iOS8:Framework:Foundation Framework:Tasks

iOS8 Framework

Object

• Initializing a Class
• Creating, Copying, and Deallocating Objects
• Identifying Classes
• Testing Class Functionality
• Testing Protocol Conformance
• Obtaining Information About Methods
• Describing Objects
• Discardable Content Proxy Support
• Sending Messages
• Forwarding Messages
• Dynamically Resolving Methods
• Error Handling
• Archiving
• Deprecated Methods

Array

• Creating an Array
• Initializing an Array
• Querying an Array
• Finding Objects in an Array
• Sending Messages to Elements
• Comparing Arrays
• Deriving New Arrays
• Sorting
• Working with String Elements
• Creating a Description
• Collecting Paths
• Key-Value Observing
• Key-Value Coding

Mutable Array

• Creating and Initializing a Mutable Array
• Adding Objects
• Removing Objects
• Replacing Objects
• Filtering Content
• Rearranging Content

Assertion Handler

• Handling Assertion Failures

Attributed String

• Creating an NSAttributedString Object
• Retrieving Character Information
• Retrieving Attribute Information
• Comparing Attributed Strings
• Extracting a Substring
• Enumerating over Attributes in a String

Mutable Attributed String

• Retrieving character information
• Changing characters
• Changing attributes
• Changing characters and attributes
• Grouping changes

Autorelease Pool

• Managing a Pool
• Adding an Object to a Pool

Bundle

• Initializing an NSBundle
• Getting an NSBundle
• Getting a Bundled Class
• Finding Resources
• Getting the Bundle Directory
• Getting Bundle Information
• Managing Localized Resources
• Loading a Bundle’s Code
• Managing Localizations

Cache

• Modifying the Cache Name
• Getting a Cached Value
• Adding and Removing Cached Values
• Managing Cache Size
• Managing Discardable Content
• Managing the Delegate

Cached URL Response

• Creating a cached URL response
• Getting cached URL response properties

Calendar

• System Locale Information
• Initializing a Calendar
• Getting Information About a Calendar
• Calendrical Calculations

Character Set

• Creating a Standard Character Set
• Creating a Character Set for URL Encoding
• Creating a Custom Character Set
• Creating and Managing Character Sets as Bitmap Representations
• Testing Set Membership

Mutable Character Set

• Adding and removing characters
• Combining character sets
• Inverting a character set

Coder

• Inspecting a Coder
• Encoding General Data
• Encoding Geometry-Based Data
• Encoding Core Media Time Structures
• Decoding General Data
• Decoding Geometry-Based Data
• Decoding Core Media Time Structures
• Secure Coding
• Getting Version Information
• Managing Zones

Keyed Archiver (Coder)

• Initializing an NSKeyedArchiver Object
• Archiving Data
• Encoding Data and Objects
• Managing the Delegate
• Managing Classes and Class Names

Keyed Unarchiver (Coder)

• Initializing a Keyed Unarchiver
• Unarchiving Data
• Decoding Data
• Managing the Delegate
• Managing Class Names

Condition

• Waiting for the Lock
• Signaling Waiting Threads
• Identifying the Condition

Condition Lock

• Initializing an NSConditionLock Object
• Accessing the Condition
• Acquiring and Releasing a Lock
• Identifying the Condition Lock

Data

• Creating Data Objects
• Accessing Data
• Base-64 Encoding
• Testing Data
• Storing Data

Mutable Data

• Creating and Initializing an NSMutableData Object
• Adjusting Capacity
• Accessing Data
• Adding Data
• Modifying Data

Purgeable (Mutable) Data

Date

• Creating and Initializing Date Objects
• Getting Temporal Boundaries
• Comparing Dates
• Getting Time Intervals
• Adding a Time Interval
• Representing Dates as Strings

Date Components

• Getting the Date Value
• Accessing the Date Components

Decimal Number Handler

• Creating a Decimal Number Handler
• Initializing a decimal number handler

Dictionary

• Creating a Dictionary
• Initializing an NSDictionary Instance
• Creating Key Sets for Shared-Key Optimized Dictionaries
• Counting Entries
• Comparing Dictionaries
• Accessing Keys and Values
• Enumerating Dictionaries
• Sorting Dictionaries
• Filtering Dictionaries
• Storing Dictionaries
• Accessing File Attributes
• Creating a Description

