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4UPSZCPBSEͷຊ࣭͸ ը໘ભҠΛ ίʔυ͔Β੾Γ཭͢͜ͱ

΋ͪΖΜ ׬શʹ੾Γ཭͢͜ͱ͸Ͱ͖ͳ͍ ओʹը໘ؒͰͷ஋ͷड͚౉͠

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4UPSZCPBSEͱ஥ྑ͘ͳΔ 㲈 4FHVFͱ஥ྑ͘ͳΔ

QSFQBSF'PS4FHVFͷ ංେԽ໰୊

1SPUPDPMΛ࢖͑͹ ܰݮͰ͖ΔͷͰ͸ʁ

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-FHBDZ1BUUFSOPG QSFQBSF'PS4FHVF - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender { if ([segue.identifier isEqualToString:@"second"]) { SecondViewController *vc = segue.destinationViewController; vc.message = self.message; } } 0CKFDUJWF$ override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if segue.identifier == "second" { let second = segue.destination as! SecondViewController second.message = message } } 4XJGU

-FHBDZ1BUUFSOPG QSFQBSF'PS4FHVF - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender { if ([segue.identifier isEqualToString:@"second"]) { SecondViewController *vc = segue.destinationViewController; vc.message = self.message; } } 0CKFDUJWF$ override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if segue.identifier == "second" { let second = segue.destination as! SecondViewController second.message = message } } 4XJGU ͜͜ͷUZQP͕ʜ

-FHBDZ1BUUFSOPG QSFQBSF'PS4FHVF - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender { if ([segue.identifier isEqualToString:@"second"]) { SecondViewController *vc = segue.destinationViewController; vc.message = self.message; } } 0CKFDUJWF$ override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if segue.identifier == "second" { let second = segue.destination as! SecondViewController second.message = message } } 4XJGU 'PSDF$BTUJOHʜ

6TJOHEFTUJOBUJPO override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if let second = segue.destination as? SecondViewController { second.message = message } } override func prepare(for segue: UIStoryboardSegue, sender: Any?) { switch segue.destination { case let second as SecondViewController: second.message = message default: break } } *GMFU TXJUDIMFU

6TJOHEFTUJOBUJPO override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if let second = segue.destination as? SecondViewController { second.message = message } } override func prepare(for segue: UIStoryboardSegue, sender: Any?) { switch segue.destination { case let second as SecondViewController: second.message = message default: break } } *GMFU TXJUDIMFU UZQFTBGFDBTUͰΫϥογϡճආ

6TJOHEFTUJOBUJPO override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if let second = segue.destination as? SecondViewController { second.message = message } } override func prepare(for segue: UIStoryboardSegue, sender: Any?) { switch segue.destination { case let second as SecondViewController: second.message = message default: break } } *GMFU TXJUDIMFU *EFOUJpFSͷUZQP໰୊΋ղܾ

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.VMUJQMF%FTUJOBUJPO class SecondViewController: UIViewController { var message: Message = Message(value: "") } class ThirdViewController: UIViewController { var message: Message = Message(value: "") }

.VMUJQMF%FTUJOBUJPO override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if let second = segue.destination as? SecondViewController { second.message = message } if let third = segue.destination as? ThirdViewController { third.message = message } }

.VMUJQMF%FTUJOBUJPO override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if let second = segue.destination as? SecondViewController { second.message = message } if let third = segue.destination as? ThirdViewController { third.message = message } } ಉ͡ϓϩύςΟΛ࣋ͭผͷ 7JFX$POUSPMMFS͕૿͑Δ౓ʹܕ νΣοΫͷίʔυ͕૿͑Δʜ

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4UPSZCPBSEͷຊ࣭͸ ը໘ભҠΛ ίʔυ͔Β੾Γ཭͢͜ͱ

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4FHVFTUSPOHUPDIBOHF 7$ 4FHVF EFTU QSPUPDPM

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EFTUJOBUJPOΛ QSPUPDPMͰந৅Խ͢Ε͹ มߋʹڧ͘ͳΔ Т

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.FTTBHF7JFX1SPUPDPM protocol MessageView: class { var message: Message { get set } } class SecondViewController: UIViewController, MessageView { var message: Message = Message(value: "") } class ThirdViewController: UIViewController, MessageView { var message: Message = Message(value: "") }

1SPUPDPM0SJFOUFE4FHVF override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if let messageView = segue.destination as? MessageView { messageView.message = message } }

1SPUPDPM0SJFOUFE4FHVF override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if let messageView = segue.destination as? MessageView { messageView.message = message } } 1SPUPDPMͰUZQFTBGFDBTU

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EFTUJOBUJPOJOTJEF OBWJHBUJPOUBC#BS extension UIStoryboardSegue { var embeddedDestination: UIViewController { return detectDestination(destination) } } private extension UIStoryboardSegue { func detectDestination(_ vc: UIViewController) -> UIViewController { switch vc { case let nav as UINavigationController: guard let top = nav.topViewController else { return nav } return detectDestination(top) case let tab as UITabBarController: guard let sel = tab.selectedViewController else { return tab } return detectDestination(sel) default: return vc } } }

EFTUJOBUJPOJOTJEF OBWJHBUJPOUBC#BS override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if let messageView = segue.embeddedDestination as? MessageView { messageView.message = message } } 6*/BWJHBUJPO$POUSPMMFS 6*5BC#BS$POUSPMMFS ͕͋ͬͨΒ۷ΓԼ͛ΔΑ

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