AbemaTVにおけるiOSアーキテクチャの課題解決 / Solving problems in AbemaTV iOS architecture

1.

"CFNB57ʹ͓͚Δ J04ΞʔΩςΫνϟͷ՝୊ղܾ .77. 6OJP 'MVY :VTVLF.PSJTIJUB!ZZTTLL "CFNB57։ൃہωΠςΟϒج൫

2.

"HFOEB wϓϩμΫτഎܠ wઃܭͷมભ wݱࡏͷ՝୊

3.

ϓϩμΫτഎܠ

4.

ϓϩμΫτഎܠ w೥݄͔Β։࢝ͯ͠ݱࡏ೥໨ wݱࡏ͸໊Ͱ։ൃ wϨϙδτϦ wJ04"QQ "1*ΫϥΠΞϯτ ϩάͷϞσ ϧʜFUD

5.

ϓϩμΫτഎܠνʔϜਓ਺ ࣌ؒ ਓ਺ ্ཱͪ͛࣌

6.

ઃܭͷมભ

7.

ઃܭͷมભ wୈ̍ੈ୅'MVY wୈ̎ੈ୅.77. 'MVY wୈ̏ੈ୅.77. 6OJP 'MVY

8.

ઃܭͷมભ$POUSJCVUJPOHSBQI ୈ̍ੈ୅ ୈ̎ੈ୅ ୈ̏ੈ୅

9.

ઃܭͷมભ$POUSJCVUJPOHSBQI ୈ̍ੈ୅ ୈ̎ੈ୅ ୈ̏ੈ୅ ॎԽɺϏσΦػೳ։࢝

10.

ઃܭͷมભ$POUSJCVUJPOHSBQI ୈ̍ੈ୅ ୈ̎ੈ୅ ୈ̏ੈ୅ ΞϓϦ಺ίΠϯɺ౤͛મػೳ։࢝

11.

ઃܭͷมભνʔϜਓ਺ ࣌ؒ ਓ਺ ୈ̍ੈ୅ ୈ̎ੈ୅ ୈ̏ੈ୅

12.

ୈ̍ੈ୅ w࣌ظ wॳظϦϦʔε w.PUJWBUJPO wෳࡶͳঢ়ଶ؅ཧΛΘ͔Γ΍͘͢؅ཧ͍ͨ͠ wΫϥΠΞϯτؒ "OESPJEJ048FC ͰઃܭΛ౷Ұͨ͠ ͍

13.

࠾༻'MVY 3Y4XJGU Facebook https://facebook.github.io/ﬂux/docs/in-depth-overview/

14.

ୈ̍ੈ୅'MVY 6*Πϕϯτ ঢ়ଶΛ؂ࢹͯ͠6*΁൓ө

15.

ୈ̍ੈ୅"DUJPO func getElement() { dispatcher.isLoading.dispatch(true) APIClient.getElement() .do(onError: { [weak self]
error in self?.dispatcher.error(error) // Τϥʔ }) .do(onCompleted: { [weak self] in self?.dispatcher.isLoading.dispatch(false) // ׬ྃ }) .subscribe(onNext: { [weak self] element in self?.dispatcher.element.dispatch(element) // ੒ޭ }) .disposed(by: disposeBag) }

16.

ୈ̍ੈ୅%JTQBUDIFS final class Dispatcher { static let shared = Dispatcher()
let element = DispatchSubject<Element>() let isLoading = DispatchSubject<Bool>() let error = DispatchSubject<Error>() }

17.

ୈ̍ੈ୅4UPSF final class Store { static let shared = Store()
let isLoading: Property<Bool> let element: Property<Element> init(dispatcher: Dispatcher) { // dispatcher͔ΒྲྀΕ͖ͯͨΠϕϯτΛbind͢Δ } }

18.

ୈ̍ੈ୅6* override func viewDidLoad() { super.viewDidLoad() // ActionʹΠϕϯτΛൃՐ Action.shared.getElement() //
ߋ৽͞Εͨঢ়ଶΛUIʹbind Store.shared.element.asObservable() .bind(to: titleLabel.rx.text) .diposed(by: disposeBag) }

19.

