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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1. tvOSͷϦετܥͷΠϯ σοΫεϥϕϧΛࣗ࡞ͯ͠ ΈΔ Swi!Ѫ޷ձ vol24 Nov 20, 2017 Toshihiro Suzuki

   © Toshihiro Suzuki 2017 1

2. whoami — ླ໦ ढ़༟ (@toshi0383) — ձࣾͰ͸ͱͬ͠ʔ͞Μ — iOS/tvOS dev

   at AbemaTV — GT SPORTS, F1 ! © Toshihiro Suzuki 2017 2

3. Latest News © Toshihiro Suzuki 2017 3

4. tools and apps © Toshihiro Suzuki 2017 4

5. tvOSͷAccelerated Scrollʹ͍ͭͯ࿩͠·͢ © Toshihiro Suzuki 2017 5

6. Accelerated Scroll (ߴ଎εΫϩʔϧ) tvOS10.2͔Β௥Ճ εΫϩʔϧ͕ॎʹ௕͍৔߹ʹɺ — ಉ͡ํ޲ʹԿ౓΋εϫΠϓ — λοναʔϑΣεӈ୺Λ্ԼʹεϫΠϓ ͷ͍ͣΕ͔ͰൃՐɻ

   ඪ४Ͱ༗ޮʹͳ͍ͬͯͯɺແޮʹ͸Ͱ͖ͳ͍ɻ © Toshihiro Suzuki 2017 6

7. Accelerated Scroll © Toshihiro Suzuki 2017 7

8. ϦετܥͷΠϯσοΫεϥϕϧ UITableView/UICollectionViewͰ͸ϥϕϧΛઃ ఆՄೳ delegateͰϥϕϧͱͦΕʹରԠ͢ΔIndexPath Λฦ͢ɻ © Toshihiro Suzuki 2017 8

9. ϥϕϧʹରԠ͢Δ IndexPathʹҰؾʹδϟ ϯϓͰ͖ͯͱͯ΋ศར © Toshihiro Suzuki 2017 9

10. ͦͷࠒAbemaTVͷ൪૊ද͸.. ೔෇ͷมߋͷͨΊʹ࠶ੜϘλϯΛ࢖Θ͍ͤͯ Δɻ © Toshihiro Suzuki 2017 10

11. ՝୊ ຊདྷͰ͋Ε͹࠶ੜϘλϯ͸൪૊ද͔Βͷ௚઀࠶ ੜʹׂΓ౰͍ͯͨͱ͜Ζ ΠϯσοΫεϥϕϧʹ೔෇มߋͷػೳΛ೚ͤΕ ͹ɺ௚઀࠶ੜΛղ์Ͱ͖ͦ͏ɻ © Toshihiro Suzuki 2017 11

12. ࣮ࡍʹdelegateΛ࣮૷͠ ͯΈͨ © Toshihiro Suzuki 2017 12

13. © Toshihiro Suzuki 2017 13

14. ໰୊ — ϑΥϯτ΍എܠ৭ɺදࣔҐஔΛࢦఆͰ͖ͳ͍ — ͔Ϳͬͯͱͯ΋ݟͮΒ͍ — ൒֯5จࣈ͘Β͍͕ݶ౓ͰɺͦΕҎ্ͩͱ truncate͞Εͨ ! ©

    Toshihiro Suzuki 2017 14

15. Ͳ͏ͨ͠Β͍͍ͷ͔ © Toshihiro Suzuki 2017 15

16. ղܾࡦͦͷ1: ඇදࣔʹ͢Δ ߴ଎εΫϩʔϧ͸ແޮʹͰ͖ͳ͍͕ɺΠϯσο ΫεΛඇදࣔʹ͢Δ͜ͱ͸Ͱ͖Δɻ if #available(tvOS 10.2, *) { collectionView.indexDisplayMode

    = .alwaysHidden } ΋ͪΖΜ൪૊දͷέʔεͰ͸͜Εͩͱ࠶ੜϘλ ϯׂΓ౰ͯ໰୊ͷղܾʹ͸ͳ͍ͬͯͳ͍ɻ © Toshihiro Suzuki 2017 16

17. ղܾࡦͦͷ2: ࣗ࡞͢Δ — ӈ୺ͷεϫΠϓΛݕ஌͢Δ — ΠϯσοΫεΛεΫϩʔϧ͍ͯ͠Δؒ΋εϫ ΠϓʹεΫϩʔϧ͕൓Ԡ͢Δ — ӈ୺Λ্Լʹυϥοά͍ͯ͠Δؒ͸ɺεΫ ϩʔϧ͕Ճ଎ͯ͠Ұؾʹδϟϯϓ͢Δ

    — ΠϯσοΫεͷදࣔ/ඇදࣔ͸एׯlazyʹ൓Ԡ ͢Δ © Toshihiro Suzuki 2017 17

18. ݁ߏྑ͘Ͱ͖ͯΔ ! © Toshihiro Suzuki 2017 18

19. ͪΐͬͱ͚ͩؤுͬͯΈͨ © Toshihiro Suzuki 2017 19

20. ࣮૷ ৄ͘͠͸ɺGitHubʹ্͛ͯ͋ΔαϯϓϧΛ͝ཡ ͍ͩ͘͞ɻ(ਵ࣌ߋ৽தɻɻ https://github.com/toshi0383/GestureTV © Toshihiro Suzuki 2017 20

21. ӈ୺ͷ্ԼεϫΠϓͲ͏ ΍ͬͯऔಘ͢Δͷʁ © Toshihiro Suzuki 2017 21

22. tvOS Advent CalendarͰެ։༧ఆʂ ॻ͍ͯ͘ΕΔਓ΋ืूத https://qiita.com/advent-calendar/2017/tvos © Toshihiro Suzuki 2017 22

23. ·ͱΊ — tvOSͷϦετܥͷΠϯσοΫεϥϕϧΛࣗ࡞ ͯ͠Έ·ͨ͠ɻ — Πϕϯτ͑͞औΕΕ͹ɺ͋ͱ͸ͳΜͱ͔ͳΓ ͦ͏ɻ — ͜ΕͰগ͠͸൪૊ද͕࢖͍΍͘͢ͳΔ..ʁ —

    Advent CalendarΛ্ཱͪ͛ͳ͔ͬͨΒ͜͜ ·Ͱ΍͍ͬͯͳ͔͔ͬͨ΋ © Toshihiro Suzuki 2017 23

24. We're hiring © Toshihiro Suzuki 2017 24