Swiftにわか勢な自分がMacアプリを作ってRxSwiftを使えるようになった話

Macアプリのリポジトリ
https://github.com/yimajo/MeetupTweet

potatotips#28
http://potatotips.connpass.com/event/28780/

Transcript

1. QPUBUPUJQT
    !ZJNBKP 4XJGUʹΘ͔੎ͳࣗ෼͕
   .BDΞϓϦΛ࡞ͬͯ3Y4XJGUΛ
   ࢖͑ΔΑ͏ʹͳͬͨ࿩
2. <          > ͜ͷ"SSBZͷҙຯ
   Θ͔Γ·͔͢ʁ
3. -ਖ਼ղ͸- ࢲ͕potatotipsͰൃදͨ͠ճͷ൪߸ΛArrayʹ͚ͨͩ͠ <          > ͜ͷ"SSBZͷҙຯ
   Θ͔Γ·͔͢ʁ
4. ࣗݾ঺հ w !ZJNBKP
   w QPUBUPUJQTճ໨ͷൃද
   w Έͳ͞Μొ࿥ͯ͠Δͱ͸ࢥ͏Μ Ͱ͕͢TUBSH[SOFUͱ͍͏αΠ τΛӡӦ͍ͯ͠·͢
   w ΠϯλϏϡʔ͞Εͯ΋ྑ͍Αͱ ͍͏ํ͕͍Ε͹ڭ͑ͯԼ͍͞
5. ϦΫϧʔτ͞Μͷ5FDI
   -BC
   1"",ͱ͍͏
   ແྉͷίϫʔΩϯάεϖʔεΛ͓आΓͯ͠ίʔυॻ͍͍ͯ·͢
6. ࿩͢͜ͱ w 3Y4XJGUͰ௒࣮༻తͳ.BDΞϓϦΛ࡞ͬͨͷͰॱ ংཱͯͯͦͷ࿩Λ͠·͢
7. લఏ
8. w 3Yʹ͍ͭͯ஌Βͳ͍ਓ΋෼͔Δײ͡ͷઆ໌Λ͠ ·͢
9. w ؒҧ͍΋͋Δͱࢥ͏ͷͰ۩ମతʹಥͬࠐΜͰ΋ Βͬͨ΄͏͕ಘΔ΋ͷ͕ଟ͍Ͱ͢
10. w 3Y$PDPB $PDPB
    &YUFOTJPOT ͷ࿩΋3Y4XJGUͱ ͯ͠࿩͠·͢
11. 3Y4XJGUͰ࡞ͬͨ.BD ΞϓϦͱ͸ʁ
12. %&.0 QPUBUPUJQTͰπΠʔτ͢Δͱಈ͍͍ͯΔ͸ͣ ಈ͍ͯͳ͔ͬͨΒଈൃදऴྃ
    ʢϒϩά࿮తʹ͜ͷࣸਅΛࡱ͓ͬͯ͘ͱө͑·͢ʣ
13. εΫϦʔϯγϣοτ
14. ͜ͷΞϓϦͷಛ௃ͱ 3Y4XJGUΛ࢖࣮ͬͨ૷
15. ಛ௃
    ൃද࣌͸ϚϧνσΟεϓϨΠͳͷͰ
    ࣗಈݕग़ͯ͠දࣔ͢Δ΋ͷΛબͿ 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. ಛ௃
    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. ಛ௃
    
    πΠʔτΛӈ͔Βࠨʹ 8FC
    "1*ͷ݁ՌΛ1VCMJTI4VCKFDU
21. 5XJUUFS
    "1*ͷ݁ՌΛ1VCMJTI4VCKFDU w πΠʔτ͕ݟ͔ͭͬͨΒPO/FYU
    w "1*ͷΤϥʔͳΒPO&SSPS
    w ͦΕΛ4VCTDSJCFͯ͠7JFXΛ࡞Δ
22. ಛ௃
    
