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
MVVM for iOS
Search
laiso
March 12, 2014
Technology
4
2.2k
MVVM for iOS
iOSアプリケーションの開発にMVVMアーキテクチャの考えを持ち込んで設計を見直そうという話をしました
laiso
March 12, 2014
Tweet
Share
More Decks by laiso
See All by laiso
Firebaseを使った成長するモバイルアプリのための高速なプロダクト開発 / Rapid Mobile Application Development using #Firebase
laiso
4
4.9k
iOSエンジニアが知るべきProgressive Web Apps開発のエッセンス / PWA Essentials for iOS Developer - iOSDC 2018
laiso
6
4.2k
Service Workersを使ったウェブアプリのアーキテクチャ / Web App Architecture on Service Workers
laiso
3
2.1k
React Native vs iOS エンジニア - iOSDC 2017
laiso
2
780
Objective-C Toolchain in 2017
laiso
0
1.5k
Quickで体験するテストの構造化
laiso
2
2.9k
Apple Pay in 5 minutes
laiso
0
170
Apple Pay In The Real World
laiso
0
150
スタートアップの人材獲得戦略
laiso
2
11k
Other Decks in Technology
See All in Technology
[Codex Meetup Japan #1] Codex-Powered Mobile Apps Development
korodroid
2
1k
Codexとも仲良く。CodeRabbit CLIの紹介
moongift
PRO
1
260
Oracle Base Database Service 技術詳細
oracle4engineer
PRO
12
81k
ソフトウェアエンジニアの生成AI活用と、これから
lycorptech_jp
PRO
0
590
サイバーエージェント流クラウドコスト削減施策「みんなで金塊堀太郎」
kurochan
4
2.1k
大規模サーバーレスAPIの堅牢性・信頼性設計 〜AWSのベストプラクティスから始まる現実的制約との向き合い方〜
maimyyym
10
5k
AI時代こそ求められる設計力- AWSクラウドデザインパターン3選で信頼性と拡張性を高める-
kenichirokimura
3
350
OpenTelemetry が拡げる Gemini CLI の可観測性
phaya72
2
680
OAuthからOIDCへ ― 認可の仕組みが認証に拡張されるまで
yamatai1212
0
140
Introduction to Sansan for Engineers / エンジニア向け会社紹介
sansan33
PRO
5
43k
Copilot Studio ハンズオン - 生成オーケストレーションモード
tomoyasasakimskk
0
150
OSSで50の競合と戦うためにやったこと
yamadashy
2
280
Featured
See All Featured
Statistics for Hackers
jakevdp
799
220k
Java REST API Framework Comparison - PWX 2021
mraible
34
8.9k
Building Applications with DynamoDB
mza
96
6.7k
Building an army of robots
kneath
306
46k
Facilitating Awesome Meetings
lara
56
6.6k
Documentation Writing (for coders)
carmenintech
75
5.1k
RailsConf 2023
tenderlove
30
1.3k
Why You Should Never Use an ORM
jnunemaker
PRO
59
