iOS 5 Информации о версии
Платформа основы

Обратная совместимость

Поддержка JSON в основе

Объекты NSValue с общими типами структуры теперь поддерживают включенную архивацию

Новые Макросы Доступности в заголовках Основы

if ([NSNewClass class]) { /* ... */ }

NSFilePresenter

@property (readonly) NSURL *presentedItemURL;

- (void)relinquishPresentedItemToReader:(void (^)(void (^reacquirer)(void)))reader;
- (void)relinquishPresentedItemToWriter:(void (^)(void (^reacquirer)(void)))writer;

- (void)savePresentedItemChangesWithCompletionHandler:(void (^)(NSError *errorOrNil))completionHandler;

NSFileCoordinator

- (void)coordinateReadingItemAtURL:(NSURL *)url
                           options:(NSFileCoordinatorReadingOptions)options
                             error:(NSError **)outError
                        byAccessor:(void (^)(NSURL *newURL))reader;
- (void)coordinateWritingItemAtURL:(NSURL *)url
                           options:(NSFileCoordinatorWritingOptions)options
                             error:(NSError **)outError
                        byAccessor:(void (^)(NSURL *newURL))writer;

- (void)itemAtURL:(NSURL *)oldURL didMoveToURL:(NSURL *)newURL;

Более точное удаление наблюдателей значения ключа

- (void)removeObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath context:(void *)context;

- (void)removeObserver:(NSObject *)observer fromObjectsAtIndexes:(NSIndexSet *)indexes
            forKeyPath:(NSString *)keyPath context:(void *)context;

Исправление ошибки в наблюдении значения ключа

Улучшенная обработка ошибок и сообщающий в NSFileManager

Новый основанный на NSURL NSFileManager API

- (BOOL)createDirectoryAtURL:(NSURL *)url
         withIntermediateDirectories:(BOOL)createIntermediates
                          attributes:(NSDictionary *)attributes
                               error:(NSError **)error;

- (BOOL)createSymbolicLinkAtURL:(NSURL *)url
             withDestinationURL:(NSURL *)destURL
                          error:(NSError **)error;

- (void)enumerateRangesUsingBlock:(void (^)(NSRange range, BOOL *stop))block;
- (void)enumerateRangesWithOptions:(NSEnumerationOptions)opts usingBlock:(void (^)(NSRange range, BOOL *stop))block;
- (void)enumerateRangesInRange:(NSRange)range options:(NSEnumerationOptions)opts usingBlock:(void (^)(NSRange range, BOOL *stop))block;

Безопасный файл, отображающийся для NSData

Более гибкая версия NSIntegralRect

NSUserDefaults и поточная обработка

Потокобезопасность NSProcessInfo

Поток NSXMLParser API

Потокобезопасность NSXMLParser

NSXMLDocument внешнее ограничение объекта API

NSXMLNodeLoadExternalEntitiesAlways

NSXMLNodeLoadExternalEntitiesSameOriginOnly

NSXMLNodeLoadExternalEntitiesNever

- (id)initWithData:(NSData *)data options:(NSUInteger)mask validExternalEntityURLs:(NSSet *)validURLs error:(NSError **)error;

NSBundle-bundlePath/-bundleURL фиксирует

Поддержка получения App Store NSBundle

- (NSURL *)appStoreReceiptURL;

NSFileHandle основанный на блоке readability/writeability API

@property (copy) void (^readabilityHandler)(NSFileHandle *);
@property (copy) void (^writeabilityHandler)(NSFileHandle *);

NSRegularExpression

enum {
   NSRegularExpressionCaseInsensitive            = 1 << 0, // Match letters in the pattern independent of case.
   NSRegularExpressionAllowCommentsAndWhitespace = 1 << 1, // Ignore whitespace and #-prefixed comments in the pattern.
   NSRegularExpressionIgnoreMetacharacters       = 1 << 2, // Treat the entire pattern as a literal string.
   NSRegularExpressionDotMatchesLineSeparators   = 1 << 3, // Allow . to match any character, including line separators.
   NSRegularExpressionAnchorsMatchLines          = 1 << 4, // Allow ^ and $ to match the start and end of lines.
   NSRegularExpressionUseUnixLineSeparators      = 1 << 5, // Treat only \n as a line separator (otherwise, all standard
                                                           //   line separators are used).
   NSRegularExpressionUseUnicodeWordBoundaries   = 1 << 6  // Use Unicode TR#29 to specify word boundaries (otherwise,
                                                           //   traditional regular expression word boundaries are used).
};
typedef NSUInteger NSRegularExpressionOptions;

