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Serialize process with screen transitions.
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417.72KI
February 28, 2019
Technology
2
1.4k
Serialize process with screen transitions.
potatotips #59
417.72KI
February 28, 2019
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Transcript
ը໘ભҠ͕བྷΉͷड͚͠Λ 3Y4XJGUͰྻԽͯ͠Έͨ !QPUBUPUJQT
struct Me { let name = "Takuhiro Muta" let aka
= "417.72KI" let experienceYears = 5 let company = "iRidge inc." let twitter = "417_72ki" let qiita = "417_72ki" let gitHub = "417-72KI" let like = [ "BEMANI", "Real Escape Game", "Bang Dream!", "LoveLive! Sunshine!!", "etc…" ] } TFMGEFTDSJQUJPO
͢͜ͱ w ՝ͱΞϓϩʔνྫ
͞ͳ͍͜ͱ w 3Y4XJGUʹ͍ͭͯ w Έͱ͔ܕͱ͔ w ֤छΞʔΩςΫνϟʹͲ͏ద༻͢Δ͔
ී௨ͷෳࡶͳॲཧϑϩʔ "ͱ௨৴͢Δ "ͷ݁ՌΛͬͯ#ͱ௨৴͢Δ #ͷ݁ՌΛͬͯ$ͱ௨৴͢Δ
ී௨ͷෳࡶͳॲཧϑϩʔ func connectA() -> Single<String> func connectB(resultOfA: String) -> Single<String>
func connectC(resultOfB: String) -> Single<String> func doSomething() { connectA() .flatMap(connectB) .flatMap(connectC) .subscribe(onSuccess: { // ࠷ऴ݁ՌͰԿ͔͢Δ }, onError: { print($0) }) .disposed(by: disposeBag) }
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ࠓճͷ՝ ྫ "ͱ௨৴͢Δ "ͷ݁ՌΛ8FC7JFXʹૹͬͯ Ϣʔβʔʹૢ࡞ͤ͞Δ Ϣʔβʔ͕ૢ࡞ͨ݁͠ՌΛ ϑοΫͯ͠$ͱ௨৴͢Δ 8FC7JFX$POUSPMMFS QSFTFOU7JFX$POUSPMMFS 8FC7JFX%FMFHBUF
EJTNJTT7JFX$POUSPMMFS 8FC7JFX$POUSPMMFS %FMFHBUF
ࠓճͷ՝ ྫ func doSomething() { connectA() .subscribe(onSuccess: { [unowned self]
in let webView = // initialize WebViewController webView.delegate = self webView.param = $0 self.present(webView, animated: true) }, onError: { print($0) }) .disposed(by: disposeBag) } // MARK: - WebViewControllerDelegate func webViewDidRespondSomething(_ value: String) { connectC(resultOfB: value) .subscribe(onSuccess: { // ࠷ऴ݁ՌͰԿ͔͢Δ print($0) }, onError: { print($0) }) .disposed(by: disposeBag) }
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8FC7JFX$POUSPMMFSʹ 0CTFSWFSΛஔ͚ ྻԽͰ͖ΔͷͰʁ
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ͬͨ͜ͱ w ݺͼग़͢7$ʹ0CTFSWFSΛஔ͘ w ݺͼग़͠ॲཧΛQSPUPDPMʹ͢Δ
ݺͼग़͢7$ʹ 0CTFSWFSΛஔ͘ class WebViewController: UIViewController { var param: String! private
let resultSubject = PublishSubject<String>() // ҎԼུ } extension WebViewController { var result: Maybe<String> { return resultSubject.asMaybe() } }
ݺͼग़͢7$ʹ 0CTFSWFSΛஔ͘ // MARK: - WKNavigationDelegate extension WebViewController: WKNavigationDelegate {
override func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) { guard let result = doSomething(fromRequest: navigationAction.request) else { return } decisionHandler(.cancel) dismiss(animated: true) { [unowned self] in self.resultSubject.onNext(result) self.resultSubject.onCompleted() } }
ݺͼग़͠ॲཧΛ QSPUPDPMʹ͢Δ protocol WebViewOpenable { /// paramΛWebViewʹૹͬͯ݁ՌΛड͚औΔ func requestToWeb(withParam param:
String) -> Maybe<String> }
ݺͼग़͠ॲཧΛ QSPUPDPMʹ͢Δ extension WebViewOpenable where Self: UIViewController { func requestToWeb(withParam
param: String) -> Maybe<String> { guard let nav = R.storyboard.webView.instantiateInitialViewController(), let webView = nav.viewControllers.first as? WebView else { assertionFailure("Something wrong in WebView.storyboard") return Observable.error(CommonError.unknown) } webView.param = param defer { present(nav, animated: true) } return webView.result } }
ݩͷίʔυ func doSomething() { connectA() .subscribe(onSuccess: { [unowned self] in
let webView = // initialize WebViewController webView.delegate = self webView.param = $0 self.present(webView, animated: true) }, onError: { print($0) }) .disposed(by: disposeBag) } // MARK: - WebViewControllerDelegate func webViewDidRespondSomething(_ value: String) { connectC(resultOfB: value) .subscribe(onSuccess: { // ࠷ऴ݁ՌͰԿ͔͢Δ print($0) }, onError: { print($0) }) .disposed(by: disposeBag) }
ྻԽ͞Εͨίʔυ func doSomething() { connectA() .flatMap(requestToWeb) .flatMap(connectC) .subscribe(onSuccess: { //
࠷ऴ݁ՌͰԿ͔͢Δ print($0) }, onError: { print($0) }) .disposed(by: disposeBag) }
ྻԽ͞Εͨίʔυ func doSomething() { connectA() .flatMap { [unowned self] in
self.requestToWeb(withParam: $0) } .flatMap { [unowned self] in self.connectC(resultOfB: $0) } .bind(to: resultLabel.rx.text) .disposed(by: disposeBag) }
݁Ռ w ը໘ભҠ͕བྷΉΑ͏ͳॲཧϑϩʔભҠઌʹ 0CTFSWFSΛஔ͘͜ͱͰqBU.BQCJOEͰܨ͛Β ΕΔΑ͏ʹͳͬͨ w ॲཧதʹը໘ભҠ͕ൃੜ͢Δ͜ͱΛϑϩʔͷத Ͱҙࣝ͠ͳͯ͘ྑ͘ͳͬͨ w 1VCMJTI4VCKFDUJT༏ल
4BNQMF w IUUQTHJUIVCDPN,* 3Y4DSFFO5SBOTJUJPO4BNQMF
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