Macアプリを作って憶えるRxSwift

RxSwift勉強会発表資料です
http://connpass.com/event/27933/

Transcript

1. .BDΞϓϦΛ࡞ͬͯ
   Ա͑Δ3Y4XJGU 3Y4XJGUษڧձ
   4BOTBO
    !ZJNBKP
2. ࣗݾ঺հ w !ZJNBKP
   w ਓͰגࣜձࣾΩϡϦΦγςΟ ιϑτ΢ΣΞΛ΍͍ͬͯ·͢
   w TUBSH[SOFUͱ͍͏αΠτΛӡ Ӧ͍ͯ͠·͢
4. 3FBDUJWF
   4XJGU
   .FFUVQ ൃදͷ൒෼͘Β͍ͷਓ͕
   .77.ύλʔϯ΍qVYʹ͍ͭͯ࿩ͯͨ͠ͷ͸
   ͦ͜ʹڵຯ͕͋Δ͔Βʜ ͦ͏͍͑͹ࡢ೔ʹ͜Μͳͷ͋ͬͨΑͶ
5. ࿩͢͜ͱ w 3Y4XJGUͰ௒࣮༻తͳ.BDΞϓϦΛ࡞ͬͨͷͰॱ ংཱͯͯͦͷ࿩Λ͠·͢
   w .77.पลʹ͍ͭͯ΋࿩͠·͢
6. લఏ
7. w ࠷ۙ3Y4XJGUΛ࢝ΊͨʮʹΘ͔੎ʯͰ͍͟͝ ·͢
8. w ϦΞΫςΟϒϓϩάϥϛϯάʹ͍ͭͯ஌Βͳ͍ ਓ΋෼͔Δײ͡ͷઆ໌Λ͠·͢
9. w ؒҧ͍΋͋Δͱࢥ͏ͷͰಥͬࠐΜͰ΋Βͬͨ΄ ͏͕ಘΔ΋ͷ͕ଟ͍Ͱ͢
10. w 3Y$PDPB $PDPB
    &YUFOTJPOT ͷ࿩΋3Y4XJGUͱ ͯ͠࿩͠·͢
11. 3Y4XJGUͰ࡞ͬͨ.BD ΞϓϦͱ͸ʁ
12. %&.0 3Y4XJGU@4BOTBOͰπΠʔτ͢Δͱಈ͍͍ͯΔ͸ͣ ಈ͍ͯͳ͔ͬͨΒଈൃදऴྃ
13. εΫϦʔϯγϣοτ
14. ͜ͷΞϓϦͷཁ݅ͱ 3Y4XJGUΛ࢖࣮ͬͨ૷
15. ཁ݅
    ද͍ࣔͨ͠σΟεϓϨΠΛࣗಈݕग़ ͯ͠બͿ σΟεϓϨΠݕ஌ͰSY@OPUJpDBUJPO
16. SY@OPUJpDBUJPO w /4/PUJpDBUJPOͷSY@OPUJpDBUJPO࢖͏ͱΫϩʔ δϟʹ௨஌࣌Λड͚ͨࡍͷॲཧॻ͚Δ
    w EJTQPTF#BHΛ࢖͑Δ NSNotificationCenter.defaultCenter() .rx_notification(NSApplicationDidChangeScreenParametersNotification) .subscribeNext { [unowned self] _ in self.tableView.reloadData() } .addDisposableTo(disposeBag)
17. ཁ݅
    ݕࡧ͍ͨ͠ϋογϡλάΛೖྗͯ͠ ࣮ߦ SY@UFYU΍SY@UBQ
18. SY@UFYU w 3Y4XJGUͷجૅతͳ࢖͍ํ௨ΓWBMJEBUF
    w ݕࡧจࣈ͕͋Ε͹ݕࡧϘλϯΛ׆ੑԽ let searchValid = searchField.rx_text .map{ text -> Bool in 0 < text.characters.count } searchValid .bindTo(searchButton.rx_enabled) .addDisposableTo(disposeBag)
19. SY@UBQ w 3Y4XJGUͷجૅతͳ࢖͍ํ௨ΓTVCTDSJCF/FYU
    w ͚Ͳ࣮͸େͨ͜͠ͱ͠ͳ͍ͳΒ!*#"DUJPOͰ͍͍ʢͳΜͰ΋SYͱ͍ ͏ͷ͸όϥϯε͕ѱ͍൑அͩͱࢥ͏ʣ searchButton.rx_tap .subscribeNext { [unowned self] in // ͜͜ʹtap͞Εͨॲཧॻ͘ } .addDisposableTo(disposeBag)
20. ཁ݅
    
