iOSには無いmacOS独自機能をCatalystで実装する #iosdc #d/make_macos_apps_with_catalyst

これまではmacOSのアプリケーションを開発しようと思うとAppKitというUIKitとは異なるframeworkを利用する必要がありiOSアプリの開発とは勝手が異なりました。​
そんな中WWDC 2018でmacOS Mojaveの一部のアプリケーションにUIKitをmacOSに対応したアプリケーションが搭載されることが発表されました。
さらに、翌年のWWDC 2019にてその機能が開発者向けに「Project Catalyst」として公開されました。
Catalyst対応はXcodeでチェックを一つ入れるだけで簡単にビルドをすることが可能です。
しかし、macOSらしいアプリケーションを作ろうと思うとすべきことが色々とあります。
WWDCでもサイドバーのUIをmacOSらしくする方法などが紹介されていましたが、WWDCで紹介されなかった機能がいくつもあります。
CatalystにおいてiOSには無い機能として「メニュー」、「Touch Bar」、「Toolbar」があげられます。
本トークではCatalystに対応した2つのアプリのリリース経験とCatalystに関する本を執筆した内容を基に、
対応方法の基礎から、先述したメニューやTouch Bar、Toolbarへの対応方法をご紹介します。

Transcript

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2. 1SPpMF struct Profile { let name = "Kazuya Ueoka" let company = "note, Inc." let twitter = "@fromkk" let github = "fromkk" let qiita = "fromkk" let note = "fromkk" } • 2
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23. ࣮૷ํ๏ 23
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28. 6*"DUJPO w Ϋϩʔδϟʔ CMPDLT Λݺͼग़ͤΔ
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34. $BUBMZTUͰར༻ՄೳͳϘλϯͷछྨ 34
35. ࣮૷ํ๏ 35
36. ࣮૷ํ๏ • NSTouchBar.CustomizationIdentifierΛఆٛ͢Δ • Touch BarͷछྨΛࣝผ͢Δ 36 extension NSTouchBar.CustomizationIdentifier { static let myTouchBar = NSTouchBar.CustomizationIdentifier( "me.fromkk.CatalystSampler.MyTouchBar" ) }
37. ࣮૷ํ๏ 37 extension NSTouchBarItem.Identifier { static let prev = NSTouchBarItem.Identifier( "me.fromkk.CatalystSampler.prev" ) static let next = NSTouchBarItem.Identifier( "me.fromkk.CatalystSampler.next" ) } • NSTouchBarItem.IdentifierΛఆٛ͢Δ • Touch Barʹදࣔ͢Δ߲໨ͷछྨΛࣝผ͢Δ
38. ࣮૷ํ๏ w $BUBMZTUͷ৔߹ʹ6*3FTQPOEFSʹ૿͍͑ͯΔNBLF5PVDI#BSϝιουΛ࣮૷͢Δ 38 #if targetEnvironment(macCatalyst) override func makeTouchBar() -> NSTouchBar? { let touchBar = NSTouchBar() touchBar.customizationIdentifier = .myTouchBar touchBar.defaultItemIdentifiers = [.prev, .next, .otherItemsProxy] touchBar.customizationAllowedItemIdentifiers = [.prev, .next] touchBar.delegate = self return touchBar } #endif
39. NSTouchBarͷϓϩύςΟ • customizationIdentifier:Touch BarΛࣝผ͢ΔͨΊͷ஋ • customizationAllowedItemIdentifiers:ΧελϚΠζΛڐՄ͢Δࣝผࢠ • customizationRequiredItemIdentifiers:ΧελϚΠζ࣌ʹ࡟আͰ͖ͳ͍ࣝผࢠ • defaultItemIdentifiers:ΧελϚΠζ͢Δલʹදࣔ͢Δࣝผࢠ • itemIdentifiers:ొ࿥ࡁΈͷࣝผࢠ • principalItemIdentifier:தԝʹදࣔ͞ΕΔॏཁͳࣝผࢠ • escapeKeyReplacementItemIdentifier:Esc ΩʔΛࠩ͠ସ͑Δ৔߹ͷࣝผࢠ • templateItems:ࣝผࢠ͔ΒΠϯελϯεԽ͞Ε߲ͨ໨Λอ࣋͢ΔϓϩύςΟ • delegate: ࣝผࢠ͔ΒΠϯελϯεΛੜ੒͢ΔॲཧΛҠৡ 39
40. ΧελϚΠζ w ʮදࣔʯϝχϡʔ͔Βʮ5PVDI
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41. ࣮૷ํ๏ • NSTouchBarDelegateΛ࣮૷͢Δ
    • func touchBar(_ touchBar: NSTouchBar, makeItemForIdentifier identifier: NSTouchBarItem.Identifier) -> NSTouchBarItem? • identifierʹࣄલʹఆٛͨ͠஋͕౉͞ΕΔͷͰNSTouchBarItem ͷαϒΫϥεΛੜ੒ͯ͠ฦ͢