Mutable Dictionary

• Creating and Initializing a Mutable Dictionary
• Adding Entries to a Mutable Dictionary
• Removing Entries From a Mutable Dictionary

Enumerator

• Getting the Enumerated Objects

Directory Enumerator

• Getting File and Directory Attributes
• Skipping Subdirectories

Error

• Creating Error Objects
• Getting Error Properties
• Getting a Localized Error Description
• Getting the Error Recovery Attempter
• Displaying a Help Anchor

Exception

• Creating and Raising an NSException Object
• Querying an NSException Object
• Getting Exception Stack Frames

Expression

• Initializing an Expression
• Creating an Expression for a Value
• Creating a Collection Expression
• Creating a Subquery
• Creating an Expression Using Blocks
• Creating an Expression for a Function
• Getting Information About an Expression
• Evaluating an Expression
• Accessing the Expression Block

Extension Context

• Handling Requests
• Opening URLs
• Storing Extension Items

Extension Item

• Identifying the Item
• Item Contents

File Access Intent

• Creating a File Access Intent
• Accessing the Current URL

File Coordinator

• Initializing a File Coordinator
• Managing File Presenters
• Coordinating File Operations Asynchronously
• Coordinating File Operations Synchronously

File Handle

• Getting a File Handle
• Creating a File Handle
• Getting a File Descriptor
• Reading from a File Handle
• Writing to a File Handle
• Reading and Writing Using Blocks
• Communicating Asynchronously
• Seeking Within a File
• Operating on a File

File Manager

• Creating a File Manager
• Locating System Directories
• Locating Application Group Container Directories
• Discovering Directory Contents
• Creating and Deleting Items
• Moving and Copying Items
• Managing iCloud-Based Items
• Creating Symbolic and Hard Links
• Determining Access to Files
• Getting and Setting Attributes
• Getting and Comparing File Contents
• Getting the Relationship Between Items
• Converting File Paths to Strings
• Managing the Delegate
• Managing the Current Directory
• Deprecated Methods

File Security

File Version

• Getting the Version of a File
• Accessing the Version Information
• Handling Version Conflicts
• Replacing and Deleting Versions

File Wrapper

• Creating File Wrappers
• Querying File Wrappers
• Accessing File-Wrapper Information
• Updating File Wrappers
• Serializing
• Accessing Files
• Writing Files

Formatter

• Textual representation of cell content
• Object equivalent to textual representation
• Dynamic cell editing

Byte Count Formatter

• Creating Strings from Byte Count
• Setting Formatting Styles

Date Components Formatter

Date Formatter

• Converting Objects
• Managing Formats and Styles
• Managing Attributes
• Managing Behavior Version
• Managing Natural Language Support
• Managing AM and PM Symbols
• Managing Weekday Symbols
• Managing Month Symbols
• Managing Quarter Symbols
• Managing Era Symbols

Date Interval Formatter

Energy Formatter

Length Formatter

Mass Formatter

Number Formatter

• Configuring Formatter Behavior and Style
• Converting Between Numbers and Strings
• Managing Localization of Numbers
• Configuring Rounding Behavior
• Configuring Numeric Formats
• Configuring Numeric Symbols
• Configuring the Format of Currency
• Configuring Numeric Prefixes and Suffixes
• Configuring the Display of Numeric Values
• Configuring Separators and Grouping Size
• Managing the Padding of Numbers
• Managing Input and Output Attributes
• Configuring Significant Digits
• Managing Leniency Behavior
• Managing the Validation of Partial Numeric Strings

Hash Table

• Initialization
• Convenience Constructors
• Accessing Content
• Manipulating Membership
• Comparing Hash Tables
• Set Functions
• Accessing Pointer Functions

HTTP Cookie

• Create cookie instances
• Convert cookies to request headers
• Getting cookie properties