ୈ̍ੈ୅'MVY 6*Πϕϯτ ঢ়ଶΛ؂ࢹͯ͠6*΁൓ө

20.

ୈ̍ੈ୅ͷྑ͍఺ w7JFXؒͷґଘؔ܎͕ݮΔ w։ൃऀͷ࣮૷͕౷Ұ͞Ε΍͍͢ wσʔλͷྲྀΕ͕Θ͔Γ΍͍͢

21.

ୈ̎ੈ୅ w ࣌ظ w ೥݄dλςରԠͷ։ൃ։࢝ w ೥݄dϏσΦػೳͷ։ൃ։࢝

22.

ୈ̍ੈ୅ͷ՝୊ w ػೳͷෳࡶԽʹΑΓɺ4UPSF΍6*ͷϥΠϑ αΠΫϧͷ߹੒ϩδοΫ͕7JFX$POUSPMMFS ʹ૿͑ͨ

23.

ୈ̍ੈ୅ͷ՝୊ override func viewDidLoad() { super.viewDidLoad() // ঢ়ଶͷߋ৽·ͨ͸λςϤίͷ੾Γସ͑ΛϑοΫͯ͠tableViewΛϦϩʔυ Observable.combineLatest( Store.shared.repositories.asObservable(),
rx.traitCollectionDidChange.asObservable() ) .observeOn(MainScheduler.instance) .subscribe(onNext: { [weak self] _ in self?.tableView.reloadData() }) .disposed(by: disposeBag) … }

24.

࠾༻.77. 7JFX.PEFM .PEFM 7JFX 7JFX$POUSPMMFS %BUBCJOEJOH

25.

ୈ̎ੈ୅7JFX4USFBN

26.

ୈ̎ੈ୅7JFX4USFBN final class ViewStream { // Output let element: Property<Element>
let isLoading: Property<Bool> init( // Input viewDidLayout: Observable<Void>, traitCollectionDidChange: Observable<Void>, // Dependency action: Action = .shared, store: Store = .shared ) { // InputͷΠϕϯτΛ΋ͱʹOutputΛ߹੒͢Δ } }

27.

ୈ̎ੈ୅ͷྑ͍఺ w7JFX$POUSPMMFSͷ࣮૷Λ6*Πϕϯτͷ఻ൖͱঢ়ଶ Λ6*ʹόΠϯυ͢ΔͷΈʹͰ͖ͨ wϓϨθϯςʔγϣϯϩδοΫΛ6*͔Β෼཭Ͱ͖ɺ ୯ମςετָ͕ʹ͔͚Δ wάϩʔόϧͰอ࣋͢Δඞཁ͕ͳ͍ը໘ͷҰ࣌ঢ়ଶ Λ6*ͷϥΠϑαΠΫϧͰഁغͰ͖Δ

28.

ઃܭͷมભνʔϜਓ਺ ࣌ؒ ਓ਺ ୈ̍ੈ୅ ୈ̎ੈ୅ ୈ̏ੈ୅

29.

ୈ̎ੈ୅ͷ՝୊ w 7JFX4USFBNͷ࣮૷ํ๏͕࣮૷ऀʹΑͬͯ ͹Β͖͕ͭ͋Δ

30.

ୈ̎ੈ୅ͷ՝୊ class SearchViewStream { // Output let repositories: Property<[Repository]> private
let _repositories = BehaviorRelay<[Repository]>(value: []) private let _search = PublishRelay<String>() private let disposeBag = DisposeBag() init( // Dependency action: Action = .shared store: Store = .shared ) { // Input ⇨ Output Logic } // Input func search(_ text: string) { _search.accept(text) } }

31.

let _repositories = BehaviorRelay<[Repository]>(value: []) private let _search = PublishRelay<String>() private let disposeBag = DisposeBag() init( // Dependency action: Action = .shared store: Store = .shared ) { // Input ⇨ Output Logic } // Input func search(_ text: string) { _search.accept(text) } }

32.

let _repositories = BehaviorRelay<[Repository]>(value: []) private let disposeBag = DisposeBag() init( // Input search: Observable<String> // Dependency action: Action = .shared store: Store = .shared ) { // Input ⇨ Output Logic } }

33.

