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coe
September 25, 2019
Technology
2
1.4k
fatalError("init(coder:) has not been implemented")
About required init?(coder: NSCoder)
coe
September 25, 2019
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Transcript
GBUBM&SSPS JOJU DPEFS IBT OPUCFFOJNQMFNFOUFE QPUBUPUJQTڧ
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"OESPJE%POVUʙ w J04%$Ͱ#MVFUPPUIʹ ͍͓ͭͯ͢͡͞Μ
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ίʔυͰ6*7JFX$POUSPMMFS ࡞ͬͨ͜ͱ͋Δਓʂ
class ViewController: UIViewController { let id:String? init(id:String?) { self.id =
id super.init(nibName: nil, bundle: nil) } required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") } }
required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") }
SFRVJSFEJOJU DPEFS
SFRVJSFEJOJU DPEFS w ίʔυ্ͰΠχγϟϥΠβΛ࣮͢Δͱɺ࣮Λڧཁ͞Ε Δ w 4UPSZCPBSEΛΘͳ͍߹ɺGBUBM&SSPSͷ··Ͱେৎ
SFRVJSFEJOJU DPEFS w ίʔυ্ͰΠχγϟϥΠβΛ࣮͢Δͱɺ࣮Λڧཁ͞Ε Δ w 4UPSZCPBSEΛΘͳ͍߹ɺGBUBM&SSPSͷ··Ͱେৎ
ҧ͍·͢
4UPSZCPBSEΛΘͣͱ JOJU DPEFS ͕ΘΕΔ߹͕͋Γ·͢
ͳͷͰ
ίʔυͰJOJU DPEFS Ͱམͪ·͢
4UPSZCPBSEେউར
4UPSZCPBSEେউར
SFRVJSFEJOJU DPEFS SFRVJSFEJOJU DPEFS Λ࣮͠ͳ͍߹ɺ୯ʹ TVQFSJOJU DPEFS ΛݺΜͰ͍Δ͚ͩͳͷͰɺͦΕͰҙ ຯ͕ͳ͍߹͕͋Γ·͢
JOJU DPEFS ͱ w /4$PEJOHద߹Ϋϥε 6*7JFX$POUSPMMFS ͕࣮͠ͳ͚ ΕͳΒͳ͍ͷͰ͢ w ΞʔΧΠϒʹ֨ೲ͞ΕͨΦϒδΣΫτ͔ΒɺݩͷΦϒδΣ
Ϋτʹ࣌͢ɺJOJU DPEFS ͕ΘΕ·͢
4UPSZCPBSE͔Β JOJU DPEFS
/4,FZFE"SDIJWFS͔Β FODPEF XJUIDPEFS JOJU DPEFS w ΞʔΧΠϒʹ֨ೲ͞ΕͨΦϒδΣΫτ͔ΒɺݩͷΦϒ δΣΫτʹ࣌͢ɺJOJU DPEFS ͕ΘΕ·͢
3FTUPSBUJPO͔Β FODPEF3FTUPSBCMF4UBUF XJUIDPEFS JOJU DPEFS w ϦετΞΛ࣮͢ΔͱɺϗʔϜʹΔͨͼʹΞʔΧΠϒ͕ ࡞ΒΕɺΞϓϦ͕,JMM͞Εͨ߹લͷঢ়ଶͰ෮ݩͰ͖·͢
JOJU DPEFS ͱ w /4$PEJOHద߹Ϋϥε 6*7JFX$POUSPMMFS ͕࣮͠ͳ͚ ΕͳΒͳ͍ͷͰ͢ w ΞʔΧΠϒʹ֨ೲ͞ΕͨΦϒδΣΫτ͔ΒɺݩͷΦϒδΣ
Ϋτʹ࣌͢ɺJOJU DPEFS ͕ΘΕ·͢ w ͳͷͰɺJOJU DPEFS ͰɺΞʔΧΠϒલͷঢ়ଶʹ͢ ॲཧ͕ඞཁʹͳΓ·͢
·ͱΊ w SFRVJSFEJOJU DPEFS 4UPSZCPBSE͚ͩͷͷͰ͋ Γ·ͤΜ
IUUQTRJJUBDPNDPFJUFNTFDGEEBE