什么是嗳气有何症状

10:12

Accessibility by design: An Apple Watch for everyone

19:43

Bring accessibility to charts in your app

6:20

Developer spotlight: Accessibility

17:36

Localize your SwiftUI app

16:50

Support Full Keyboard Access in your iOS app

10:26

Tailor the VoiceOver experience in your data-rich apps

36:34

The process of inclusive design

14:40

Your guide to keyboard layout

8:54

Design for Group Activities

22:13

Design great actions for Shortcuts, Siri, and Suggestions

20:09

Donate intents and expand your app’s presence

16:55

Explore Safari Web Extension improvements

16:14

Explore UWB-based car keys

26:51

Meet Shortcuts for macOS

20:59

Send communication and Time Sensitive notifications

17:49

Sync files to the cloud with FileProvider on macOS

22:09

What’s new in Game Center: Widgets, friends, and multiplayer improvements

15:30

Diagnose Power and Performance regressions in your app

21:06

Discover account-driven User Enrollment

21:50

Distribute apps in Xcode with cloud signing

15:31

Improve MDM assignment of Apps and Books

9:52

Manage devices with Apple Configurator

33:43

Manage in-app purchases on your server

18:21

Manage software updates in your organization

10:30

Meet TestFlight on Mac

22:18

Meet declarative device management

14:14

Meet in-app events on the App Store

19:09

Meet the Screen Time API

22:38

Qualities of great iPad and iPhone apps on Macs with M1

24:55

Support customers and handle refunds

34:06

The practice of inclusive design

13:25

What's new in App Analytics

18:41

What's new in Wallet and Apple Pay

14:26

What’s new in managing Apple devices

25:09

Build custom experiences with Group Activities

37:58

Coordinate media experiences with Group Activities

12:02

Coordinate media playback in Safari with Group Activities

9:03

Explore Core Image kernel improvements

34:16

Explore HDR rendering with EDR

9:28

Explore HLS variants in AVFoundation

15:19

Explore dynamic pre-rolls and mid-rolls in HLS

7:50

Explore the catalog with the Apple Music API

18:17

Immerse your app in Spatial Audio

13:02

Improve global streaming availability with HLS Content Steering

17:46

Meet MusicKit for Swift

10:33

Transition media gaplessly with HLS

16:51

What’s new in AVFoundation

15:53

Create custom audio experiences with ShazamKit

14:10

Meet ClassKit for file-based apps

10:12

Accessibility by design: An Apple Watch for everyone (ASL)

25:47

Create custom symbols

33:32

Design for Safari 15

16:32

Out of this world... on to Mars

16:00

Practice audio haptic design

15:00

Tap into virtual and physical game controllers

19:41

WWDC21 Apple Design Awards (ASL)

22:13

Build interactive tutorials using DocC

21:48

Customize your advanced Xcode Cloud workflows

29:26

Detect and diagnose memory issues

9:13

Detect bugs early with the static analyzer

9:01

Diagnose unreliable code with test repetitions

14:26

Discover and curate Swift Packages using Collections

12:34

Discover breakpoint improvements

11:49

Embrace Expected Failures in XCTest

16:35

Evaluate videos with the Advanced Video Quality Tool

9:16

Explore Digital Crown, Trackpad, and iPad pointer automation

23:49

Explore Xcode Cloud workflows

25:37

Explore advanced project configuration in Xcode

6:24

Faster and simpler notarization for Mac apps

13:51

Host and automate your DocC documentation

32:27

Optimize high-end games for Apple GPUs

37:20

Symbolication: Beyond the basics

15:27

Triage TestFlight crashes in Xcode Organizer

24:00

Ultimate application performance survival guide

24:24

Understand and eliminate hangs from your app

14:26

AR Quick Look, meet Object Capture

33:50

Apple’s privacy pillars in focus

15:19

Build a research and care app, part 1: Setup onboarding

15:55

Build a research and care app, part 2: Schedule tasks

14:16

Build a research and care app, part 3: Visualize progress

19:15

Build interfaces with style

29:36

Build light and fast App Clips

28:40

Discover Web Inspector improvements

32:44

Discoverable design

17:46

Elevate your DocC documentation in Xcode

12:47

Explore the SF Symbols 3 app

1:14

Friday@WWDC21

8:21

Get ready to optimize your App Store product page

106:49

Keynote

106:49

Keynote (ASL)

22:51

Meet DocC documentation in Xcode

17:08

Meet Group Activities

38:11

Meet Safari Web Extensions on iOS

37:30

Meet StoreKit 2

16:32

Meet Xcode Cloud

13:22

Meet the Location Button

20:08

Meet the UIKit button system

2:30

Monday@WWDC21

73:26

Platforms State of the Union

73:26

Platforms State of the Union (ASL)