    πΠʔτΛӈ͔Βࠨʹ "1*ͷ݁ՌΛ1VCMJTI4VCKFDU
21. 5XJUUFS
    "1*ͷ݁ՌΛ1VCMJTI4VCKFDU w πΠʔτ͕ݟ͔ͭͬͨΒPO/FYU
    w "1*ͷΤϥʔͳΒPO&SSPS
    w ͦΕΛ4VCTDSJCFͯ͠7JFXΛ࡞Δ
22. ཁ݅
    
    ΞϓϦͷঢ়ଶ΋πΠʔτͷΑ͏ʹը ໘ʹදࣔͯ͋͛͠Δ 0CTFSWBCMFΛJOUFSWBMͰఆظతʹ
23. JOUFSWBMͰఆظతʹ0CTFSWBCMFͳ΋ͷΛ w ඵ͝ͱʹ"OOPVODF͍ͬͯ͏4USVDUΛ࡞Δ return Observable<Int> .interval(60.0, scheduler: MainScheduler.instance) .map { _ in return Announce(id: NSUUID().UUIDString, text: announceText) }
24. ͭͷετϦʔϜΛNFSHF͢Δ ཁ݅
    
    ʮπΠʔτʯ΋ʮΞϓϦ͔Βͷ৘ใ௨஌ʯ΋
    σΟεϓϨΠӈ͔Βࠨʹྲྀ͢ͷͰҰͭͷ
    ετϦʔϜʹͳͬͯΕ͹͍͍
25. NFSHF 5XJUUFS
    "1*
    ઒
    1VCMJTI4VCKFDU$PNNFOU5ZQF ΞϓϦͷϝοηʔδ઒
    0CTFSWBCMF$PNNFOU5ZQF $PNNFOU5ZQFͱ͍͏ϓϩτίϧͭ͘Δ &MFNFOU͕ಉ͡͡Όͳ͍ͱNFSHFͰ͖ͳ͍ͷͰ
26. // Commentϓϩτίϧ protocol CommentType { func type() -> Comment func identifier() -> String func message() -> String func imageURL() -> NSURL? } enum Comment { case Tweet case Announce } // TweetΛJSON͔ΒΤϯςΟςΟԽ // HimotokiͷDecodableΛܧঝ struct Tweet: Decodable { //…লུ… } // ϓϩτίϧͷ࣮૷෦ extension Tweet: CommentType { //…লུ… } // ΞϓϦ͔Βͷϝοηʔδ৘ใ struct Announce: CommentType { //…লུ… }
27. ౧ϓϩτίϧʹै͍ͬͯ͑͞Ε͹͍͍
28. NFSHFͱ͔
    ετϦʔϜ߹੒ͷྑ͞ʹ͍ͭͯ
    ΋͏গ͠
    ʢ௒ࢲݟʣ
29. ϝιουGͷݺͼग़͠ ϝιουGͷݺͼग़͠ ϝιουGͷݺͼग़͠ ϝιουGͷݺͼग़͠ ॲཧ" ॲཧ#ͱ৚݅ ௨஌$ ॲཧ"ͷετϦʔϜ ॲཧ#ͷετϦʔϜ ௨஌$ͷετϦʔϜ ϦΞΫςΟϒ
    ϓϩάϥϛϯά෩ͳ ϝιουΛ
    ౎౓ݺͼग़͢ͱ
30. Ͱ
    ͜ͷ.BDΞϓϦ͍ͭ
    ϦϦʔε͢ΔΜͰ͢ʁ
31. ʜϦϦʔε͠ͳ͍
    ʢ.BDͷσϕϩούϥΠηϯε͸ ࣋ͬͯͳ͍͠ʣ
32. ҆৺ͯ͠Լ͍͞
