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
RxSwiftと愉快な仲間たち / RxSwift with Units
Search
Mihyaeru
May 20, 2016
Technology
4
2.6k
RxSwiftと愉快な仲間たち / RxSwift with Units
Gotanda.mobile #1 on 2016/05/20
Mihyaeru
May 20, 2016
Tweet
Share
More Decks by Mihyaeru
See All by Mihyaeru
会計 freee バックエンドの今後 / freee backend api
mihyaeru21
8
23k
Railsで実装されている機能のマイクロサービスへの切り離し / split to microservices from rails
mihyaeru21
1
730
WebエンジニアのためのMySQLデータ構造基礎(再) / mysql data structure for web developer 2
mihyaeru21
0
240
WebエンジニアのためのMySQLデータ構造基礎 / mysql data structure for web developer
mihyaeru21
1
620
WebエンジニアのためのMySQL入門 / learning mysql for web developer
mihyaeru21
7
2.5k
入門ReactiveX / about ReactiveX
mihyaeru21
3
410
RxSwiftでTwitterの ライブラリを作ってる話 / RxTwift
mihyaeru21
4
700
CrystalでTwitter botを作ってみた / Create a Twitter bot in Crystal
mihyaeru21
0
1.3k
Gotanda.pm #1
mihyaeru21
1
150
Other Decks in Technology
See All in Technology
運用改善、不都合な真実 / 20240722-ssmjp-kaizen
opelab
17
8k
ギークの理想が7つ集まるエムスリーで夢を叶えよう - エムスリー株式会社
m3_engineering
1
260
AIアシスタントの活用で品質の向上と開発ワークフローのスピードアップ
nagix
1
200
AIエージェントを現場に導入する目線とは
masahiro_nishimi
1
1.5k
AWS IAMのアンチパターン/AWSが考える最低権限実現へのアプローチ概略(JAWS-UG朝会#59資料改修20分版)
htan
0
330
AOAI Dev Day LLMシステム開発 Tips集
hirosatogamo
15
3.7k
テストケースの自動生成に生成AIの導入を試みた話と生成AIによる今後の期待
shift_evolve
0
180
シフトレフトで挑む セキュリティの生産性向上
sekido
PRO
0
270
OSSコミットしてZennの課題を解決した話
dyoshikawa1993
0
150
初中級者用如何使用backlog -VALE TUDOEDITION-
in0u
0
140
コンテナ・K8s研修 - 後半 Kubernetes 基礎&ハンズオン【MIXI 24新卒技術研修】
mixi_engineers
PRO
1
120
Azure Pipelinesを使用したCICDベースラインアーキテクチャ実践
yuriemori
0
190
Featured
See All Featured
Creatively Recalculating Your Daily Design Routine
revolveconf
214
11k
Agile that works and the tools we love
rasmusluckow
325
20k
Building Better People: How to give real-time feedback that sticks.
wjessup
357
18k
Teambox: Starting and Learning
jrom
130
8.6k
What's new in Ruby 2.0
geeforr
338
31k
Practical Orchestrator
shlominoach
185
10k
The Straight Up "How To Draw Better" Workshop
denniskardys
229
130k
Writing Fast Ruby
sferik
623
60k
A Modern Web Designer's Workflow
chriscoyier
689
190k
Code Review Best Practice
trishagee
58
16k
Product Roadmaps are Hard
iamctodd
PRO
48
10k
Optimising Largest Contentful Paint
csswizardry
18
2.6k
Transcript
RxSwiftͱ༇շͳؒͨͪ Gotanda.mobile #1 in Mobile Factory on 2016/05/20 ϛώϟΤϧ@mihyaeru21
͓·͑୭Α • ϛώϟΤϧ @mihyaeru21 • ࠷ۙͷݴޠɿSwift/Kotlin/Perl • ·ͩ·ͩϋϯλʔ • ϞφυΛཧղ͍ͨ͠
RxSwit
Unit
Unit • Driver • Variable • ControlEvent/ControlProperty
Unit • RxCocoa͕ఏڙ͢Δศར͘Μ • ཧͱ͔ͷ୯Ґͱͯ͠ͷUnitʹ͔͚͍ͯΔΒ͍͠ ※RxCocoaʹؚ·ΕΔͱެࣜυΩϡϝϯτʹ͋Δ͚ͲVariableRxSwiftʹؚ·ΕΔ
Driver
Driver • Τϥʔ͕ྲྀΕͳ͍ • observe on ϝΠϯεϨου • share͞ΕΔ •
(ਖ਼֬ʹ shareReplayLatestWhileConnected )
Driver • ϞσϧͱUIͷؒʹೖͬͨΓ • UIͱUIΛܨ͍ͩΓ • ϋʔυΣΞͷυϥΠόιϑτΣΞతͳͱ͜Ζ͔Β ໊͚ΒΕͨ
