UIViewController - Interactive PopGesture

6*7JFX$POUSPMMFS *OUFSBDUJWF1PQ(FTUVSF 04ΞϓϦ։ൃDMBTTJD ೳొཁ !OPUPSPJE J1IPOFΞϓϦ։ൃऀ೥݄೔

࿩͢಺༰ w ΞϓϦͷ࢓༷͕ϞόΠϧΞϓϦ։ൃͷηΦϦʔ͔Β֎ΕΔ࣌ w 6*(FTUVSF3FDPHOJ[FS w JOUFSBDUJWF1PQ(FTUVSF3FDPHOJ[FS

࿩͞ͳ͍಺༰ w ൚༻తͳ6*(FTUVSF3FDPHOJ[FSͷ঺հ w 4XJGU6*ͰͷJOUFSBDUJWFQPQͷڍಈ

͓୊໨ w J044%,DMBTTJD w อଘ֬ೝ DPO fi SN Λ௥Ճ͢Δ

ࣗݾ঺հ w J1IPOFΞϓϦ։ൃऀ 9!OPUPSPJE w ΞϓϦ։ൃऀྺ ʙ w
ΞϓϦ࡞࢛ͬͯ൒ੈل 8JOEPXTΞϓϦʙJ04 w झຯ͸ήʔϜ ൓ࣹਆܦ͕ਰ͑ͱ໨ͷർΕ͕ൈ͚ͳ͍

J044%,DMBTTJD

88%$௚લ

͜ͷ࣌ظ͸J044%,ʹؔ͢Δ τϐοΫ͕গͳ͍ͷ͕೉఺

ͦΜͳ࣌ʹͦ͜J044%,ͷ DMBTTJDͳ಺༰ʹ৮ΕͯΈΔ

ͦͷ͓୊͸

6*7JFX$POUSPMMFS

6*,JUΛ࢖ͬͨΞϓϦ։ൃͷجຊ w J04ΞϓϦը໘ͷ౔୆Λఏڙ w ը໘্ʹ6*ύʔπ഑ஔՄೳ w ϨΠΞ΢τݟͳ͕ΒฤूՄೳ 4UPSZCPBSE w
J04ΞϓϦΒ͍͠ը໘ͷڍಈΛఏڙ w ໊শ͸ɺ7JFXͱ$POUSPMMFSͱ͍͏ͭͷ ػೳ 7JFX $POUSPMMFS Λ୲͍ͬͯΔ͔Β w 6*/BWJHBUJPO$POUSPMMFSͰը໘ભҠΛ࣮ ݱ 6*7JFX$POUSPMMFS

࢖͏͚ͩͰJ04Β͍͠ڍಈΛఏڙ w 6*7JFX$POUSPMMFSΛػೳ֨ೲͨ͠΋ ͷ w લͷը໘ΛQVTIɺ໭Δ࣌͸QPQ͢Δڍ ಈ w ෳ਺QVTIՄೳ w
໭ΔϘλϯͰલͷը໘΁QPQ w ໭ΔϘλϯ௕ԡ͠ͰQPQઌΛࢦఆ w ࠨ͔Β4XJQFͰલͷը໘΁QPQ 6/BWJHBUJPO$POUSPMMFS ௕ԡ͠Ͱ໭Δը໘ΛࢦఆՄೳ J1IPOFͷΤοδΛࠨ͔Βӈ ΁εϫΠϓͰͭ໭Δ

4UPSZCPBSEͰը ໘Λ௥Ճ͢Δͱɺ ը໘ભҠΛ࣮ݱ

Ͱ͸ɺඪ४Ҏ֎ͷڍಈΛ ࣮ݱ͠Α͏ͱ͢Δͱ

อଘ֬ೝ DPOGJSN Λ௥Ճ͢Δ

ඪ४ػೳʹհೖ͢Δ w ಛఆͷը໘Ͱ಺༰Λมߋޙʹɺ લͷը໘ʹ໭Ζ͏ͱ͢Δͱ֬ೝ ΞϥʔτͰอଘ֬ೝ͢Δ w อଘɺ΋͘͠͸อଘ͠ͳ͍Ͱ໭ ΔΛબͿͱલͷը໘ʹ໭Δ ֬ೝػೳΛ௥Ճ͢Δ

ඪ४ಈ࡞Λࠩ͠ସ͑Δ w OBWJHBUJPO*UFNCBDL#BS#VUUP O*UFNΛແޮԽ͢Δ w 6*#BS#VUUPO*UFN ΛࠨϘλϯ Λஔ͖׵͑Δ ໭ΔϘλϯΛࠩ͠ସ͑Δ ௨ৗ໭ΔϘλϯ͔Βஔ͖׵͑