9.6k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
52
5.6k
How GitHub (no longer) Works
holman
315
140k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
46
2.5k
Optimizing for Happiness
mojombo
379
70k
Transcript
MVVM for iOS MVVM for iOS @laiso @laiso 03/12/2014 03/12/2014
potatotips#5(at COOKPAD) potatotips#5(at COOKPAD)
laiso is NOT laiso is NOT ແ৬ ແ৬ http://lai.so/
ΤϯλʔϓϥΠζ ΤϯλʔϓϥΠζObjective-C Objective-C ͷੈքͱ ͷੈքͱ
มߋ͕πϥ͍ มߋ͕πϥ͍iOS iOSΞϓϦέʔ ΞϓϦέʔ γϣϯ γϣϯ Fat & Massive ViewController
God object, Singleton UI testing is very hard
มߋʹཱ͔ͪ͏ มߋʹཱ͔ͪ͏iOS iOSΞϓϦ ΞϓϦ έʔγϣϯ έʔγϣϯ OSΞοϓσʔτʹΑΓΫϥΠΞϯτͷڥ͕ͲΜͲΜߋ ৽͞ΕͯΏ͘ ϢʔβʔαΠυͰಈ͘ͿΜݖݶӨڹ͕େ͖͘มߋʹϦε Ϋ͕͋Δ(࣭ཁٻ͕ߴ͍)
ωΠςΟϒUIͷมߋHTML+JavaScriptͳͲΑΓॏ͘ͳΓ ͕ͪ
ઃܭվળ ઃܭվળ ίʔυΛཧղ͍ͨ͘͢͠͠ ςετΛॻ͖͍ͨ͘͢͠ มߋʹڧ͘ͳΓɺߴʹ։ൃ͍ͨ͠
MVVM MVVM (Model View ViewModel) (Model View ViewModel)
MVVM MVVM Windows / .NET WPF Silverlight JavaScript Framework AngularJS
KnockoutJS
MVC MVC MVVM MVVM
Cocoa vs MVVM Cocoa vs MVVM ϓϥοτϑΥʔϜຖʹMVCͷߟ͑ํҧ͏ (Rails,Cocoa,Smalltalk) Controller !=
ViewController MVVM View == View+ViewController
ViewController ViewController Ϗϡʔͷίϯτϩʔϥʔ ΞϓϦέʔγϣϯ/Ϟδϡʔϧ"ͷ"ίϯτϩʔϥʔͰͳ ͍ ରͷϏϡʔΛอ໋࣋ͯ͠ྩ͢Δ
ViewModel ViewModel View-ModelɻϏϡʔͷͨΊͷϞσϧ σʔλόΠϯσΟϯάͷΈͰσʔλΛϏϡʔͱଓ Ϗϡʔͳ͠ͰΠϯλʔϑΣΠεΛૢ࡞Ͱ͖Δ
MVVM MVVMͷத৺ͱͳΔߟ͑ํ ͷத৺ͱͳΔߟ͑ํ એݴతͳViewςϯϓϨʔτ σʔλόΠϯσΟϯά
Storyboard(IB) Storyboard(IB) એݴతͳViewςϯϓϨʔτ Storyboard != View தΞοϓϧͷಠࣗن֨ͷXMLςΩετϑΝΠϧ Xcode͕GUIσβΠϯπʔϧͱͯ͠ղऍ͢Δɻ ຊϏϡʔΛએݴͯ͠ΠϕϯτΛଓ͢Δ͜ͱ ʮUIύʔπΛը໘ʹදࣔͤ͞ΔͨΊͷπʔϧʯҎ্ͷ
ҙຯ߹͍͕͋Δ
σʔλόΠϯσΟϯά σʔλόΠϯσΟϯά = Co‐ = Co‐ coa coaόΠϯσΟϯά όΠϯσΟϯά? ?
Mac OS X͚ͷσʔλόΠϯσΟϯάػߏ iOSʹདྷͯͳ͍ see "Cocoa Bindings Programming Topics" http://news.mynavi.jp/special/2005/cocoamvc/menu.html
σʔλόΠϯσΟϯά σʔλόΠϯσΟϯά = Re‐ = Re‐ activeCocoa activeCocoa https://github.com/ReactiveCocoa/ReactiveCocoa
ReactiveCocoa ReactiveCocoa Mac/iOSͰϦΞΫςΟϒϓϩάϥϛϯάΛ࣮ݱ͢Δҝͷϥ ΠϒϥϦ ؔܕϓϩάϥϛϯά෩ͷݴޠDSL
ReactiveCocoa ReactiveCocoaͱ ͱGitHub GitHub GitHubࣾͷਓୡΛϝΠϯʹ։ൃ͞Ε͍ͯΔ GitHub͕Windows൛ΞϓϦέʔγϣϯΛ։ൃ͠ग़ͨ͋͠ ͨΓ͔Β׆ൃʹ GitHubʹC#/.NETܥͷ࣮ྗऀ͕͍ΔɻXamarin/Mono ͬͯΔͦ͏ GitHubͷMacΞϓϦReactiveCocoaΛͬͯMVVMΛ࣮