HTTP Cookie Storage

• Creating and Initializing a Cookie Storage Object
• Getting the Shared Cookie Storage Object
• Getting and Setting the Cookie Accept Policy
• Adding and Removing Cookies
• Retrieving Cookies

Index Path

• Creating Index Paths
• Querying Index Paths
• Comparing Index Paths

Index Set

• Creating Index Sets
• Querying Index Sets
• Enumerating Index Set Content
• Comparing Index Sets
• Getting Indexes
• Enumerating Indexes

Mutable Index Set

• Adding Indexes
• Removing Indexes
• Shifting Index Groups

Invocation

• Creating NSInvocation Objects
• Configuring an Invocation Object
• Dispatching an Invocation
• Getting the Method Signature

Item Provider

• Initializing an Item Provider
• Getting Items of Specific Types
• Previewing Items

JSON Serialization

• Creating a JSON Object
• Creating JSON Data

Linguistic Tagger

• Creating a Linguistic Tagger
• Getting the Tag Schemes
• Getting and Setting the Analyzed String
• Getting and Setting Orthography
• Enumerating Linguistic Tags
• Determining a Sentence for a Range

Locale

• Getting and Initializing Locales
• Getting Information About a Locale
• Getting System Locale Information
• Converting Between Identifiers
• Getting Preferred Languages
• Getting Line and Character Direction For a Language

Lock

• Acquiring a Lock
• Naming the Lock

Map Table

• Creating and Initializing a Map Table
• Accessing Content
• Manipulating Content
• Creating a Dictionary Representation
• Accessing Pointer Functions

Metadata Item

• Getting Item Attributes

Metadata Query

• Configuring Queries
• Running Queries
• Getting Query Results

Metadata Query Attribute Value Tuple

• Getting Query Attribute/Value Information

Metadata Query Result Group

• Getting Query Results

Method Signature

• Creating a Method Signature Object
• Getting Information on Argument Types
• Getting Information on Return Types
• Determining Synchronous Status

Net Service

• Creating Network Services
• Configuring Network Services
• Managing Run Loops
• Using Network Services
• Obtaining the DNS Hostname

Net Service Browser

• Creating Network Service Browsers
• Configuring Network Service Browsers
• Using Network Service Browsers
• Managing Run Loops

Notification

• Creating Notifications
• Getting Notification Information

Notification Center

• Getting the Notification Center
• Managing Notification Observers
• Posting Notifications

Notification Queue

• Creating Notification Queues
• Getting the Default Queue
• Managing Notifications

Null

• Obtaining an instance

Operation

• Initialization
• Executing the Operation
• Canceling Operations
• Getting the Operation Status
• Managing Dependencies
• Configuring the Execution Priority
• Waiting on an Operation Object

Block Operation

• Managing the Blocks in the Operation

Invocation Operation

• Initialization
• Getting Attributes

Operation Queue

• Getting Specific Operation Queues
• Managing Operations in the Queue
• Managing the Execution of Operations
• Suspending Operations
• Configuring the Queue

Ordered Set

• Creating an Ordered Set
• Initializing an Ordered Set
• Counting Entries
• Accessing Set Members
• Key-Value Coding Support
• Key-Value Observing Support
• Comparing Sets
• Creating a Sorted Array
• Filtering Ordered Sets
• Describing a Set
• Converting Other Collections

Mutable Ordered Set

• Creating a Mutable Ordered Set
• Adding, Removing, and Reordering Entries
• Sorting Entries
• Combining and Recombining Entries

Orthography

• Creating Instances of NSOrthography
• Defining the Language Map
• Managing Languages and Scripts

Pipe

• Creating an NSPipe Object
• Getting the File Handles for a Pipe

Pointer Array

• Creating and Initializing a New Pointer Array
• Managing the Collection
• Getting the Pointer Functions

Pointer Functions

• Creating and Initializing an NSPointerFunctions Object
• Personality Functions
• Memory Configuration

Port

• Creating Instances
• Validation
• Setting the Delegate
• Setting Information
• Port Monitoring

Mach Port

• Creating and Initializing
• Getting the Mach Port
• Scheduling the Port on a Run Loop
• Getting and Setting the Delegate

Message Port

Predicate

• Creating a Predicate
• Evaluating a Predicate
• Getting a String Representation