͜ΕͰສࣄղܾ

ͱ͸ͳΒͳ͍

(FTUVSF͕ແޮԽ w ໭ΔϘλϯΛࠩ͠ସ͑Δͱࠨԑ ͔Βӈ΁1BO͢Δૢ࡞͕ແޮʹͳ Δ w 6*/BWJHBUJPO$POUSPMMFSJOUFSBD UJWF1PQ(FTUVSF3FDPHOJ[FSΛ มߋ͢Δ ໭ΔϘλϯΛࠩ͠ସ͑ͷฐ֐
௨ৗ໭ΔϘλϯ͔Βஔ͖׵͑

6*,JU6*(FTUVSF3FDPHOJ[FS w J04ΞϓϦͰͷλοϓଞδΣενϟʔΠϕϯτΛ੍ޚ͢ΔΦϒδΣΫτ w 6*7JFX ը໘Λߏ੒͢Δύʔπ ʹొ࿥ w 5BQ 4XJQF
1JODI w ෳ਺ͷࢦΛݕ஌Մೳ w ιʔείʔυ΍4UPSZCPBSEͰඥ෇͚Մೳ w EFMFHBUFͰHFTUVSFΠϕϯτ΁ͷհೖ ։࢝൑அɺதஅͳͲ ͕Մೳ

TUBUFϓϩύςΟͱΠϕϯτ ΠϕϯτʹδΣενϟ ʔ৘ใؚ͕·ΕΔ δΣενϟʔ͕Ωϟϯ ηϧ͞ΕΔ͜ͱ΋͋Δ

TUBUFFOEͰॲ ཧΛߦ͏λΠϓɻ TUBUFDIBOHF ͷ࣌ɺҐஔ৘ใͰ ॲཧΛߦ͏ɻ TUBUFϓϩύςΟͱΠϕϯτ

BDUJPOͱEFMFHBUF HFTUVSFSFDPHOJ[FSͷEFMFHBUFʹઃఆ͢Δ import UIKit class RootViewController: UIViewController { override func
viewDidLoad() { super.viewDidLoad() navigationController?.interactivePopGestureRecognizer?.addTarget(self, action: #selector(onInteractivePop(_:))) } @objc func onInteractivePop( _ gestureRecognizer: UIGestureRecognizer) { // stateΛ֬ೝ switch gestureRecognizer.state { case .began: print("began") case .changed: print("changed") case .ended: print("ended") default: break } // Ґஔ৘ใΛ֬ೝ _ = gestureRecognizer.location(in: view) } } ᶃHFTUVSFSFDPHOJ[FSʹ BDUJPOΛొ࿥͢Δ ᶅBDUJPO಺ͰTUBUF΍MPDBUJPO ΛऔಘͰ͖Δ ᶄ0CKFDUJWF$༝དྷͷػೳͳͷ Ͱ!PCKDΛϚʔΫ

BDUJPOͱEFMFHBUF BDUJPO͸HFTUVSFSFDPHOJ[FSʹ௥Ճ͢Δ class RootViewController: UIViewController { override func viewDidLoad() {
super.viewDidLoad() navigationController?.interactivePopGestureRecognizer?.delegate = self } } extension RootViewController: UIGestureRecognizerDelegate { func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool { return true } } ᶃ EFMFHBUFʹ 6*(FTUVSF3FDPHOJ[FS%FMF HBUFʹରԠͨ͠ΦϒδΣΫτ Λઃఆ͢Δ ᶅ6*(FTUVSF3FDPHOJ[FSͷڍಈʹհೖ Ͱ͖Δɻओʹ։࢝൑அɺதࢭ൑அ ᶄ6*(FTUVSF3FDPHOJ[FS%FMFHBUFʹ ४ڌ͍ͯ͠ΔͱEFMFHBUFͱͯ͠ઃఆՄ ೳʹ

6*ύʔπʹຒΊࠐ·Εͨ6*(FTUVSF3FDPHOJ[FS w 4DSPMM7JFXͷ֦େɺεΫϩʔϧಈ࡞ w /BWJHBUJPOͷը໘ભҠ w JOUFSBDUJWF1PQ(FTUVSF3FDPHOJ[FS w ͲͷΑ͏ͳ࣮૷͔͸ҰԠӅṭ w
6*4DSFFO&EHF1BO3FDPHOJ[FS

6*4DSFFO&EHF1BO3FDPHOJ[FSᶃ w 6*(FTUVSF3FDPHOJ[FSͷ೿ੜΫϥε w &EHF1BOૢ࡞ΛΧελϚΠζՄೳ w ͦͷ৔߹Ξχϝʔγϣϯ੍ޚͱͦͷޙͷڍಈ͸࣮૷ඞཁ w 6*ΛεϥΠυ͢Δ w
6*Λ҉సͤ͞Δ

