Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Speaker Deck
PRO
Sign in
Sign up
for free
Responder Chainを使って コードをスッキリさせたい - 第1回 HAKATA.swift
ukitaka
April 16, 2018
Programming
6
930
Responder Chainを使って コードをスッキリさせたい - 第1回 HAKATA.swift
https://hakata-swift.connpass.com/event/81656/
での発表です。
ukitaka
April 16, 2018
Tweet
Share
More Decks by ukitaka
See All by ukitaka
ukitaka
0
60
ukitaka
0
240
ukitaka
10
2.8k
ukitaka
5
950
ukitaka
0
700
ukitaka
5
770
ukitaka
14
1.7k
ukitaka
3
610
ukitaka
4
640
Other Decks in Programming
See All in Programming
lilobase
PRO
0
100
xrdnk
0
170
yasuakiomokawa
0
670
karosuwindam
0
120
kensukenakazawa
0
110
kulkarniankita09
0
280
dunglas
5
6.3k
samjulien
0
460
dora1998
0
190
deepu105
1
200
dqneo
0
160
ykpythemind
0
160
Featured
See All Featured
addyosmani
495
110k
maggiecrowley
10
560
lynnandtonic
273
16k
brad_frost
157
6.5k
lauravandoore
12
1.7k
chrislema
231
16k
trishagee
24
3.1k
bryan
32
3.5k
smashingmag
283
47k
chrislema
173
14k
akmur
252
19k
geoffreycrofte
27
1.1k
Transcript
Responder ChainΛͬͯ ίʔυΛεοΩϦ͍ͤͨ͞ HAKATA.swift @ukitaka
twitter: @ukitaka_ github: @ukitaka Yuki Takahashi
ࣗݾհ ❤ ؔܕϓϩάϥϛϯάɺDDD ✏ ܕγεςϜɺίϯύΠϥ ϨΠϠʔ
ࠓͷ
͍͖ͳΓͰ͕͢ɺ ͜ΜͳέʔεΛߟ͑ͯΈΔ
Cellͷதͷ ϘλϯΛλοϓͨ͠Β Alert / ActionSheetग़͍ͨ͠
None
͋Γ͕ͪ
ຯʹΊΜͲ͍͘͞ • UIAlertControllerΛग़͢ʹViewControllerͰ ॲཧΛ͢Δඞཁ͕͋Δ • CellViewControllerͳΜͯΒͳ͍ • ViewControllerCellͷϘλϯΛ(ී௨)ࢀ র͍ͯ͠ͳ͍
Α͋͘Δରॲ๏ • DelegateΛҾճ͢ • ֊͕ਂ͘ͳΕͳΔ΄Ͳਏ͍ • ViewߏͷมԽʹऑ͍
ͳΜͱ͔͍ͨ͠
ݪʹཱͪฦͬͯMVC
MVCͰͲ͏͋Δ͖ʁ
None
None