Driver fetchUser() .map { $0.name } .observeOn(MainScheduler.instance) .bindTo(label.rx_text)
Driver fetchUser() .map { $0.name } .observeOn(MainScheduler.instance) .bindTo(label.rx_text) όοΫάϥϯυͰσʔλΛऔͬͯ͘Δ UIͷߋ৽ϝΠϯεϨουඞਢ
ϥϕϧͷςΩετʹόΠϯυ͢Δ
Driver fetchUser() .map { $0.name } .asDriver(onErrorJustReturn: "") .drive(label.rx_text)
Driver fetchUser() .map { $0.name } .asDriver(onErrorJustReturn: "") .drive(label.rx_text) Driverʹม
ϥϕϧͷςΩετʹόΠϯυ͢Δ
Driver let userName = fetchUser() .map { $0.name } .observeOn(MainScheduler.instance)
userName.bindTo(label.rx_text) userName.bindTo(otherLabel.rx_text)
Driver let userName = fetchUser() .map { $0.name } .observeOn(MainScheduler.instance)
.share() userName.bindTo(label.rx_text) userName.bindTo(otherLabel.rx_text) share()͠ͳ͍ͱ2ճൃՐ͢Δ
Driver let userName = fetchUser() .map { $0.name } .asDriver(onErrorJustReturn:
"") userName.drive(label.rx_text) userName.drive(otherLabel.rx_text)
Driver let userName = fetchUser() .map { $0.name } .asDriver(onErrorJustReturn:
"") userName.drive(label.rx_text) userName.drive(otherLabel.rx_text) share()తͳ͜ͱΛ͍ͯ͠Δ͔ΒൃՐ1ճͷΈ
Driver • ʮͦΕɺObservableͰͰ͖ͯΔ͡ΌΜʯ • ͍
Driver • UIͱܨ͙ҙਤΛ໌֬ʹ͢Δ • ҆શΛߴΊΔ • DriverʹมޙobserveεϨουͷมߋͰ͖ͳ͍ • share()ͯ͘͠ΕΔ
Variable
Variable • Τϥʔ͕ྲྀΕͳ͍ • share͞ΕΔ
Variable • BehaviorSubjectͷWrapper • valueϓϩύςΟΛ௨ͯ͠࠷৽ͷʹΞΫηεͰ͖Δ • valueϓϩύςΟͷೖon(.Next)ͱͯ͠ྲྀΕΔ • ObservableʹͳΔ͚ͲObserverʹͳΒͳ͍ •
Λྲྀͨ͢ΊʹvalueΛඞͣܦ༝͢Δ
Variable let variable = Variable(0) variable .asDriver() .map { "value:
\($0)" } .drive(label.rx_text) variable.value = 99 print("variable.value = \(variable.value)")
Variable let variable = Variable(0) variable .asDriver() .map { "value:
\($0)" } .drive(label.rx_text) variable.value = 99 print("variable.value = \(variable.value)") label.text͕”value: 99”ʹͳΔ VariableΤϥʔΛྲྀ͞ͳ͍͔Β Ҿແ͠൛ͷasDriver()͕͋Δ ಉظతʹΛऔಘͰ͖Δ
ControlEvent ControlProperty
ControlEvent/ControlProperty • Τϥʔ͕ྲྀΕͳ͍ • subscribe on ϝΠϯεϨου • observe on
ϝΠϯεϨου • share͞ΕΔ
ControlEvent/ControlProperty • UIύʔπͷΠϕϯτΛRxͱͭͳ͗ࠐΈ͘͢ • ControlEvent • Observable • ControlProperty •
Observable / Observer • Observer͋Δ
ControlEvent/ControlProperty textField.rx_text .asDriver() .drive(label.rx_text) ControlProperty Observer ControlPropertyΤϥʔΛྲྀ͞ͳ͍͔Β Ҿແ͠൛ͷasDriver()͕͋Δ
ControlEvent/ControlProperty textField.rx_text .bindTo(label.rx_text) ControlPropertyͷΠϕϯτϝΠϯεϨουͰྲྀΕΔ
ControlEvent/ControlProperty button.rx_tap .asDriver() .map { "tapped!" } .drive(textField.rx_text) ControlEventΤϥʔΛྲྀ͞ͳ͍͔Β Ҿແ͠൛ͷasDriver()͕͋Δ
ControlEvent ControlProperty
ControlEvent/ControlProperty • Cocoaͷ͍ΖΜͳͭʹ rx_* ͕ੜ͍͑ͯͯΖ͍Ζศར • https://github.com/ReactiveX/RxSwift/blob/master/ Documentation/API.md
ಥͳ·ͱΊ • ศརػೳͨͪ • Driver • Variable • ControlEvent/ControlProperty •
ͳͯ͘ࢮͳͳ͍͚Ͳ͋Δͱຯʹศར • ຯʹͬͯ͜