Comparison Predicate

• Creating Comparison Predicates
• Getting Information About a Comparison Predicate

Compound Predicate

• Constructors
• Getting Information About a Compound Predicate

Process Info

• Getting the Process Information Agent
• Accessing Process Information
• Getting Host Information
• Getting Computer Information
• Managing Activities

Progress

• Creating Progress Objects
• Current Progress Object
• Reporting Progress
• Observing Progress
• Controlling Progress
• Progress Information

Property List Serialization

• Serializing a Property List
• Deserializing a Property List
• Validating a Property List
• Obsolete Methods

Recursive Lock

• Acquiring a Lock
• Naming the Lock

Regular Expression

• Creating Regular Expressions
• Getting the Regular Expression and Options
• Searching Strings Using Regular Expressions
• Replacing Strings Using Regular Expressions
• Escaping Characters in a String
• Custom Replace Functionality

Data Detector (Regular Expression)

• Creating Data Detector Instances
• Getting the Checking Types

Run Loop

• Accessing Run Loops and Modes
• Managing Timers
• Managing Ports
• Running a Loop
• Scheduling and Canceling Messages

Scanner

• Creating a Scanner
• Getting a Scanner’s String
• Configuring a Scanner
• Scanning a String

Set

• Creating a Set
• Initializing a Set
• Counting Entries
• Accessing Set Members
• Comparing Sets
• Creating a Sorted Array
• Key-Value Observing
• Describing a Set

Mutable Set

• Creating a mutable set
• Adding and removing entries
• Combining and recombining sets

Counted (Mutable) Set

• Initializing a Counted Set
• Adding and Removing Entries
• Examining a Counted Set

Sort Descriptor

• Initializing a Sort Descriptor
• Getting Information About a Sort Descriptor
• Using Sort Descriptors
• Create an NSComparator for the Sort Descriptor.

Stream

• Configuring Streams
• Using Streams
• Managing Run Loops
• Getting Stream Information

Input Stream

• Creating Streams
• Using Streams

Output Stream

• Creating Streams
• Using Streams

String

• Creating and Initializing Strings
• Creating and Initializing a String from a File
• Creating and Initializing a String from an URL
• Writing to a File or URL
• Getting a String’s Length
• Getting Characters and Bytes
• Getting C Strings
• Combining Strings
• Dividing Strings
• Finding Characters and Substrings
• Replacing Substrings
• Determining Line and Paragraph Ranges
• Determining Composed Character Sequences
• Converting String Contents Into a Property List
• Identifying and Comparing Strings
• Folding Strings
• Getting a Shared Prefix
• Changing Case
• Getting Strings with Mapping
• Getting Numeric Values
• Working with Encodings
• Working with Paths
• Working with URLs
• Linguistic Tagging and Analysis

Mutable String

• Creating and Initializing a Mutable String
• Modifying a String

Text Checking Result

• Text Checking Type Range and Type
• Text Checking Results for Text Replacement
• Text Checking Results for Regular Expressions
• Text Checking Result Components
• Text Checking Results for URLs
• Text Checking Results for Addresses
• Text Checking Results for Transit Information
• Text Checking Results for Phone Numbers
• Text Checking Results for Dates and Times
• Text Checking Results for Typography
• Text Checking Results for Spelling
• Text Checking Results for Orthography
• Text Checking Results for Grammar
• Adjusting the Ranges of a Text Checking Result

Thread

• Initializing an NSThread Object
• Starting a Thread
• Stopping a Thread
• Determining the Thread’s Execution State
• Working with the Main Thread
• Querying the Environment
• Working with Thread Properties
• Working with Thread Priorities

Timer

• Creating a Timer
• Firing a Timer
• Stopping a Timer
• Information About a Timer
• Firing Tolerance

Time Zone

• Creating and Initializing Time Zone Objects
• Working with System Time Zones
• Getting Time Zone Information
• Getting Information About a Specific Time Zone
• Comparing Time Zones
• Describing a Time Zone
• Getting Information About Daylight Saving

