Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Protocols in Swift

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for Yuya Hirayama Yuya Hirayama
September 02, 2016
Technology
0
1.2k

Protocols in Swift

Avatar for Yuya Hirayama

Yuya Hirayama

September 02, 2016
Tweet

More Decks by Yuya Hirayama

See All by Yuya Hirayama
VRTと真面目に向き合う
Avatar for Yuya Hirayama hiragram
1
540
Claudeをクラウド型エージェントのように使う
Avatar for Yuya Hirayama hiragram
0
220
わいわいClaude Code アイスブレイクLT iOSDC2025 Day2 アンカンファレンス
Avatar for Yuya Hirayama hiragram
0
160
LLMエージェント時代に適応した開発フロー
Avatar for Yuya Hirayama hiragram
2
780
Deep Dive into ~/.claude/projects
Avatar for Yuya Hirayama hiragram
14
25k
iOSアプリ開発もLLMで自動運転する
Avatar for Yuya Hirayama hiragram
7
2.9k
iOSアプリの定期リリースとその自動化@potatotips#90
Avatar for Yuya Hirayama hiragram
1
490
Xcode Cloud事例紹介
Avatar for Yuya Hirayama hiragram
1
530
iOSアプリを安全にローカライズする
Avatar for Yuya Hirayama hiragram
1
490

Other Decks in Technology

See All in Technology
Agile Leadership Summit Keynote 2026
Avatar for seki at druby.org m_seki
1
120
AWS Devops Agent ~ 自動調査とSlack統合をやってみた！ ~
Avatar for Kubo kubomasataka
3
330
OCI Database Management サービス詳細
Avatar for oracle4engineer oracle4engineer
PRO
1
7.2k
顧客の言葉を、そのまま信じない勇気
Avatar for yamatai12 yamatai1212
1
270
Introduction to Bill One Development Engineer
Avatar for Sansan, Inc. sansan33
PRO
0
360
セキュリティについて学ぶ会 / 2026 01 25 Takamatsu WordPress Meetup
Avatar for Rocket Martue rocketmartue
1
270
SREが向き合う大規模リアーキテクチャ 〜信頼性とアジリティの両立〜
Avatar for Kuniaki Moriya zepprix
0
360
Kiro IDEのドキュメントを全部読んだので地味だけどちょっと嬉しい機能を紹介する
Avatar for khmoryz khmoryz
0
130
茨城の思い出を振り返る ～CDKのセキュリティを添えて～ / 20260201 Mitsutoshi Matsuo
Avatar for SHIFT EVOLVE shift_evolve
PRO
1
140
（金融庁共催）第4回金融データ活用チャレンジ勉強会資料
Avatar for tak takumimukaiyama
0
110
We Built for Predictability; The Workloads Didn’t Care
Avatar for Michael Stahnke stahnma
0
120
~Everything as Codeを諦めない~ 後からCDK
Avatar for mu7889yoon / Yuta Nakamura mu7889yoon
3
210

Featured

See All Featured
Mobile First: as difficult as doing things right
Avatar for Swwweet swwweet
225
10k
VelocityConf: Rendering Performance Case Studies
Avatar for Addy Osmani addyosmani
333
24k
Keith and Marios Guide to Fast Websites
Avatar for Keith Pitt keithpitt
413
23k
State of Search Keynote: SEO is Dead Long Live SEO
Avatar for Ryan Jones ryanjones
0
110
Avoiding the “Bad Training, Faster” Trap in the Age of AI
Avatar for Mike Taylor tmiket
0
70
Mozcon NYC 2025: Stop Losing SEO Traffic
Avatar for Sam Torres samtorres
0
130
The Psychology of Web Performance [Beyond Tellerrand 2023]
Avatar for Tammy Everts tammyeverts
49
3.3k
Building Experiences: Design Systems, User Experience, and Full Site Editing
Avatar for Michelle Schulp Hunt marktimemedia
0
400
AI in Enterprises - Java and Open Source to the Rescue
Avatar for ivargrimstad ivargrimstad
0
1.1k
For a Future-Friendly Web
Avatar for Brad Frost brad_frost
182
10k
The Spectacular Lies of Maps
Avatar for Per Axbom axbom
PRO
1
510
Practical Orchestrator
Avatar for Shlomi Noach shlominoach
191
11k