    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. ͭͷετϦʔϜΛ߹੒͢Δ ಛ௃
    
    ʮπΠʔτʯ΋ʮΞϓϦ͔Βͷ৘ใ௨஌ʯ΋
    σΟεϓϨΠӈ͔Βࠨʹྲྀ͢
25. NFSHF 5XJUUFS
    "1*
    ઒
    1VCMJTI4VCKFDU$PNNFOU5ZQF ΞϓϦͷϝοηʔδ઒
    0CTFSWBCMF$PNNFOU5ZQF $PNNFOU5ZQFͱ͍͏ϓϩτίϧͭ͘Δ &MFNFOU͕ಉͩ͡ͱNFSHFͰ͖ΔͷͰ
26. // ϓϩτίϧ protocol CommentType { func type() -> Comment func identifier() -> String func message() -> String func imageURL() -> NSURL? } enum Comment { case Tweet case Announce } // TweetΛJSON͔ΒΤϯςΟςΟԽ // HimotokiͷDecodableΛܧঝ struct Tweet: Decodable { //…লུ… } // ϓϩτίϧͷ࣮૷෦ extension Tweet: CommentType { //…লུ… } // ΞϓϦ͔Βͷϝοηʔδ৘ใ struct Announce: CommentType { //…লུ… }
27. ౧ϓϩτίϧʹै͍ͬͯ͑͞Ε͹͍͍
28. Ͱ
    ͜ͷ.BDΞϓϦ͍ͭ
    ϦϦʔε͢ΔΜͰ͢ʁ
29. ͓ߴ͍ΜͰ͠ΐ͏
30. ʜϦϦʔε͸͠ͳ͍ʂʂ
    ʢ.BDͷσϕϩούϥΠηϯε͸ ࣋ͬͯͳ͍͠ʣ
31. ίʔυ͸ެ։ͯ͠·͢ IUUQTHJUIVCDPNZJNBKP.FFUVQ5XFFU ˒Λ͚ͭͯ๨Εͳ͍Α͏ʹ͓ͯ͘͠ͱྑ͍Ͱ͢Ͷ
32. ࣍ʹ
    ެ։͞ΕͨίʔυΛར༻͢ΔͨΊͷ࿩ IUUQTHJUIVCDPNZJNBKP.FFUVQ5XFFU
33. 5XJUUFSͷ"1*
    ,FZͱ 4FDSFU͕ඞཁͰ͢ IUUQTHJUIVCDPNZJNBKP.FFUVQ5XFFU
34. 5XFFU4FBSDI
    7JFX$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
35. ·ͱΊ
36. खΛಈ͔͞ͳ͍ͱ3Y4XJGUΛशಘ͢Δͷ͸
    ೉͍͠ ʮNFSHFͬͯҙຯෆ໌͚ͩͬͨͲ͜͜Ͱ࢖͏ͷ͔ʯ
37. ͔͠͠࢓ࣄͰѻ͍ͬͯΔϓϩμΫγϣϯʹ
    ͍͖ͳΓೖΕΔͷ΋೉͍͠ 3YʹϩοΫΠϯͯ͠͠·͏ϦεΫ
38. 3Y4XJGU࢖ͬͨ
    J1IPOFΞϓϦΛ࡞Ζ͏ͱࢥͬͯ΋ཉ͍͠΋ͷ ͸͢Ͱʹ͋ͬͨΓ͢Δ
39. ͩͬͨΒ
    .BDΞϓϦ࡞Γ·͠ΐ͏
    .BD࢖ͬͯͯෆศͩͱࢥ͏͜ͱΛղܾ͠Α͏
40. ࡞Γ͍ͨ.BDΞϓϦ͕ͳ͍
    ˣ
    !ZJNBKP͕3Y4XJGUؚΉ
    ٕज़ΞυόΠε੥͚ෛ͍·͢Αʂʂ
    ͝૬ஊԼ͍͞
41. ͓ΘΓ ܁Γฦ͠ʹͳΓ·͕͢
    ˒Λ͚ͭͯ๨Εͳ͍Α͏ʹ͓ͯ͘͠ͱ͍͍ͷ͔΋
    Ջͳ࣌ʹ1VMM
    3FRVFTU͘ΕΔͱخ͍͠Ͱ͢ IUUQTHJUIVCDPNZJNBKP.FFUVQ5XFFU