26:52

Principles of great widgets

24:20

Qualities of a great Mac Catalyst app

11:16

Review code and collaborate in Xcode

27:04

Streamline your localized strings

17:29

SwiftUI on the Mac: Build the fundamentals

17:28

SwiftUI on the Mac: The finishing touches

36:16

Take your iPad apps to the next level

1:16

Thursday@WWDC21

1:40

Tuesday@WWDC21

19:41

WWDC21 Apple Design Awards

1:46

Wednesday@WWDC21

8:05

What's new in AVKit

15:48

What's new in App Clips

21:32

What's new in AppKit

26:49

What's new in CloudKit

37:35

What's new in Foundation

26:33

What's new in Mac Catalyst

40:13

What's new in SwiftUI

26:52

What's new in UIKit

19:46

What's new in watchOS 8

32:45

What‘s new in Swift

20:31

What’s new in SF Symbols

23:56

Add rich graphics to your SwiftUI app

25:55

Bring Recurring Leaderboards to your game

26:31

Capture and process ProRAW images

27:56

Create 3D models with Object Capture

14:51

Create 3D workflows with USD

29:34

Create image processing apps powered by Apple silicon

39:53

Discover Metal debugging, profiling, and asset creation tools

24:52

Discover compilation workflows in Metal

37:28

Discover geometry-aware audio with the Physical Audio Spatialization Engine (PHASE)

8:40

Discover rolling clips with ReplayKit

25:07

Dive into RealityKit 2

29:50

Enhance your app with Metal ray tracing

20:28

Explore ARKit 5

29:53

Explore advanced rendering with RealityKit 2

21:12

Explore bindless rendering in Metal

29:48

Explore hybrid rendering with Metal ray tracing

23:20

Optimize for variable refresh rate displays

10:31

Connect Bluetooth devices to Apple Watch

20:49

Measure health with motion

29:26

Meditation for fidgety skeptics

29:12

Accelerate machine learning with Metal Performance Shaders Graph

17:58

Detect people, faces, and poses using Vision

19:16

Discover built-in sound classification in SoundAnalysis

19:12

Extract document data using Vision

24:30

Tune your Core ML models

14:22

Use Accelerate to improve performance and incorporate encrypted archives

23:01

Explore Nearby Interaction with third-party accessories

16:49

Build dynamic iOS apps with the Create ML framework

14:39

Capture high-quality photos using video formats

19:57

Explore low-latency video encoding with VideoToolbox

17:58

Improve access to Photos in your app

11:34

Use the camera for keyboard input in your app

36:02

What’s new in camera capture

33:57

Analyze HTTP traffic in Instruments

18:21

Build Mail app extensions

18:24

Explore Verifiable Health Records

19:15

Mitigate fraud with App Attest and DeviceCheck

11:56

Safeguard your accounts, promotions, and content

7:56

Simplify sign in for your tvOS apps

19:51

Accelerate networking with HTTP/3 and QUIC

14:46

Adopt Quick Note

36:32

Develop advanced web content

21:44

Explore WKWebView additions

22:31

Meet privacy-preserving ad attribution

25:21

Move beyond passwords

14:32

Secure login with iCloud Keychain verification codes

26:49

Classify hand poses and actions with Create ML

18:25

Design for spatial interaction

15:07

Explore ShazamKit

20:42

ARC in Swift: Basics and beyond

27:04

Bring Core Data concurrency to Swift and SwiftUI

22:54

Discover concurrency in SwiftUI

27:54

Explore structured concurrency in Swift

14:21

Meet AsyncSequence

33:39

Meet async/await in Swift

30:30

Meet the Swift Algorithms and Collections packages

28:32

Protect mutable state with Swift actors

39:18

Swift concurrency: Behind the scenes

61:00

Swift concurrency: Update a sample app

13:40

Use async/await with URLSession

46:56

Write a DSL in Swift using result builders

19:24

Add intelligence to your widgets

54:09

Build a workout app for Apple Watch

24:35

Build apps that share data through CloudKit and Core Data

11:42

Craft search experiences in SwiftUI

23:26

Create accessible experiences for watchOS

12:12

Customize and resize sheets in UIKit

10:35

Deliver a great playback experience on tvOS

40:17

Demystify SwiftUI

11:10

Direct and reflect focus in SwiftUI

20:23

Focus on iPad keyboard navigation

22:30

Make blazing fast lists and collection views

41:04

Meet TextKit 2

10:57

SF Symbols in SwiftUI

15:06

SF Symbols in UIKit and AppKit

16:33

Showcase app data in Spotlight

28:10

SwiftUI Accessibility: Beyond the basics

17:42

Add support for Matter in your smart home app

9:34

Automate CloudKit tests with cktool and declarative schema

18:38

Create audio drivers with DriverKit

15:08

Get ready for iCloud Private Relay

7:22

Meet CloudKit Console

13:39

Optimize for 5G networks

22:51

Reduce network delays for your app

31:49

There and back again: Data transfer on Apple Watch