Transcript

  1. Protocols in Swift Speee Engineer Meeting 2016-08-31 @hiragram

  2. SlackͷMac༻ΞϓϦ ॏ͘ͳ͍Ͱ͔͢ʁ

  3. None
  4. None
  5. None

  6. • ͜ΜͳΞϓϦΛ࡞ͬ ͍ͯΔதͰߟ͑ͨ͜ ͱΛ͠Ό΂Γ·͢

  7. ࿩͢͜ͱ • ܧঝͭΒ͍ • Swiftͷϓϩτίϧʹ͍ͭͯ • ϓϩτίϧ͚ͩͰ݁߹ͨ͠ੈք • ϓϩτίϧ֦ு

  8. ܧঝͭΒ͍ • Apple੡ͷϑϨʔϜϫʔΫ ͸ܧঝࡇΓ • શͯͷΫϥε͸NSObject ͷαϒΫϥε • ʮ͋ͷϝιουͬͯͲ͜ʹ ࣮૷͞Ε͚ͯͨͬʁʯ

  9. ܧঝͭΒ͍ • UIViewControllerͷloadViewϝιου • ʮInterfaceBuilder࢖͏ͳΒΦʔόʔϥΠυ͠ ͪΌμϝʯ

  10. ܧঝͭΒ͍ • KVO(Ωʔ஋؂ࢹ)Ͱ࢖͏observeValueForKeyPathϝιου • ʮ਌ΫϥεͷΛݺͿͱ͖͸ͪΌΜͱ࣮૷͞ΕͯΔ͔͔֬Ίͯ Ͷʯ

  11. ͳʹͦΕ͸

  12. ϓϩτίϧࢦ޲ϓϩάϥϛϯά • ෳ਺Ϋϥεʹ·͕ͨͬͯ͋Δੑ࣭/ػೳΛ͍࣋ͨͤͨ ͱ͖͸ɺܧঝʹΑͬͯͰ͸ͳ͘ɺϓϩτίϧʹΑͬͯ ࣮ݱ͠·͠ΐ͏ɻ(BaseViewControllerͱ͔ͭΒ͍) • ܧঝ͸Ұͭͷ਌͔࣋ͯ͠ͳ͍͕ɺϓϩτίϧͳΒෳ਺ ࣋ͯͯ͏Ε͍͠ɻ • ෳ਺࣋ͯΔ͕ɺෳ਺ͷϓϩτίϧͰ໊લ͕িಥ͢Δ

    ͱશͯʹద߹Ͱ͖͍ͯͳ͍ͱ͍͏͜ͱͰίϯύΠϧ ௨Βͳ͍ɻ͜Ε͸ෆՄආɻ

  13. Swiftͷϓϩτίϧ • Property / Method Requirements • ࣮૷Λڧ੍͢Δ • Associatedtype

    • ϓϩτίϧ಺Ͱར༻͢Δɺؔ࿈͢Δܕ • Protocol Extension • ޙड़

  14. ม਺ͷܕΛϓϩτίϧͰଋറ͢Δ

  15. ม਺ͷܕΛϓϩτίϧͰଋറ͢Δ • a͸ʮAwesomeProtocolʹ४ڌͯ͠ΔܕͷΦϒ δΣΫτ͸ԿͰ΋ಥͬࠐΊΔʯ • b͸ʮAwesomeProtocolʹ४ڌ͍ͯ͠Δͻͱͭͷ ܕͷΦϒδΣΫτ͚ͩಥͬࠐΊΔʯ • ܕਪ࿦ͷ͓͔͛ͰδΣωϦΫεͱͯ΋࢖͍΍͍͢

  16. ࣗ࡞SlackΞϓϦͰ΍ͬͯΔ͜ͱ • ςʔϒϧʹදࣔ͢ΔϝοηʔδͷܕΛ௚઀ࢦఆ͠ ͍͕ͯͨɺϑΟʔυʹදࣔ͢ΔΠϕϯτ༻ͷϓϩ τίϧΛ࡞ͬͨ → ϝοηʔδҎ֎ͷΠϕϯτ΋ ؆୯ʹදࣔͰ͖ΔΑ͏ʹͳͬͨ