Ubiquitous Key Value Store

• Getting the Shared Instance
• Getting Values
• Setting Values
• Explicitly Synchronizing In-Memory Key-Value Data to Disk
• Removing Keys
• Retrieving the Current Keys and Values

Undo Manager

• Registering Undo Operations
• Checking Undo Ability
• Performing Undo and Redo
• Limiting the Undo Stack
• Creating Undo Groups
• Enabling and Disabling Undo
• Checking Whether Undo or Redo Is Being Performed
• Clearing Undo Operations
• Managing the Action Name
• Getting and Localizing the Menu Item Title
• Working with Run Loops
• Discardable Undo and Redo Actions

URL

• Creating an NSURL Object
• Identifying and Comparing Objects
• Querying an NSURL
• Accessing the Parts of the URL
• Modifying and Converting a File URL
• Working with Bookmark Data
• Getting and Setting File System Resource Properties
• Working with Promised Items

URL Authentication Challenge

• Creating an authentication challenge instance
• Getting authentication challenge properties

URL Cache

• Getting and setting shared cache
• Creating a new cache object
• Getting and storing cached objects
• Removing cached objects
• Getting and setting on-disk cache properties
• Getting and setting in-memory cache properties

URL Components

• Creating and Configuring
• Obtaining a URL
• Properties in Native Format
• Properties in URL-Encoded Format

URL Connection

• Preflighting a Connection Request
• Connection URL Information
• Loading Data Synchronously
• Loading Data Asynchronously
• Stopping a Connection
• Scheduling Delegate Method Calls

URL Credential

• Creating a credential
• Getting credential properties

URL Credential Storage

• Getting the Credential Storage
• Getting and Setting Default Credentials
• Adding and Removing Credentials
• Retrieving Credentials

URL Protection Space

• Creating a protection space
• Getting protection space properties

URL Protocol

• Creating Protocol Objects
• Registering and Unregistering Protocol Classes
• Getting and Setting Request Properties
• Determining If a Subclass Can Handle a Request
• Providing a Canonical Version of a Request
• Determining If Requests Are Cache Equivalent
• Starting and Stopping Downloads
• Getting Protocol Attributes

URL Query Item

• Creating a Query Item
• Reading a Query Item’s Name and Value

URL Request

• Creating Requests
• Getting Request Properties
• Getting HTTP Request Properties
• Allowing Cellular Access
• Support for Secure Coding

Mutable URL Request

• Setting Request Properties
• Setting HTTP Specific Properties

URL Response

• Creating a response
• Getting the response properties

HTTP URL Response

• Initializing a Response Object
• Getting HTTP Response Headers
• Getting Response Status Code

URL Session

• Creating a Session
• Configuring a Session
• Adding Data Tasks to a Session
• Adding Download Tasks to a Session
• Adding Upload Tasks to a Session
• Managing the Session

URL Session Configuration

• Creating a Session Configuration Object
• Setting General Properties
• Setting Cookie Policies
• Setting Security Policies
• Setting Caching Policies
• Supporting Background Transfers
• Supporting Custom Protocols
• Setting HTTP Policy and Proxy Properties
• Deprecated Methods

URL Session Task

• Controlling the Task State
• Obtaining Task Progress
• Obtaining General Task Information

URL Session Data Task

URL Session Upload (Data) Task

URL Session Download Task

• Canceling a Download

User Activity

• Creating a User Activity Object
• Continuing an Activity With Streams
• Maintaining Activity State
• Identifying the Activity
• Continuing Web Browsing

User Defaults

• Getting the Shared NSUserDefaults Instance
• Initializing an NSUserDefaults Object
• Registering Defaults
• Getting Default Values
• Setting Default Values
• Removing Defaults
• Maintaining Persistent Domains
• Accessing Managed Environment Keys
• Managing the Search List
• Maintaining Volatile Domains
• Maintaining Suites

UUID

• Creating UUIDs
• Get UUID Values

Value

• Working with Raw Values
• Working with Pointer and Object Values
• Working with Range Values
• Working with CoreGraphics Geometry Values
• Working with UIKit Geometry Values
• Working with CoreAnimation Transform Values
• Working with Media Time Values
• Working with Geographic Coordinate Values
• Working with SceneKit Vector and Matrix Values
• Comparing Value Objects