enum {
   NSMatchingReportProgress           = 1 << 0,  // Call the block periodically during long-running match operations.
   NSMatchingReportCompletion         = 1 << 1,  // Call the block once after the completion of any matching.
   NSMatchingAnchored                 = 1 << 2,  // Limit matches to those at the start of the search range.
   NSMatchingWithTransparentBounds    = 1 << 3,  // Allow matching to look beyond the bounds of the search range.
   NSMatchingWithoutAnchoringBounds   = 1 << 4   // Prevent ^ and $ from automatically matching the beginning and end of the search range.
};
typedef NSUInteger NSMatchingOptions;

enum {
   NSMatchingProgress      = 1 << 0,  // Set when the block is called to report progress during a long-running match operation.
   NSMatchingCompleted     = 1 << 1,  // Set when the block is called after completion of any matching.
   NSMatchingHitEnd        = 1 << 2,  // Set when the current match operation reached the end of the search range.
   NSMatchingRequiredEnd   = 1 << 3,  // Set when the current match depended on the location of the end of the search range.
   NSMatchingInternalError = 1 << 4   // Set when matching failed due to an internal error.
};
typedef NSUInteger NSMatchingFlags;

Дополнения регулярного выражения к NSString

NSDataDetector

Дополнения к NSTextCheckingResult

@property (readonly) NSUInteger numberOfRanges;
- (NSRange)rangeAtIndex:(NSUInteger)idx;

- (NSTextCheckingResult *)resultByAdjustingRangesWithOffset:(NSInteger)offset;

+ (NSTextCheckingResult *)phoneNumberCheckingResultWithRange:(NSRange)range phoneNumber:(NSString *)phoneNumber;
+ (NSTextCheckingResult *)transitInformationCheckingResultWithRange:(NSRange)range components:(NSDictionary *)components;

@property (readonly) NSString *phoneNumber;

@property (readonly) NSDictionary *components;

NSLinguisticTagger

NSURLConnection

- (void)setDelegateQueue:(NSOperationQueue *)queue;

+ (void)sendAsynchronousRequest:(NSURLRequest *)request
             queue:(NSOperationQueue *)queue
       completionHandler:(void (^)(NSURLResponse *, NSData *, NSError *))handler;

- (void)connection: (NSURLConnection *) connection
        willSendRequestForAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge;

@optional
- (void)performDefaultHandlingForAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge;
- (void)rejectProtectionSpaceAndContinueWithChallenge:(NSURLAuthenticationChallenge *)challenge;

NSURLRequest

- (NSURLRequestNetworkServiceType)networkServiceType;
- (void)setNetworkServiceType:(NSURLRequestNetworkServiceType)networkServiceType;

- (BOOL)HTTPShouldUsePipelining;
- (void)setHTTPShouldUsePipelining:(BOOL)shouldUsePipelining;

NSHTTPCookieStorage

- (NSArray *)sortedCookiesUsingDescriptors:(NSArray *)sortOrder;

- (NSArray *)cookies;

Новый класс набора

- (NSUInteger)count;
- (id)objectAtIndex:(NSUInteger)idx;

- (NSUInteger)indexOfObject:(id)object;

- (void)insertObject:(id)object atIndex:(NSUInteger)idx;
- (void)replaceObjectAtIndex:(NSUInteger)idx withObject:(id)object;
- (void)removeObjectAtIndex:(NSUInteger)idx;

- (NSArray *)array;
- (NSSet *)set;

[aMutableOrderedSet removeObjectsInArray:[aMutableOrderedSet array]]

[[anOrderedSet array] copy];

[[anOrderedSet set] copy];

NSCalendar

iCloud

Строковая обработка файла