ୈ̎ੈ୅ͷ՝୊ class SearchViewStream { // Input let search = PublishRelay<String>()
// Output let repositories: Property<[Repository]> private let _repositories = BehaviorRelay<[Repository]>(value: []) private let _search = PublishRelay<String>() private let disposeBag = DisposeBag() init( // Dependency action: Action = .shared store: Store = .shared ) { // Input ⇨ Output Logic } }

34.

ߟҊ6OJP $SFBUFECZNBSUZTV[VLJ

35.

ୈ̏ੈ୅ w ࣌ظ w "CFNBίΠϯػೳͷ։ൃ w "CFNBαϙʔτ ౤͛મ ػೳͷ։ൃ

36.

ୈ̏ੈ୅6OJP class SearchViewModel: UnioStream<SearchViewModel>, SearchViewModelType { struct Input: InputType {
let search = PublishRelay<String>() } typealias State = NoState struct Output: OutputType { let repositories: Observable<[Repository]> } struct Extra: ExtraType { let action: Action let store: Store } static func bind(from dependency: Dependency<Input, State, Extra>, disposeBag: DisposeBag) -> Output { // Dependency ⇨ Output Logic return Output(repositories: ${repositoriesΛฦ͢ม਺}) } }

37.

ୈੈ୅ͷྑ͍఺ w7JFX.PEFMͷ࣮૷ͷ౷Ұ͕࣮ݱͰ͖ͨ w7JFX.PEFMͷϩδοΫͷྲྀΕ͕୯Ұํ޲ͳ ͷͰՄಡੑ্͕͕ͬͨ

38.

ୈ̏ੈ୅6OJP

39.

ݱࡏͷ՝୊

40.

ݱࡏͷ՝୊ wਐԽ͍ͯ͘͠աఔͰલੈ୅ͷ࣮૷͕࢒͍ͬͯΔ wୈ̍ੈ୅ͷ࣮૷ͰҰ෦'MVY಺Ͱ4UPSFUP4UPSF ͳ࣮૷ʹͳ͍ͬͯͯॲཧͷྲྀΕ͕ෳࡶԽ͍ͯ͠Δ wը໘ͷ୯ମىಈ͕Ͱ͖ͳ͍࣮૷ʹͳ͍ͬͯΔ w'MVYͷ"DUJPO͕3FTPVSDF΁௚઀ࢀর͍ͯ͠Δ

41.

·ͱΊ wઃܭͷมߋͷλΠϛϯά͸શػೳΛ࡮৽͢ Δͱ͖΍େ͖ͳػೳ։ൃ͕ೖΔͱ͖ wॳظͷίϯηϓτ͔Βൃੜͨ͠՝୊ʹରͯ͠ ౎౓ղܾ͢Δํ๏Λ৽ͨ͠ʹऔΓೖΕͯมԽ ͖ͯͨ͠

42.

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w "CFNBJ04"SDIJUFDUVSF w IUUQTTQFBLFSEFDLDPNUPJLJBCFNBJPTBSDIJUFDUVSF w 6OJP w IUUQTTQFBLFSEFDLDPNNBSUZTV[VLJNWWNGBMTFTIJ[IVBOHXPGVSVGSBNFXPSLXPLBJGBEBP SVTJUJNVEFCBSBUVLJHBBUVUBTIJ[IVBOHXPUPOHTVSV

AbemaTVにおけるiOSアーキテクチャの課題解決 / Solving problems in AbemaTV iOS architecture

AbemaTVにおけるiOSアーキテクチャの課題解決 / Solving problems in AbemaTV iOS architecture

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