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ͬͱૣ͘ڭ͑ͯཉ͔ͬͨ͠ը໘ભҠ
1/22 ͋Δ͋ΔLTʙεϚϗΞϓϦ։ൃΤϯδχΞʙ Vol.2
PKPK-Carnage
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About me
• iOSྺ2ͪΐͬͱ
• Qiita → @PKPK-Carnage
• Github → PKPK-Carnage
• Twitter → @PKPK-Carnage
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ը໘ભҠͬͯͲ͏ͬͯ·͔͢ʁ
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ηάΤ vs ίʔυ
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ηάΤ
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Hoge͔ΒFugaʹભҠͯ͠ɺ
Fuga͔ΒPiyoʹભҠͯ͠ɾɾɾ
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extension HogeViewController {
@IBAction private func didTapFugaButton(_ sender: UIButton) {
self.performSegue(withIdentifier: "showFuga", sender: sender.tag)
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
if let vc = segue.destination as? FugaViewController {
if let value = sender as? Int {
vc.value = value
}
}
}
}
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͋ͷը໘͔Βͦͷը໘ʹભҠͯ͠ɺ
ͦͷը໘͔Β3छྨͷը໘ʹભҠͯ͠ɾɾɾ
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extension HogeViewController {
@IBAction private func didTapFugaButton(_ sender: UIButton) {
self.performSegue(withIdentifier: "showFuga", sender: sender.tag)
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
if let vc = segue.destination as? FugaViewController {
if let value = sender as? Int {
vc.value = value
}
}
}
}
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extension HogeViewController {
@IBAction private func didTapFugaButton(_ sender: UIButton) {
self.performSegue(withIdentifier: "showFuga", sender: sender.tag)
}
@IBAction private func didTapPiyoButton(_ sender: UIButton) {
self.performSegue(withIdentifier: "showPiyo", sender: sender.currentTitle)
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
if let vc = segue.destination as? FugaViewController {
if let value = sender as? Int {
vc.value = value
}
} else if let vc = segue.destination as? PiyoViewController {
if let value = sender as? String {
vc.value = value
}
}
}
}
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!
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(PPE #BE
• ભҠΛࢹ֮తʹݟΕΔ
• ؆୯ʹ࣮Ͱ͖Δ
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• ը໘͕૿͑ΔͱΧΦε
• ίϯϑϦΫτͰઈ͢Δ
• identifierͰભҠઌΛࢦఆ͠ͳ͚
ΕͳΒͳ͍
• prepareϝιου͕ѻ͍ͮΒ͍
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ίʔυ
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extension HogeViewController {
@IBAction private func didTapFugaButton(_ sender: UIButton) {
self.performSegue(withIdentifier: "showFuga", sender: sender.tag)
}
}
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extension HogeViewController {
@IBAction private func didTapFugaButton(_ sender: UIButton) {
let vc = FugaViewController(nibName: "FugaViewController", bundle: .main)
vc.value = sender.tag
self.navigationController?.pushViewController(vc, animated: true)
}
}
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(PPE #BE
• ָ͕͠ʹͰ͖Δ
• ίϯϑϦΫτ͍ͯ͢͠͠
• segueΑΓ҆৺
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• ભҠΛࢹ֮తʹݟΕͳ͘ͳΔ
• Ͳͷը໘ʹભҠ͢Δ͔Ѳ͢Δ
ͷ͕େม
• ॲཧΛॻ͘ͷ͕໘
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"
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protocol + extensitonͰղܾ͢Δ
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ભҠ͢ΔͨΊͷprotocolΛ࡞Δ
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protocol FugaTransitable: class {
func transitToFuga(value: Int)
}
extension FugaTransitable where Self: UIViewController {
func transitToFuga(value: Int) {
let vc = FugaViewController(nibName: "FugaViewController", bundle: .main)
vc.value = value
self.navigationController?.pushViewController(vc, animated: true)
}
}
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protocolΛద༻͢Δ
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extension HogeViewController: FugaTransitable {
@IBAction private func didTapFugaButton(_ sender: UIButton) {
self.transitToFuga(value: sender.tag)
}
}
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ભҠͷprotocolΛՃ͍ͯ͘͠
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extension HogeViewController: FugaTransitable, PiyoTransitable {
@IBAction private func didTapFugaButton(_ sender: UIButton) {
self.transitToFuga(value: sender.tag)
}
}
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(PPE #BE
• ָ͕͠ʹͰ͖Δ
• ίϯϑϦΫτ͍ͯ͢͠͠
• segueΑΓ҆৺
• ࣮͞Ε͍ͯΔprotocolͰભҠઌ
͕Θ͔Δ
• ॲཧΛॻ͘ͷָ͕
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#
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·ͱΊ
• iOSͰը໘ભҠηάΤͱίʔυͷ2ύλʔϯ͋Δ
• ͦΕͧΕϝϦοτͱσϝϦοτ͕͋Δ
• protocolͱextensionΛۦ͢ΕίʔυͰͷσϝϦοτΛഉ
আͰ͖Δ
• ͜ͷΓํΛͬͨ࣌ʹͬͱૣ͘Γ͔ͨͬͨͱࢥͬͨ
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͓ΘΓ
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