Skip Navigation

Global Nav Open Menu Global Nav Close Menu
Apple Developer

Search Developer

Apple Developer
Discover
Design
Develop
Distribute
Support
Account

Open Menu Close Menu

API Changes:Show

Apple Developer Documentation

Browse the latest developer documentation including API reference, articles, and sample code.

App Frameworks

AppKit
Bundle ResourcesBeta
Foundation
Swift
SwiftUIBeta
TVML
TVMLKit
TVMLKit JS
TVUIKit
UIKit
WatchKit

Graphics and Games

AGL
ARKit
ColorSync
Core Animation
Core Graphics
Core Image
Game Controller
GameKit
GameplayKit
GLKit
Image I/O
Metal
Metal Performance Shaders
MetalKit
Model I/O
OpenGL ES
PDFKit
PencilKitBeta
Quartz
RealityKitBeta
ReplayKit
SceneKit
SpriteKit
Vision

App Services

Media

Apple News
AssetsLibrary
AudioToolbox
AudioUnit
AVFoundation
AVKit
Core Audio
Core Audio Kit
Core Audio TypesBeta
Core HapticsBeta
Core Media
Core MIDI
Core Video
FxPlug
HTTP Live Streaming
iTunesLibrary
Media Player
MediaAccessibility
MediaLibrary
PhotoKit
Professional Video Applications
QTKit
ScreenSaver
SoundAnalysisBeta
VideoToolbox
VisionKitBeta

Web

App Store Connect API
Apple Music API
Apple Pay on the Web
CloudKit JS
LinkPresentationBeta
LivePhotosKit JS
MapKit JS
Maps Web SnapshotsBeta
MusicKit JS
Safari Extensions JS
Sign in with Apple JS
Sign in with Apple REST API
WebKit JS

Developer Tools

Automator
Code Diagnostics
InstallerJS
Playground Support
PlaygroundBluetooth
ScriptingBridge
Swift Packages
Swift Playgrounds
Xcode
XcodeKit
XCTest

System

Release Notes

iOS & iPadOS Release Notes
macOS Release Notes
Safari Release Notes
tvOS Release Notes
watchOS Release Notes
Xcode Release Notes

Resources

Human Interface Guidelines
Documentation Archive
Videos

Developer

Documentation

Discover

macOS
iOS
watchOS
tvOS
Safari and Web
Games
Business
Education
WWDC

Design

Human Interface Guidelines
Resources
Videos
Apple Design Awards
Accessibility
Internationalization
Accessories

Develop

Xcode
Swift
Swift Playgrounds
TestFlight
Documentation
Videos
Downloads

Distribute

Developer Program
App Store
App Review
Mac Software
Apps for Business
Safari Extensions
Marketing Resources
Trademark Licensing

Support

Developer Forums
Bug Reporting
License Agreements
System Status
Contact Us

Account

Certificates, IDs & Profiles
App Store Connect

To receive the latest developer news, visit and subscribe to our News and Updates.

Copyright © 2019 Apple Inc. All rights reserved.

Terms of Use Privacy Policy Report Bugs Feedback

简体中文日本語 한국어