  17. ௚઀ܕʹ݁߹ͨ͠ੈք 7JFX$POUSPMMFS .FTTBHF&OUJUZ

  18. ௚઀ܕʹ݁߹ͨ͠ੈք 7JFX$POUSPMMFS ❗

  19. ਌Ϋϥεʹ݁߹ͨ͠ੈք 7JFX$POUSPMMFS ͳΜͨΒ .FTTBHF&OUJUZ

  20. ਌Ϋϥεʹ݁߹ͨ͠ੈք 7JFX$POUSPMMFS ❗ ͳΜͨΒ .FTTBHF&OUJUZ

  21. ϓϩτίϧ͚ͩͰ݁߹ͨ͠ੈք 7JFX$POUSPMMFS .FTTBHF&OUJUZ "XFTPNF1SPUPDPM

  22. ϓϩτίϧ͚ͩͰ݁߹ͨ͠ੈք 7JFX$POUSPMMFS "XFTPNF1SPUPDPM

  23. ϓϩτίϧ͚ͩͰ݁߹ͨ͠ੈք 7JFX$POUSPMMFS "XFTPNF1SPUPDPM ผͷ&OUJUZ

  24. ϓϩτίϧ͚ͩͰ݁߹ͨ͠ੈք ͷ޾ͤͳͱ͜Ζ • ݺͼग़͠ଆ(͖ͬ͞ͷྫͰ͸ViewController)͕஌ͬ ͍ͯΔϝιου͕ݶఆ͞ΕΔ • ʮ͜ͷϝιου௚ͦ͏ͱࢥ͚ͬͨͲɺ૝ఆ֎ͷॴ͔ Βݺ͹Εͯͯม͑ΒΕͳ͍ʯΛ(͋Δఔ౓)ճආͰ͖ Δ •

    ϓϩτίϧʹద߹͍ͯ͑͠͞Ε͹͍͍ͷͰɺଞͷܕ ͱೖΕସ͑ͨΓ৽͘͠௥Ճͨ͠Γ͢Δͷָ͕͍͢͝

  25. ϓϩτίϧ͚ͩͰ݁߹ͨ͠ੈք ͷͭΒ͍ͱ͜Ζ • ܕΛࢦఆͯ͠ಈ͘ͱ͖ΑΓϓϩτίϧ͔ΒΠϯελ ϯεʹΞΫηε͢Δͱ͖ॲཧ͕஗͍ • Xcodeͷʮఆٛ΁δϟϯϓʯ͕ͪΐͬͱෆศʹͳΔ • ϓϩτίϧ͕ཚཱͯ͘͠Δͱ໊લͱ͔ͪΌΜͱ෇͚ ͓͔ͯͳ͍ͱޙͰۤͦ͠͏ʁ

    • delegateͷதͰ͞Βʹdelegateͱ͔΍ͬͯΔͱΧ Φε

  26. ϓϩτίϧ֦ு • Swift2͔Β௥Ճ͞Εͨϓϩτίϧ֦ு(Protocol Extension) • ࣮૷Λڧ੍͢ΔProtocolʹରͯ͠ɺσϑΥϧτ ͷ࣮૷ΛఆٛͰ͖Δɻ

  27. femitΞϓϦʹ Ұॠ͋ͬͨίʔυ

  28. None

  29. ϓϩτίϧ֦ுΛ࢖͏ͱ • σϑΥϧτ࣮૷͚ͩͰ͍͍࣌͸ɺܕͷఆٛʹϓ ϩτίϧ໊Λॻ͖଍͚ͩ͢Ͱͦͷϓϩτίϧʹ ద߹Ͱ͖Δɻָɻ • ͋Δಛఆͷܕʹରͯ͠ϓϩτίϧ੍໿Λ͚ͭΔ ͱ͖͚ͩར༻ՄೳͳσϑΥϧτ࣮૷ΛఆٛͰ͖ Δ

  30. ·ͱΊ • ݺͼग़͠ݩ͔Βݟ͑Δൣғ͕ݶఆͰ͖Δͷྑ͍ • δΣωϦΫε+ܕਪ࿦ͰΧνοͱ͍͔ͯͯͭ͠ίʔ υ͸ॻ͖΍͍͢ • ܧঝͭΒ͍ • ࢀরܕͭΒ͍ͱ͍͏จ຺ͱ߹ΘͤͯΫϥεͰ͸ͳ

    ͘஋ܕͰܧঝͰ͖ͳ͍ߏ଄ମΛ࢖͓͏ͥΈ͍ͨͳ ෩ை͕͋Δ

  31. ͓ΘΓ