Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Responder Chainを使って コードをスッキリさせたい - 第1回 HAKATA.s...
Search
ukitaka
April 16, 2018
Programming
6
1.4k
Responder Chainを使って コードをスッキリさせたい - 第1回 HAKATA.swift
https://hakata-swift.connpass.com/event/81656/
での発表です。
ukitaka
April 16, 2018
Tweet
Share
More Decks by ukitaka
See All by ukitaka
あなたの知らない「動画広告」の世界 - iOSDC Japan 2025
ukitaka
0
770
CSの生産性改善を支える分析環境 Mercari CS/CRE Tech Talk #1
ukitaka
1
2.9k
switchのexhaustiveness/redundancy チェック 理論と実装 わいわいswiftc #8 @ukitaka
ukitaka
0
210
SwiftのDemanglerを書く @ わいわいswiftc番外編
ukitaka
0
460
Swiftの型システムに入門する - iOSDC Japan 2018
ukitaka
10
7.1k
理論から入門するswift/lib/Sema - わいわいswiftc #1
ukitaka
5
1.7k
Realmの処理を再利用可能かつ合成可能にする
ukitaka
0
950
マルチスレッドRxSwift @ 社内RxSwift勉強会
ukitaka
5
1.2k
今日こそ理解するHot / Cold @社内RxSwift勉強会
ukitaka
14
2.8k
Other Decks in Programming
See All in Programming
NixOS + Kubernetesで構築する自宅サーバーのすべて
ichi_h3
0
1.2k
Range on Rails ―「多重範囲型」という新たな選択肢が、複雑ロジックを劇的にシンプルにしたワケ
rizap_tech
0
7.7k
Foundation Modelsを実装日本語学習アプリを作ってみた!
hypebeans
1
130
Amazon Verified Permissions実践入門 〜Cedar活用とAppSync導入事例/Practical Introduction to Amazon Verified Permissions
fossamagna
2
100
EMこそClaude Codeでコード調査しよう
shibayu36
0
430
Leading Effective Engineering Teams in the AI Era
addyosmani
7
640
What Spring Developers Should Know About Jakarta EE
ivargrimstad
0
500
技術的負債の正体を知って向き合う
irof
0
260
CSC305 Lecture 09
javiergs
PRO
0
310
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job
hollycummins
0
260
なんでRustの環境構築してないのにRust製のツールが動くの? / Why Do Rust-Based Tools Run Without a Rust Environment?
ssssota
14
46k
pnpm に provenance のダウングレード を検出する PR を出してみた
ryo_manba
1
160
Featured
See All Featured
Learning to Love Humans: Emotional Interface Design
aarron
274
41k
Into the Great Unknown - MozCon
thekraken
40
2.1k
4 Signs Your Business is Dying
shpigford
185
22k
What's in a price? How to price your products and services
michaelherold
246
12k
Agile that works and the tools we love
rasmusluckow
331
21k
Code Review Best Practice
trishagee
72
19k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
46
7.7k
Mobile First: as difficult as doing things right
swwweet
225
10k
