloc initWithFetchRequest fetchRequest managedObjectContext managedObjectContext sectionNameKeyPath.. autorelease fetchRequest setSortDescriptors NSArray arrayWithObject nameInitialSortOrder NSFetchedResultsController aFetchedResultsController NSFetchedResultsController alloc initWithFetchRequest fetchRequest managedObjectContext managedObjectContext sectionNameKeyPath..

Using custom sections with NSFetchedResultsController?

http://stackoverflow.com/questions/1384345/using-custom-sections-with-nsfetchedresultscontroller

returns a days ago number putting that in here gives me sections based on those numbers NSFetchedResultsController aFetchedResultsController NSFetchedResultsController alloc initWithFetchRequest fetchRequest managedObjectContext managedObjectContext sectionNameKeyPath..

Core Data backed UITableView with indexing

http://stackoverflow.com/questions/1599204/core-data-backed-uitableview-with-indexing

alloc initWithObjects sortDescriptor nil fetchRequest setSortDescriptors sortDescriptors NSFetchedResultsController aFetchedResultsController NSFetchedResultsController alloc initWithFetchRequest fetchRequest managedObjectContext managedObjectContext sectionNameKeyPath.. managedObjectContext managedObjectContext sectionNameKeyPath @ name this key defines the sections cacheName @ Root aFetchedResultsController.delegate self self.fetchedResultsController aFetchedResultsController Then you can get the section names like this NSString.. this key defines the sections cacheName @ Root aFetchedResultsController.delegate self self.fetchedResultsController aFetchedResultsController Then you can get the section names like this NSString tableView UITableView tableView titleForHeaderInSection NSInteger..

How to use the first character as a section name

http://stackoverflow.com/questions/1741093/how-to-use-the-first-character-as-a-section-name

put in a new property to just hold the first letter and use that as the sectionNameKeyPath NSFetchedResultsController aFetchedResultsController NSFetchedResultsController alloc initWithFetchRequest fetchRequest managedObjectContext managedObjectContext sectionNameKeyPath.. in this version don't forget to pass 'uppercaseFirstLetterOfName' as the sectionNameKeyPath NSFetchedResultsController aFetchedResultsController NSFetchedResultsController alloc initWithFetchRequest fetchRequest managedObjectContext managedObjectContext sectionNameKeyPath..

iPhone SDK Core Data: Fetch all entities with a nil relationship?

http://stackoverflow.com/questions/2745994/iphone-sdk-core-data-fetch-all-entities-with-a-nil-relationship

nil fetchRequest setSortDescriptors sortDescriptors NSString sectionKey @ name nil NSFetchedResultsController aFetchedResultsController NSFetchedResultsController alloc initWithFetchRequest fetchRequest managedObjectContext managedObjectContext sectionNameKeyPath.. fetchRequest managedObjectContext managedObjectContext sectionNameKeyPath sectionKey cacheName nil BOOL success aFetchedResultsController performFetch nil NSMutableArray orphans nil this is always 0 NSLog @ Orphans found i aFetchedResultsController.fetchedObjects.count.. success aFetchedResultsController performFetch nil NSMutableArray orphans nil this is always 0 NSLog @ Orphans found i aFetchedResultsController.fetchedObjects.count if aFetchedResultsController.fetchedObjects.count 0 orphans NSMutableArray alloc init for Book book..

How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll

key path and cache name if appropriate. nil for section name key path means no sections . NSFetchedResultsController aFetchedResultsController NSFetchedResultsController alloc initWithFetchRequest fetchRequest managedObjectContext self.managedObjectContext.. fetchRequest managedObjectContext self.managedObjectContext sectionNameKeyPath nil cacheName nil aFetchedResultsController.delegate self fetchRequest release NSError error nil if aFetchedResultsController performFetch error Replace this implementation.. nil cacheName nil aFetchedResultsController.delegate self fetchRequest release NSError error nil if aFetchedResultsController performFetch error Replace this implementation with code to handle the error appropriately. abort causes the application..

NSFetchedResultsController custom sort not getting called

http://stackoverflow.com/questions/4789782/nsfetchedresultscontroller-custom-sort-not-getting-called

fetchRequest setEntity entity fetchRequest setSortDescriptors sortDescriptors NSFetchedResultsController aFetchedResultsController NSFetchedResultsController alloc initWithFetchRequest fetchRequest managedObjectContext self.managedObjectContext sectionNameKeyPath.. managedObjectContext self.managedObjectContext sectionNameKeyPath @ firstLetterOfObject cacheName @ Objects aFetchedResultsController release fetchRequest release sortDescriptor release sortDescriptors release if fetchedResultsController performFetch error..

Getting an NSInvalidArguementException error

http://stackoverflow.com/questions/5815549/getting-an-nsinvalidarguementexception-error

key path and cache name if appropriate. nil for section name key path means no sections . NSFetchedResultsController aFetchedResultsController NSFetchedResultsController alloc initWithFetchRequest fetchRequest managedObjectContext self.managedObjectContext sectionNameKeyPath.. initWithFetchRequest fetchRequest managedObjectContext self.managedObjectContext sectionNameKeyPath nil cacheName nil aFetchedResultsController.delegate self self.fetchedResultsController aFetchedResultsController NSError error nil if self.fetchedResultsController.. sectionNameKeyPath nil cacheName nil aFetchedResultsController.delegate self self.fetchedResultsController aFetchedResultsController NSError error nil if self.fetchedResultsController performFetch error Replace this implementation with code to handle the..

Distinct Count via Core Data, NSExpression Into NSFetchedResultsController

http://stackoverflow.com/questions/9157436/distinct-count-via-core-data-nsexpression-into-nsfetchedresultscontroller