ReactiveCococaのMVVMで綺麗なコードができるのか.pdf

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1. ReactiveCococaͷMVVMͰ៉ ྷͳίʔυ͕Ͱ͖Δͷ͔ @tomohisa Tomohisa Takaoka 2014/6/27
3. डୗ։ൃ ʴ ΤϯλʔϓϥΠζ J-Tech Creations, Inc www.jtechs.com follow me @tomohisa
4. ຊ೔ͷεϖγϟϧίϯςϯπ Twitter @tomohisa ͔ΒͲ͏ͧ follow me @tomohisa
5. iOSΞϓϦͷ։ൃख๏ MVCύλʔϯ
6. •View - xib, Storyboard •Controller - UIViewController •Model (ಠࣗʹ࡞੒͢Δ) https://developer.apple.com/jp/devcenter/ios/library/japanese.html ͜ͷυΩϡϝϯτ͕ྑ͍ײ͡ͰMVCΛઆ໌͍ͯ͠·͢
7. ViewController͕େ͖͘ͳΓ͗͢Δʂ ※OSXʹ͸ɺCocoaόΠϯσΟϯάͱ͍͏ ViewͱσʔλΛ݁߹ͤ͞Δػೳ͕͋Δ͕ɺ iOSʹ͸ଘࡏ͠ͳ͍
8. ࣾ಺༻ͷλΠϜγʔτ؅ཧΞϓϦ
9. Background : parse.com Ϣʔβʔ؅ཧͳͲ΍ͬͯ͘ΕΔ
10. ViewControllerʹσʔλऔಘͷίʔυ͕ͪ͝Ό·ͥ vVC (ංେԽͨ͠Ϗϡʔίϯτϩʔϥʔ)ʹͳͬͯ͠·ͬͨ
11. ReactiveCocoa Λ࢖ͬͯ MVVM ʹॻ͖׵͑Δ
12. ReactiveCocoaͱ͸ʁ Function Reactive Programming (FRP) ΛObjective-CͰ࣮ݱ͢ΔͨΊͷϑϨʔϜϫʔΫ https://github.com/ReactiveCocoa/ReactiveCocoa
13. http://maoe.hatenadiary.jp/entry/20100109/1263059731
14. MVVMͱ͸ http://www.teehanlax.com/blog/model-view-viewmodel-for-ios/
15. MVC MVVM ViewController͸ɺେ͖ͳҙຯͰͷ VʹؚΉ
16. M V VM Model ViewController + IB ViewModel
17. M V VM Model 1.
18. Ϟσϧͷ෼཭ํ๏ View, ViewModel͔Β෼཭͢Δ
19. Ϟσϧͷ෼཭ํ๏̍ σʔλ(JSONͳͲͰදݱ͞ΕΔΦϒδΣΫτ) ֤σʔλΛද͢ΫϥεΛ࡞Δ JSON, XML, ParseObject ͳͲͷ DictionaryΞΫηεΛແ͘͢ ͪΌΜͱܕΛ࡞Δ σʔλʹ༝དྷ͢ΔϩδοΫ͸͜͜ʹॻ͘ ʢྫ͑͹̎఺ͷڑ཭ΛٻΊͨΓɺΦϒδΣΫτ಺Ͱܭࢉ͠ ͨΓ͢Δ͹͍͋ʣ
20. worktime[“startedTime”] = [NSDate date]; worktime.startedTime = [NSDate date]; × ◦
21. Ϟσϧͷ෼཭ํ๏̎ σʔλͷಡΈॻ͖ͳͲڞ௨Ͱ࢖͑Δػೳ (Downloader, Uploader, Calculator, Aggregator) ! σʔλͷશମ͔ΒΞϓϦ಺Ͱूܭ͍ͨ͠ͳͲ μ΢ϯϩʔυ͢ΔػೳͳͲ ※parse sdkʹඞཁͳػೳ͕͋ͬͨͷͰࠓճ͸࡞੒ͤͣ
22. Ϟσϧͷ෼཭ํ๏̏ ΞϓϦʹ݁߹͢Δ΋ͷ (ઃఆϑΝΠϧɺConstͳͲ) AppDelegateʹmodelϑΝΠϧΛ࣋ͨͤΔ AppDelegateʹͪ͝Όͪ͝Ό͔͔ͳ͍ʂ ΞϓϦͱͯ͠อ͍࣋ͯ͠Δσʔλ
23. ࢖͏ͱ͖ એݴ ΞϓϦʹ݁߹͢ΔmodelΛ࡞੒͢Δ
24. M V VM View Model 2.
25. https://github.com/ReactiveCocoa/ReactiveViewModel
27. RACCommand: ଞͷΦϒδΣΫτ͔Β࣮ߦग़དྷΔɻ ඇಉظॲཧͷ௨஌Λड͚Δ͜ͱ΋Մೳ RACSignal: ௨஌ͷγάφϧΛड͚Δ͜ͱ͕Ͱ͖Δ KVOͰड͚औͬͨΒΓɺ௨஌ͷޙʹ͞Β ʹ࣍ͷ࡞ۀΛఆٛ͢Δ͜ͱ΋Մೳ
28. M V VM View and ViewController 3.
29. ViewModelΛ࡞੒ͯ͠ɺViewModelͱViewΛόΠϯυ͢Δ
30. ϘλϯԡԼͷΠϕϯτΛViewModel ͷRACCommandͱؔ࿈෇͚Δ
31. ςΩετೖྗ࣌ʹViewModelͷσʔλΛߋ৽ ViewModel಺ͰNoteͷߋ৽Λ؂ࢹ͠ɺߋ৽Λֻ͚Δ
32. ྑ͔ͬͨ఺ •ViewModel಺ʹ͸UIίʔυ͕ͳ͍ͨΊɺUnitTest͕Մೳ •ViewModelʹStatusͳͲΛ࣋ͨͤɺදࣔΛௐ੔͢Δͷ͕ ༰қͦ͏ •ͦΕͧΕͷίʔυ͕෼཭͍ͯ͠ΔͷͰ෼͔Γ΍͍͢ •σʔλͷνΣοΫͳͲΛ૊ΈࠐΊΔ •εϨουͷ؅ཧͳͲ͕ߦΘΕ͍ͯΔͨΊɺόοΫάϥ ΢ϯυͰUI͕มߋ͞ΕΔͳͲͷ໰୊͕͋·Γग़ͳͦ͞ ͏
33. Cons - ѱ͍఺ •ΊΜͲ͍͘͞ •Θ͔Γʹ͍͘ •ObjCͷػೳΛશ໘తʹ࢖͍ͬͯΔͷͰɺSwift͚ͩͰͲ Ε͚ͩग़དྷΔͷ͔ʁ •ReactiveCocoaΛೖΕΔͱϓϩδΣΫτ͕ॏ͘ͳΔϏϧ υʹ΍ͨΒ͕͔͔࣌ؒΔ •ॳΊͯ਺೔͚ͩͲ·ͩ෼͔Βͳ͍ڍಈ͕͋Δ ɹʢ෼͔Δਓ͍ͨΒڭ͍͑ͯͩ͘͞ʣ
34. ૯ׅɿ େن໛ʹͳΕ͹ɺྑ͍΋ͷ͕ͭ͘Εͦ͏ɻ डୗ͕๩͍࣌͠ʹϓϩδΣΫτΛख఻ͬ ͯͩ͘͞ΔϑϦʔϥϯε͞Μืूதʂ