Number (Value)

• Creating an NSNumber Object
• Initializing an NSNumber Object
• Accessing Numeric Values
• Retrieving String Representations
• Comparing NSNumber Objects
• Accessing Type Information

Decimal Number (Value)

• Creating a Decimal Number
• Initializing a Decimal Number
• Performing Arithmetic
• Rounding Off
• Accessing the Value
• Managing Behavior
• Comparing Decimal Numbers
• Getting Maximum and Minimum Possible Values

Value Transformer

• Using Name-based Registry
• Getting Information About a Transformer
• Using Transformers

XML Parser

• Initializing a Parser Object
• Managing Delegates
• Managing Parser Behavior
• Parsing
• Obtaining Parser State

Proxy

• Creating Instances
• Deallocating Instances
• Finalizing an Object
• Handling Unimplemented Methods
• Introspecting a Proxy Class
• Describing a Proxy Class or Object

Cache Delegate (Protocol)

• Responding to Object Eviction

Coding (Protocol)

• Initializing with a coder
• Encoding with a coder

Copying (Protocol)

• Copying

Decimal Number Behaviors (Protocol)

• Rounding
• Handling errors

Discardable Content (Protocol)

• Accessing Content
• Discarding Content

Error Recovery Attempting (Protocol)

• Attempting Recovery From Errors

Fast Enumeration (Protocol)

• Enumeration

File Manager Delegate (Protocol)

• Moving an Item
• Copying an Item
• Removing an Item
• Linking an Item

File Presenter (Protocol)

• Accessing File Presenter Attributes
• Relinquishing Managed Files
• Handling Changes to Files
• Responding to Version Changes
• Handling Changes to a Presented Directory

Key Value Coding  (Protocol)

• Getting Values
• Setting Values
• Changing Default Behavior
• Validation

Key Value Observing (Protocol)

• Change notification
• Registering for observation
• Notifying observers of changes
• Observing customization

Keyed Archiver Delegate (Protocol)

• Encoding Data and Objects

Keyed Unarchiver Delegate (Protocol)

• Decoding Objects
• Finishing Decoding

Locking  (Protocol)

• Working with Locks

Mach Port Delegate (Protocol)

• Handling Mach messages

Metadata Query Delegate (Protocol)

• Getting Query Results

Mutable Copying (Protocol)

• Copying

Net Service Browser Delegate (Protocol)

• Using Network Service Browsers

Object (Protocol)

• Identifying Classes
• Identifying and Comparing Objects
• Testing Object Inheritance, Behavior, and Conformance
• Describing Objects
• Sending Messages
• Identifying Proxies
• Obsolete Methods

Port Delegate (Protocol)

• Handling Port Messages

Secure Coding (Protocol)

• Checking for Secure Coding Requirement

Stream Delegate (Protocol)

• Using Streams

URL Authentication Challenge Sender (Protocol)

• Protocol Methods

URL Connection Data Delegate (Protocol)

• Handling Incoming Data
• Receiving Connection Progress
• Handling Redirects
• Overriding Caching Behavior

URL Connection Delegate (Protocol)

• Connection Authentication
• Connection Completion

URL Connection Download Delegate (Protocol)

• Managing Downloads of URL Assets

URL Protocol Client (Protocol)

• Protocol Methods

URL Session Data Delegate (Protocol)

• Delegate Methods

URL Session Delegate (Protocol)

• Delegate Methods

URL Session Download Delegate (Protocol)

• Delegate Methods

URL Session Task Delegate (Protocol)

• Delegate Methods

User Activity Delegate (Protocol)

• Handling Streams
• Managing Activity Continuation

XML Parser Delegate (Protocol)

• Handling XML
• Handling the DTD

Functions

• Assertions
• Bundles
• Byte Ordering
• Decimals
• Exception Handling
• Managing Object Allocation and Deallocation
• Interacting with the Objective-C Runtime
• Logging Output
• Managing File Paths
• Managing Ranges
• Uncaught Exception Handlers
• Core Foundation ARC Integration
• Managing Memory
• Managing Zones