6*4DSFFO&EHF1BO3FDPHOJ[FSᶄ w 6*/BWJHBUJPO$POUSPMMFSʹຒΊࠐ·Εͨ 6*4DSFFO&EHF1BO3FDPHOJ[FS w Ξχϝʔγϣϯɺը໘ભҠ·Ͱ׬උ w OBWJHBUJPO*UFNCBDL#VUUPOΛࠩ͠ସ͑Δͱ ແޮԽ w
JOUFSBDUJWF1PQ(FTUVSF3FDPHOJ[FSͷ EFMFHFΛొ࿥͢Δͱػೳ༗ޮ

6*4DSFFO&EHF1BO3FDPHOJ[FSᶅ Ͳ͏΍ͬͯ&EHF1BOͰDPO fi SNΛ࣮ݱ͢Δ ࣗલͰ&EHF1BO Λ࣮૷͢Δ͔ ࣗ࡞&EHF1BOͰ ػೳ࣮૷ 04ಠࣗͷڍಈ BOJNBUJPO
ͳͲ Λ࠶ݱ͢Δඞཁ͋Γ ͸͍ ͍͍͑

6*4DSFFO&EHF1BO3FDPHOJ[FSᶅ Ͳ͏΍ͬͯ&EHF1BOͰDPO fi SNΛ࣮ݱ͢Δ ࣗલͰ&EHF1BO Λ࣮૷͢Δ͔ ࣗ࡞&EHF1BOͰ ػೳ࣮૷ ඞཁ͕͋ͬͨ৔߹ɺ &EHF4XJQFͲ
ͲͷΑ͏ʹࢭΊΔ͔ ͸͍ ͍͍͑ EFMFHBUFͷΠϕϯτ Λ࢖༻͢Δ &EHF1BOΛதࢭɺ ֬ೝ"MFSUΛग़͢ &EHF1BO͕࢝·Δલʹॲཧ͢Δ ͷར༻ऀ͸ޡ࡞ಈ͔ࣗ෼ͷૢ࡞͔ Θ͔Βͳ͍ BDUJPOΛར༻͢Δ

6*4DSFFO&EHF1BO3FDPHOJ[FSᶅ Ͳ͏΍ͬͯ&EHF1BOͰDPO fi SNΛ࣮ݱ͢Δ ࣗલͰ&EHF1BO Λ࣮૷͢Δ͔ ࣗ࡞&EHF1BOͰ ػೳ࣮૷ ඞཁ͕͋ͬͨ৔߹ɺ &EHF4XJQFͲ
ͲͷΑ͏ʹࢭΊΔ͔ ͸͍ ͍͍͑ EFMFHBUFͷΠϕϯτ Λ࢖༻͢Δ &EHF1BOΛதࢭɺ ֬ೝ"MFSUΛग़͢ BDUJPOΛར༻͢Δ "DUJPOͷMPDBUJPOͷҐ ஔͰ֬ೝ"MFSUΛग़͢ ૢ࡞͕ૣ͗͢ΔͱΠϕϯτΛ DBUDIͰ͖ͳ͍

αϯϓϧίʔυ

IUUQTHJUIVCDPNOPUPSPJE *OUFSBDUJWF1PQ(FTUVSF5FTU

·ͱΊ w88%$௚લͰ4%,ʹؔ͢ΔτϐοΫ͕ͳ͍ͷͰDMBTTJDͳ6*,JU ͷ࿩୊ʹ͍ͭͯ࿩͠·ͨ͠ w6*4DSFFO&EHF1BO3FDPHOJ[FSΛ੍ޚ͢ΔͨΊʹز͔ͭͷํ๏͕͋ Γ·͢ wϞόΠϧΞϓϦͷηΦϦʔ͔Β֎ΕΔ࣮૷͸։ൃલஈ֊Ͱ଴ͬͨΛ͔ ͚͍ͨ΋ͷͰ͢

w OPUPSPJE*OUFSBDUJWF1PQ(FTUVSF5FTU w IUUQTHJUIVCDPNOPUPSPJE *OUFSBDUJWF1PQ(FTUVSF5FTU w 6*4DSFFO&EHF1BO(FTUVSF3FDPHOJ[F Sc"QQMF%FWFMPQFS%PDVNFOUBUJPO w IUUQTEFWFMPQFSBQQMFDPN
EPDVNFOUBUJPOVJLJU VJTDSFFOFEHFQBOHFTUVSFSFDPHOJ[ FS w 4DSFFO&EHF4XJQF(FTUVSFPO J1IPOFVTJOHUIF 6*4DSFFO&EHF1BO(FTUVSF3FDPHOJ[F S5VUPSJBM4VQFS&BTZ"QQT w IUUQTTVQFSFBTZBQQTDPNCMPH TDSFFOFEHFTXJQF HFTUVSFPOJQIPOFVTJOHUIF VJTDSFFOFEHFQBOHFTUVSFSFDPHOJ[ FSUVUPSJBM ࢀߟ OPUPSPJE4QFBLFS%FDL

UIViewController - Interactive PopGesture

UIViewController - Interactive PopGesture

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