ݱ͍ͯ͠Δ
ReactiveCocoa ReactiveCocoa มߋΛγάφϧͱ͍͏ΦϒδΣΫτͰදݱͰ͖ΔͷͰɺ ViewModelViewͷৄࡉΛΔඞཁ͕ͳ͍ ViewModelΛରʹςετ͕ॻ͚Δ
RVMViewModel RVMViewModel ReactiveCocoa/ReactiveViewModel ಛఆͷγάφϧͷΠϯλʔϑΣΠεΛఆٛͨ͠ϕʔεΫϥ ε ViewModelͰܧঝͯ͠͏
ViewModel ViewModelΛࠐΉ ΛࠐΉ ViewControllerͷॳظԽ࣌ʹ // TipsListViewController - (id)init { //
... self.viewModel = [[TipsListViewModel alloc] init]; return self; }
ViewModel ViewModelΛࠐΉ ΛࠐΉ StoryboardͷγʔέϯεͰInject // TipsListViewController - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{ if ([[segue identifier] isEqualToString:@"showDetail"]) { NSIndexPath *indexPath = [self.tableView indexPathForSelectedRow]; TipsDetailViewController *viewController = segue.destinationViewController; // ભҠઌͷViewModelΛॳظԽͯ͠ฦ͢ viewController.viewModel = [self.viewModel detailViewModelForIndexPath:indexPath]; } }
ViewModel ViewModelͷ୯ମςετ ͷ୯ମςετ it (@"ViewModelͷςετ", ^{ TipsDetailViewModel *viewModel = [[TipsDetailViewModel
alloc] initWithModel:tips] expect(viewModel.title).to.equal(@"MVVM for iOS"); expect(viewModel.subTitle).to.equal(@""); expect(viewModel.author).to.equal(@"laiso"); });
Pros Pros UIͱϩδοΫͷ ςετ͘͢͠ͳΔ ࠶ར༻͘͢͠ͳΔ ϦΞΫςΟϒUIԽͰͷԠੑ্
Cons Cons هड़ྔ͕૿͑Δ ReactiveCocoaͷޠኮΛशಘ͢Δඞཁ͕͋Δ ࣮ݧతͰ࣮ફ͢Δͷ͕͍͠ ϑϨʔϜϫʔΫଆͷڧ੍ྗͳ͍ͷͰͨͩʹͳͬ ͯΠϚΠνͳײ͡ͰऴΘΔՄೳੑ͋Δ UIʹର͢ΔςετΧόʔͰ͖ͳ͍
͜Ε͔Β ͜Ε͔Β 1. ෳͷ։ൃऀ͕͔͔ΘΔΑ͏ͳෳࡶͰنͷେ͖ͳΞϓϦ έʔγϣϯΛ͏·͘։ൃͰ͖ΔΑ͏ʹ͢Δ 2. ςετͰอޢͰ͖ΔൣғΛ૿ͯ͠ϦϑΝΫλϦϯάͰί ʔυͷഊΛ͗ߴʹϦϦʔεͰ͖ΔΑ͏ʹ͢Δ 3. ํ๏ͷಋೖͰͳ͘എܠͷ՝ʹؔ৺Λ࣋ͪࣗͨͪͰ
ߟ͑Δ͜ͱͰվળ͍ͯ͘͠
ࢀߟࢿྉ ࢀߟࢿྉ Code Reuse with MVVM Model-View-ViewModel for iOS |
Teehan+Lax ReactiveCocoa/Documentation/FrameworkOverview.md at master · ReactiveCocoa/ReactiveCocoa GUI Architectures
Functional Reactive Program‐ Functional Reactive Program‐ ming on iOS ming
on iOS https://leanpub.com/iosfrp
Xamarin.iOS Xamarin.iOS C#͚ͷMVVMαϙʔτϥΠϒϥϦ https://github.com/MvvmCross/MvvmCross https://github.com/reactiveui/ReactiveUI
Thank You Thank You