Yahoo JP LT １・ヤフーフリマアプリ起動速度改善

改善点 ・ローカル cache ・API ロード時間測定、bottle neck 明確 ・リンク時間最適化 dynamic -> static framework にする：起動時間 1.2 秒ー＞１秒　ー> -0.2秒

ツール ・Xcode Organizer でMetrics 確認 ・パフォーマンス測定：OS Signpost iOS 12 から使える

確認 ・起動速度測定し、遅くなる場合なら、slack に送信 ・CI ツールで、起動速度をMR(コミット？)ごとに計算しているらしい、chart に表示されている

２・iOS 12サポートをやめると使えるAPIおさらい ・配列の差分更新 uitableviewdiffabledatasource ・UICollectionView モダンレイアウト：UICollectionViewCompositionLayout ・Reactive programing: Combine Framework (Apple から提供された RxSwift w) ・SwiftUI: コンポーネント志向 SwiftUIReplicator(?)

WWDC 2021 — June 7 | Apple

• FaceTime: Spatial audio, video call voice effect, voice wide spectrum
• Movie/music share play. share play + air play
• iMessage improvement about display & react with images, sharing
• Notification Summary: based on priority, time, user interaction with apps
• New mode: do not disturb > focus(customizable) > normal
• Photo:
  • Built-in Hand writing recognition
  • Apple music to use with slide creation
• Use iphone as Key for car, home, ...
• Weather UI Updates
• Apple Maps: privacy focus -> >< Google, lol, more details, street recognition

Developer betas today. Public betas next month.

• new widgets, app library
• Multitasking: menu on top, split view between apps, app shelf
• QuickNote: iPadOS, MacOS
• Translate with image recognition
• Swift Playground, Build app with iPad

• Mail privacy protection, hide ip address, location, hide if you open email

• Safari: prevent xss

• New App privacy report section control

• Siri: 600M devices/month, request without internet connection, on device request recognition iCloud

• Add recovery contact

• Digital legacy: sharing information after you die

• iCloud+ Private relay

• Hide my email

• Homekit secure video

• health API

  • CareKit
  • ResearchKit

• Mobility:

  • walking steadiness
  • Labs
    • Data: like LDL Cholesterol ?
  • Trends

• Sharing health condition like heart rate with doctors securely. Apple doesn't have access.

• Family: Health sharing between family members, need permission WatchOS

• Breath: meiso?🙂, while sleeping

• Workout

• Photo app on WatchOS

• HomePod
• HomeKit

• macOS Monterey
• Universal Control
• AirPlay: to mac
• Shortcuts
• Safari new tab design
• Web extension safari

• API
  • AR: Object capture to create 3D content from 2D image
• Swift
  • Concurrency: async, await, actor
• AppStore
  • In-App Events
• Xcode Cloud + TestFlight
  • CI/CD tool to build, test, delivery