Making the Leap to Tech Lead
cromwellryan
135
9.6k
How to Think Like a Performance Engineer
csswizardry
27
2.1k
Building a Scalable Design System with Sketch
lauravandoore
463
33k
The World Runs on Bad Software
bkeepers
PRO
72
11k
Transcript
Responder ChainΛͬͯ ίʔυΛεοΩϦ͍ͤͨ͞ HAKATA.swift @ukitaka
twitter: @ukitaka_ github: @ukitaka Yuki Takahashi
ࣗݾհ ❤ ؔܕϓϩάϥϛϯάɺDDD ✏ ܕγεςϜɺίϯύΠϥ ϨΠϠʔ
ࠓͷ
͍͖ͳΓͰ͕͢ɺ ͜ΜͳέʔεΛߟ͑ͯΈΔ
Cellͷதͷ ϘλϯΛλοϓͨ͠Β Alert / ActionSheetग़͍ͨ͠
None
͋Γ͕ͪ
ຯʹΊΜͲ͍͘͞ • UIAlertControllerΛग़͢ʹViewControllerͰ ॲཧΛ͢Δඞཁ͕͋Δ • CellViewControllerͳΜͯΒͳ͍ • ViewControllerCellͷϘλϯΛ(ී௨)ࢀ র͍ͯ͠ͳ͍
Α͋͘Δରॲ๏ • DelegateΛҾճ͢ • ֊͕ਂ͘ͳΕͳΔ΄Ͳਏ͍ • ViewߏͷมԽʹऑ͍
ͳΜͱ͔͍ͨ͠
ݪʹཱͪฦͬͯMVC
MVCͰͲ͏͋Δ͖ʁ
None
None
ϢʔβΞΫγϣϯͷॲཧ • MVCʹ͓͚ΔControllerͷΑ͏ͳΦϒδΣΫ τʹ௨Λͯ͠ϢʔβΞΫγϣϯड͚ͱΔͷ ͕ී௨ • MVCʹݶΒͣɺͲͷΞʔΩςΫνϟͰ͋ͬͯ ಉ͡
௨Λ͠Α͏
ཧ
௨͢ΔଆΠϝʔδ .notifyΛݺͿ͚ͩ
௨Λड͚औΔଆΠϝʔδ ͍͍ײ͡ʹDelegateͰड͚औΕΔ
DelegateΛҾճ͢ඞཁ͕ͳ͍ DelegateύλʔϯͷΑ͏ͳ Πϝʔδ
ͦ͜Ͱ Responder Chain
= UIResponderͷ࿈ͳΓ
None
UIResponder • UIReponder = ϢʔβͷೖྗΛर͑Δͭ • ͋ΔsubviewͰΠϕϯτΛर͏ͱॲཧͰ͖Δͱ ͜Ζ·Ͱ࣍ʑʹॲཧΛճ͍ͯ͘͠ • self.next
Ͱ࣍ͷResponder͕औΕΔ = Responder Chain
None
UIResponder • ResponderChain্ʹવViewController ͍Δʂ • DelegateΛҾ͖ճ͢·Ͱͳ͘ɺ͢Ͱʹͭͳ ͕͍ͬͯΔ • ͜Εʹ͔ͬΕ͍͍ײ͡ʹViewControllerʹ ʮ௨ʯͰ͖ͦ͏ʂ
ͳΜ͔͑ͦ͏
Ͳ͏Δ͔ʁ
ActionΛఆٛ͢Δ
DelegateΛఆٛ͢Δ
ViewEventΛఆٛ͢Δ ୭͕ϋϯυϧ͢Δ͔ͱɺ Ͳ͏σΟεύον͢Δ͔ΛܾΊΔɻ
ViewEventΛఆٛ͢Δ
UIResponderΛ֦ு͢Δ Responder ChainΛḷͬͯɺ ΠϕϯτΛϋϯυϧͰ͖ΔͭΛݟ͚ͭΔ
ʂ
௨͢ΔଆΠϝʔδ .notifyΛݺͿ͚ͩ
௨Λड͚औΔଆΠϝʔδ ͍͍ײ͡ʹDelegateͰड͚औΕΔ
ཧͷੈք͕࣮ݱͨ͠
ྑ͍ • DelegateΛViewͷਂ͍֊·ͰҾճ͢ඞཁ͕ ͳ͘ͳͬͨ • Viewͷ֊͕มԽͨ͠ͱͯ͠ɺίʔυͷม ߋ͕ෆཁɻViewͷมߋʹڧ͍ɻ
มΘΒͳ͍ • ͋ΔΠϕϯτΛड͚औΔͨΊͷprotocol࣮ ͠ΕΛίϯύΠϧ࣌ʹݕग़Ͱ͖ͳ͍ • ͜ΕDelegateઃఆ͠ΕͰಉ͡ • ࣮ࡍʹಈ͔͢ or ςετͰΧόʔ
RxCocoaͷԠ༻
RxCocoa + Responder Chain • RxΛ͍ͬͯͯಉ͕͡ى͜Δ • RxDataSourcesΛ͍ͬͯͯɺCellͷதͷΠ ϕϯτर͑ͳ͍ •
Responder Chainʹྲྀͯ͠͠·͓͏
ukitaka/RxResponderChain
͍ํ
ࡶʹResponder Chainʹྲྀ͢ Ϙλϯ͕λοϓ͞ΕͨΒ
ࡶʹResponder Chainʹྲྀ͢ దͳܕʹมͯ͠
ࡶʹResponder Chainʹྲྀ͢ Responder Chainʹྲྀ͢
ࡶʹVCͰड͚औΔ ViewControllerͰ ܕΛࢦఆͯ͠ड͚औΔ
গ͚࣮ͩ͠ΛΈΔ
࣮ͷཪଆ ࠇຐज़ʹΑ֤ͬͯUIResponderΦϒδΣΫτʹ PublishSubjectΛ࣋ͨͤΔ
࣮ͷཪଆ self.rx.responderChain Λੜ͢
࣮ͷཪଆ ͜ͷΦϒδΣΫτObserverType
࣮ͷཪଆ ʹEvent͕ྲྀΕ͖ͯͨΒ ResponderChainΛḷͬͯ
࣮ͷཪଆ ͖ͬ͞ੜͨ͠PublishSubjectʹ ΠϕϯτΛྲྀ͢
࣮ͷཪଆ ड͚औΔͱ͖ܕͰfilter
·ͱΊ
ResponderChain • View → ViewControllerResponder Chainܨ ͕͍ͬͯΔ • ௨ʹ͑Δ /
ָʹॻ͚Δ / มߋʹڧ͍
͓ΘΓ