33. ίʔυ͸ެ։͞Ε͍ͯ·͢ IUUQTHJUIVCDPNZJNBKP.FFUVQ5XFFU ˒Λ͚ͭͯ๨Εͳ͍Α͏ʹ͓ͯ͘͠ͱྑ͍Ͱ͢Ͷ
34. ࣍ʹ
    ެ։͞ΕͨίʔυΛར༻͢ΔͨΊͷ࿩ IUUQTHJUIVCDPNZJNBKP.FFUVQ5XFFU
35. 5XJUUFSͷ"1*
    ,FZͱ 4FDSFU͕ඞཁͰ͢ IUUQTHJUIVCDPNZJNBKP.FFUVQ5XFFU
36. Ϋϥεߏ੒͸ʁ
    3Y4XJGU࢖ͬͨ.77.ͳͷʁ
37. 5XJUUFSͷ,FZೖྗ͸.77. "VUI
    7JFX.PEFM w $POTVNFS,FZͱ 4FDSFUΛWBMJEBUF͢Δ
    w ໰୊ͳͦ͞͏ͳΒϒϥ ΢βىಈ͢Δ "VUI
    7JFX$POUSPMMFS w $POTVNFS,FZͱ 4FDSFUΛೖྗͤ͞
    w "VUI7JFX.PEFMʹ 0"VUI4XJGU w 0"6UIͷ ॺ໊Λ࡞੒ Ͱ͖Δ
38. 5XFFU4FBSDI
    7JFX$POUSPMMFS $PNNFOU'MPX
    1SFTFOUFS w 6*͔ΒͷΠϕϯτΛॲཧ
    w ݕࡧ͢ΔจݴΛೖྗ
    w දࣔ͢Δը໘ΛબͿ w 5XFFU4USFBN"1*ͷ 6TF$BTFΛݺͼग़͢
    w "OOPVODF6TF$BTFΛݺ ͼग़͢
    w NFSHF͠TVCTDSJCF
    w 7JFXʹͯ͠ը໘্ʹྲྀ͢ 5XJUUFS4USFBN"1*
    6TF$BTF w 5XJUUFS4USFBN
    "1*Λݺ ͼग़͠1VCMJTI4VCKFDU "OOPVODF
    6TF$BTF w ΞϓϦ͕ࣗಈͰදࣔ͢Δ ίϝϯτΛ0CTFSWBCMF ʹ 1SFTFOUBUJPO૚ %PNBJO૚ *OGSB૚ 5XJUUFS"1* )JNPUPLJ 5XFFUදࣔ͸ϨΠϠʔυ෩ΞʔΩςΫνϟ ࢀߟ
    IUUQTUFDISFDSVJUNQDPKQNPCJMFQPTU w )JNPUPLJ͸͍͍ͧ w 4USFBN"1* Λݺͼग़ͤΔ
39. 8IZ
    ϨΠϠʔυ෩ΞʔΩςΫνϟ w ΋͏.PEFMͱ͍͏༻ޠ࢖͏ͷ΍Ί·ͤΜʁ
    w ௕͘ͳΔͷͰ࠙਌ձͰ࿩͠·͠ΐ͏
40. ·ͱΊ
41. खΛಈ͔͞ͳ͍ͱ3Y4XJGUΛशಘ͢Δͷ͸
    ೉͍͠ ʮNFSHFͬͯҙຯෆ໌͚ͩͬͨͲ͜͜Ͱ࢖͏ͷ͔ʯ
42. ͔͠͠࢓ࣄͰѻ͍ͬͯΔϓϩμΫγϣϯʹ
    ͍͖ͳΓೖΕΔͷ΋೉͍͠ 3YʹϩοΫΠϯͯ͠͠·͏ϦεΫ
43. 3Y4XJGU࢖ͬͨ
    J1IPOFΞϓϦΛ࡞Ζ͏ͱࢥͬͯ΋ཉ͍͠΋ͷ ͸͢Ͱʹ͋ͬͨΓ͢Δ
44. ͩͬͨΒ
    .BDΞϓϦ࡞Γ·͠ΐ͏
    .BD࢖ͬͯͯෆศͩͱࢥ͏Α͏ͳ͜ͱ͋Δͱ ࢥ͏
45. ࡞Γ͍ͨ.BDΞϓϦ͕ͳ͍
    ˣ
    !ZJNBKP͕3Y4XJGUؚΉ
    ٕज़ΞυόΠε੥͚ෛ͍·͢Αʂʂ
    ͝૬ஊԼ͍͞
46. ͓ΘΓ ܁Γฦ͠ʹͳΓ·͕͢
    ˒Λ͚ͭͯ๨Εͳ͍Α͏ʹ͓͖ͯ͠
    Ջͳ࣌ʹ1VMM
    3FRVFTU͘ΕΔͱخ͍͠Ͱ͢ IUUQTHJUIVCDPNZJNBKP.FFUVQ5XFFU