ϢʔβΞΫγϣϯͷॲཧ • MVCʹ͓͚ΔControllerͷΑ͏ͳΦϒδΣΫ τʹ௨Λͯ͠ϢʔβΞΫγϣϯड͚ͱΔͷ ͕ී௨ • MVCʹݶΒͣɺͲͷΞʔΩςΫνϟͰ͋ͬͯ ಉ͡
௨Λ͠Α͏
ཧ
௨͢ΔଆΠϝʔδ .notifyΛݺͿ͚ͩ
௨Λड͚औΔଆΠϝʔδ ͍͍ײ͡ʹDelegateͰड͚औΕΔ
DelegateΛҾճ͢ඞཁ͕ͳ͍ DelegateύλʔϯͷΑ͏ͳ Πϝʔδ
ͦ͜Ͱ Responder Chain
= UIResponderͷ࿈ͳΓ
None
UIResponder • UIReponder = ϢʔβͷೖྗΛर͑Δͭ • ͋ΔsubviewͰΠϕϯτΛर͏ͱॲཧͰ͖Δͱ ͜Ζ·Ͱ࣍ʑʹॲཧΛճ͍ͯ͘͠ • self.next
Ͱ࣍ͷResponder͕औΕΔ = Responder Chain
None
UIResponder • ResponderChain্ʹવViewController ͍Δʂ • DelegateΛҾ͖ճ͢·Ͱͳ͘ɺ͢Ͱʹͭͳ ͕͍ͬͯΔ • ͜Εʹ͔ͬΕ͍͍ײ͡ʹViewControllerʹ ʮ௨ʯͰ͖ͦ͏ʂ
ͳΜ͔͑ͦ͏
Ͳ͏Δ͔ʁ
ActionΛఆٛ͢Δ
DelegateΛఆٛ͢Δ
ViewEventΛఆٛ͢Δ ୭͕ϋϯυϧ͢Δ͔ͱɺ Ͳ͏σΟεύον͢Δ͔ΛܾΊΔɻ
ViewEventΛఆٛ͢Δ
UIResponderΛ֦ு͢Δ Responder ChainΛḷͬͯɺ ΠϕϯτΛϋϯυϧͰ͖ΔͭΛݟ͚ͭΔ
ʂ
௨͢ΔଆΠϝʔδ .notifyΛݺͿ͚ͩ
௨Λड͚औΔଆΠϝʔδ ͍͍ײ͡ʹDelegateͰड͚औΕΔ
ཧͷੈք͕࣮ݱͨ͠
ྑ͍ • DelegateΛViewͷਂ͍֊·ͰҾճ͢ඞཁ͕ ͳ͘ͳͬͨ • Viewͷ֊͕มԽͨ͠ͱͯ͠ɺίʔυͷม ߋ͕ෆཁɻViewͷมߋʹڧ͍ɻ
มΘΒͳ͍ • ͋ΔΠϕϯτΛड͚औΔͨΊͷprotocol࣮ ͠ΕΛίϯύΠϧ࣌ʹݕग़Ͱ͖ͳ͍ • ͜ΕDelegateઃఆ͠ΕͰಉ͡ • ࣮ࡍʹಈ͔͢ or ςετͰΧόʔ
RxCocoaͷԠ༻
RxCocoa + Responder Chain • RxΛ͍ͬͯͯಉ͕͡ى͜Δ • RxDataSourcesΛ͍ͬͯͯɺCellͷதͷΠ ϕϯτर͑ͳ͍ •
Responder Chainʹྲྀͯ͠͠·͓͏
ukitaka/RxResponderChain
͍ํ
ࡶʹResponder Chainʹྲྀ͢ Ϙλϯ͕λοϓ͞ΕͨΒ
ࡶʹResponder Chainʹྲྀ͢ దͳܕʹมͯ͠
ࡶʹResponder Chainʹྲྀ͢ Responder Chainʹྲྀ͢
ࡶʹVCͰड͚औΔ ViewControllerͰ ܕΛࢦఆͯ͠ड͚औΔ
গ͚࣮ͩ͠ΛΈΔ
࣮ͷཪଆ ࠇຐज़ʹΑ֤ͬͯUIResponderΦϒδΣΫτʹ PublishSubjectΛ࣋ͨͤΔ
࣮ͷཪଆ self.rx.responderChain Λੜ͢
࣮ͷཪଆ ͜ͷΦϒδΣΫτObserverType
࣮ͷཪଆ ʹEvent͕ྲྀΕ͖ͯͨΒ ResponderChainΛḷͬͯ
࣮ͷཪଆ ͖ͬ͞ੜͨ͠PublishSubjectʹ ΠϕϯτΛྲྀ͢
࣮ͷཪଆ ड͚औΔͱ͖ܕͰfilter
·ͱΊ
ResponderChain • View → ViewControllerResponder Chainܨ ͕͍ͬͯΔ • ௨ʹ͑Δ /
ָʹॻ͚Δ / มߋʹڧ͍
͓ΘΓ