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WWDC22 Day 1 recap

WWDC22 Day 1 recap

WWDC 2022KeynoteRecap
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Highlight

On the first day of WWDC22, core content such as iOS 16 lock screen customization, M2 chip, macOS Ventura front-end scheduling, Metal 3, WeatherKit, Swift Regex and Xcode Cloud were fully opened.

Core Content

iOS 16: Lock screen redefined

The biggest change in iOS 16 is the lock screen. Users can choose fonts, colors, and widgets to personalize the iPhone lock screen. This is the most personalized upgrade to the iPhone.

Focus (focus mode) has also been upgraded to support Personal Focus, helping users establish boundaries between work and life. The Messages App supports editing and recalling sent messages, SharePlay is integrated into Messages, and you can watch movies while chatting.

In terms of photos, iOS 16 introduces the touch cutout function: long press the subject in the picture, the system will automatically separate the background and share it directly. iCloud Shared Gallery makes sharing photos between family members even easier. (00:12)

macOS Ventura: Front desk scheduling

The new version of macOS is called Ventura. The core new feature is Stage Manager (stage scheduling), and the window management method has changed. The currently used window is placed in the center of the screen, and thumbnails of other windows are arranged on the left. Click to switch.

Spotlight has enhanced image search capabilities. Email supports scheduled sending and recall sending. Continuity Camera allows users to use iPhone as a Mac webcam, supporting effects such as character centering and studio lighting. (01:35)

iPadOS 16: Support for multi-window overlap for the first time

iPadOS 16 supports multi-window overlapping display for the first time, and also introduces Stage Manager. Collaboration capabilities are enhanced across apps and devices, with a new app for real-time collaboration launching later this year. (01:59)

M2 Chip and New Macs

The M2 chip was officially released, using the second-generation 5nm process. The new MacBook Air with M2 features a new exterior design that is thinner and lighter. The 13-inch MacBook Pro has also been updated with an M2 version. (01:19)

Developer technical updates

Core updates at the developer level include: (02:15)

  • WeatherKit: Developers can access Apple’s weather data
  • Metal 3: Game development capabilities have been greatly improved
  • SwiftUI: new API that is more powerful and flexible
  • Swift Charts: a new charting framework
  • Swift Regex: Regular expressions are officially added to the standard library
  • Xcode Cloud: Open to all developers

New Apple Watch Features

Apple Watch adds new training views such as heart rate zones and supports medication reminders. New watch faces include Astronomy, Lunar, Playtime, Metropolitan, and Buddy. (00:59)

Other updates

  • Maps supports route planning with up to 15 waypoints
  • Preview of next-generation CarPlay, deeply integrated with vehicle dashboard
  • Apple Design Awards reveal 12 winners

Detailed Content

Technical lines that developers should pay attention to

Day 1 releases can be categorized by priority:

Get started now:

  • Swift Regex: String handling no longer requires NSRegularExpression
  • Swift Charts: There is a native solution for data visualization
  • WeatherKit: direct call to weather data API

Continue to pay attention:

  • Metal 3: Performance improvements for gaming and graphics applications
  • SwiftUI new API: more complete layout system
  • Xcode 14: Compilation speed improved, new feature support

Long-term planning:

  • Passkeys: a new authentication method to replace passwords
  • Managed Device Attestation: Device security verification

Platform adaptation suggestions

The lock screen widget in iOS 16 is a new user touch point, and apps should consider providing lock screen widgets. macOS Ventura’s front-end scheduling changes window management habits, and Mac Apps need to test their performance in this mode. iPadOS 16’s multi-window support means iPad Apps need to rethink their window management logic.

Core Takeaways

  • Lock Screen Widget App: The lock screen widget for iOS 16 is a new user touch point. A fitness app can show real-time heart rate, a weather app shows the current temperature, and a to-do app shows the next task. The entry API isWidgetKitLock screen widget configuration.

  • WeatherKit Weather Application: Use Apple’s official weather data to build an exquisite weather application without having to maintain your own weather data sources. Can be combined with Swift Charts to display temperature trend graphs. The entry API isWeatherKitframe andChart。

  • Swift Regex text processing tool: Use Swift Regex to build tools for log analysis, text extraction, format verification, etc. Regular expressions are now native Swift syntax, type safe and more readable. The entry API isRegexandRegexBuilder。

  • Continuity Camera Creative Application: Use the features of iPhone as a Mac camera to develop Mac applications that require high-quality video input, such as live broadcast tools, scanning applications, and AR preview tools. The entry API isAVFoundationAutomatic integration with Continuity Camera.

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