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tvOSのリスト系のインデックスラベルを自作してみる
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toshi0383
November 20, 2017
Programming
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tvOSのリスト系のインデックスラベルを自作してみる
Swift愛好会 vol24での発表資料です。
https://love-swift.connpass.com/event/67581
toshi0383
November 20, 2017
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Transcript
tvOSͷϦετܥͷΠϯ σοΫεϥϕϧΛࣗ࡞ͯ͠ ΈΔ Swi!Ѫձ vol24 Nov 20, 2017 Toshihiro Suzuki
© Toshihiro Suzuki 2017 1
whoami — ླ ढ़༟ (@toshi0383) — ձࣾͰͱͬ͠ʔ͞Μ — iOS/tvOS dev
at AbemaTV — GT SPORTS, F1 ! © Toshihiro Suzuki 2017 2
Latest News © Toshihiro Suzuki 2017 3
tools and apps © Toshihiro Suzuki 2017 4
tvOSͷAccelerated Scrollʹ͍ͭͯ͠·͢ © Toshihiro Suzuki 2017 5
Accelerated Scroll (ߴεΫϩʔϧ) tvOS10.2͔ΒՃ εΫϩʔϧ͕ॎʹ͍߹ʹɺ — ಉ͡ํʹԿεϫΠϓ — λοναʔϑΣεӈΛ্ԼʹεϫΠϓ ͷ͍ͣΕ͔ͰൃՐɻ
ඪ४Ͱ༗ޮʹͳ͍ͬͯͯɺແޮʹͰ͖ͳ͍ɻ © Toshihiro Suzuki 2017 6
Accelerated Scroll © Toshihiro Suzuki 2017 7
ϦετܥͷΠϯσοΫεϥϕϧ UITableView/UICollectionViewͰϥϕϧΛઃ ఆՄೳ delegateͰϥϕϧͱͦΕʹରԠ͢ΔIndexPath Λฦ͢ɻ © Toshihiro Suzuki 2017 8
ϥϕϧʹରԠ͢Δ IndexPathʹҰؾʹδϟ ϯϓͰ͖ͯͱͯศར © Toshihiro Suzuki 2017 9
ͦͷࠒAbemaTVͷ൪ද.. ͷมߋͷͨΊʹ࠶ੜϘλϯΛΘ͍ͤͯ Δɻ © Toshihiro Suzuki 2017 10
՝ ຊདྷͰ͋Ε࠶ੜϘλϯ൪ද͔Βͷ࠶ ੜʹׂΓ͍ͯͨͱ͜Ζ ΠϯσοΫεϥϕϧʹมߋͷػೳΛͤΕ ɺ࠶ੜΛղ์Ͱ͖ͦ͏ɻ © Toshihiro Suzuki 2017 11
࣮ࡍʹdelegateΛ࣮͠ ͯΈͨ © Toshihiro Suzuki 2017 12
© Toshihiro Suzuki 2017 13
 — ϑΥϯτഎܠ৭ɺදࣔҐஔΛࢦఆͰ͖ͳ͍ — ͔ͿͬͯͱͯݟͮΒ͍ — ֯5จࣈ͘Β͍͕ݶͰɺͦΕҎ্ͩͱ truncate͞Εͨ ! ©
Toshihiro Suzuki 2017 14
Ͳ͏ͨ͠Β͍͍ͷ͔ © Toshihiro Suzuki 2017 15
ղܾࡦͦͷ1: ඇදࣔʹ͢Δ ߴεΫϩʔϧແޮʹͰ͖ͳ͍͕ɺΠϯσο ΫεΛඇදࣔʹ͢Δ͜ͱͰ͖Δɻ if #available(tvOS 10.2, *) { collectionView.indexDisplayMode
= .alwaysHidden } ͪΖΜ൪දͷέʔεͰ͜Εͩͱ࠶ੜϘλ ϯׂΓͯͷղܾʹͳ͍ͬͯͳ͍ɻ © Toshihiro Suzuki 2017 16
ղܾࡦͦͷ2: ࣗ࡞͢Δ — ӈͷεϫΠϓΛݕ͢Δ — ΠϯσοΫεΛεΫϩʔϧ͍ͯ͠Δؒεϫ ΠϓʹεΫϩʔϧ͕Ԡ͢Δ — ӈΛ্Լʹυϥοά͍ͯ͠ΔؒɺεΫ ϩʔϧ͕Ճͯ͠Ұؾʹδϟϯϓ͢Δ
— ΠϯσοΫεͷදࣔ/ඇදࣔएׯlazyʹԠ ͢Δ © Toshihiro Suzuki 2017 17
݁ߏྑ͘Ͱ͖ͯΔ ! © Toshihiro Suzuki 2017 18
ͪΐͬͱ͚ͩؤுͬͯΈͨ © Toshihiro Suzuki 2017 19
࣮ ৄ͘͠ɺGitHubʹ্͛ͯ͋ΔαϯϓϧΛ͝ཡ ͍ͩ͘͞ɻ(ਵ࣌ߋ৽தɻɻ https://github.com/toshi0383/GestureTV © Toshihiro Suzuki 2017 20
ӈͷ্ԼεϫΠϓͲ͏ ͬͯऔಘ͢Δͷʁ © Toshihiro Suzuki 2017 21
tvOS Advent CalendarͰެ։༧ఆʂ ॻ͍ͯ͘ΕΔਓืूத https://qiita.com/advent-calendar/2017/tvos © Toshihiro Suzuki 2017 22
·ͱΊ — tvOSͷϦετܥͷΠϯσοΫεϥϕϧΛࣗ࡞ ͯ͠Έ·ͨ͠ɻ — Πϕϯτ͑͞औΕΕɺ͋ͱͳΜͱ͔ͳΓ ͦ͏ɻ — ͜ΕͰগ͠൪ද͕͍͘͢ͳΔ..ʁ —
Advent CalendarΛ্ཱͪ͛ͳ͔ͬͨΒ͜͜ ·Ͱ͍ͬͯͳ͔͔ͬͨ © Toshihiro Suzuki 2017 23
We're hiring © Toshihiro Suzuki 2017 24