    • NSTouchBarItemʹ͸customizationLabelΛઃఆ͓ͯ͘͠ͱΧ ελϚΠζ࣌ʹϥϕϧ͕දࣔ͞ΕΔ 41
42. ݕࡧॱং IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOBQQLJUOTUPVDICBS 10. App delegate 9. App object 8. Main window’s controller 7. Main window’s delegate 6. Main window 5. Main window’s first responder 4. Key window’s controller 3. Key window’s delegate 2. Key window 1. Key window’s first responder 5PVDI
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44. πʔϧόʔ 44
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46. ࣮૷ํ๏ • NSToolbar.IdentifierΛఆٛ͢Δ • πʔϧόʔͷछྨΛࣝผ͢Δ 46 extension NSToolbar.Identifier { static let myToolbar = NSToolbar.Identifier( "me.fromkk.CatalystSampler.MyToolbar" ) }
47. • NSToolbarItem.IdentifierΛఆٛ͢Δ • πʔϧόʔʹදࣔ͢Δ߲໨ͷछྨΛࣝผ͢Δ ࣮૷ํ๏ 47 extension NSToolbarItem.Identifier { static let arrowGroup = NSToolbarItem.Identifier( "me.fromkk.CatalystSampler.arrowGroup" ) static let reload = NSToolbarItem.Identifier( "me.fromkk.CatalystSampler.reload" ) static let favorite = NSToolbarItem.Identifier( "me.fromkk.CatalystSampler.favorite" ) }
48. /45PPMCBS w πʔϧόʔࣗମͷΫϥε
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49. /45PPMCBS%FMFHBUF 49 @available(iOS 13.0, *) public protocol NSToolbarDelegate : NSObjectProtocol { /// itemIdentifierʹ߹ͬͨπʔϧόʔͷ߲໨Λฦ͢ optional func toolbar(_ toolbar: NSToolbar, itemForItemIdentifier itemIdentifier: NSToolbarItem.Identifier, willBeInsertedIntoToolbar flag: Bool) -> NSToolbarItem? /// ॳظʹදࣔ͢ΔitemIdentifierͷҰཡΛฦ͢ optional func toolbarDefaultItemIdentifiers(_ toolbar: NSToolbar) -> [NSToolbarItem.Identifier] /// දࣔΛڐՄ͢ΔitemIdentifierͷҰཡΛฦ͢ optional func toolbarAllowedItemIdentifiers(_ toolbar: NSToolbar) -> [NSToolbarItem.Identifier] /// બ୒ՄೳͳitemIdentifierͷҰཡΛฦ͢ optional func toolbarSelectableItemIdentifiers(_ toolbar: NSToolbar) -> [NSToolbarItem.Identifier] /// ߲໨͕௥Ճ͞ΕΔͱ͖ʹݺ͹ΕΔ optional func toolbarWillAddItem(_ notification: Notification) /// ߲໨͕࡟আ͞ΕΔͱ͖ʹݺ͹ΕΔ optional func toolbarDidRemoveItem(_ notification: Notification) }
50. දࣔܗࣜ w UPPMCBSEJTQMBZ.PEFΛมߋ͢Δ͜ͱͰදࣔΛมߋ͢Δ͜ͱ͕ Ͱ͖Δ
    w JDPO"OE-BCFM
    w JDPO0OMZ
    w MBCFM0OMZ 50
51. /45PPMCBS*UFNͷछྨ 51 NSToolbarItemGroup NSToolbarItem NSMenuToolbarItem
52. πʔϧόʔͷΧελϚΠζ • toolbar.allowsUserCustomization = true Λઃఆ͢Δ͜ͱͰϢʔβʔ͕ࣗ༝ʹΧελϚΠζ͢Δ͜ͱ͕Ͱ͖ΔΑ͏ʹͳΔ
    • toolbar.autosavesConfiguration = true Λઃఆ͢Δ͜ͱͰઃఆ߲ͨ͠໨Λࣗಈతʹอଘ͓ͯ͘͜͠ͱͰ࣍ճҎ߱อଘ͠ ͨઃఆ͕൓ө͞ΕΔ 52
53. #JH
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54. #JH
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55. #JH
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56. #JH
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    w 6*3FTQPOEFSʹQSFTTFT#FHBOQSFTTFT&OEFE͕࣮૷͞ΕɺΑΓࡉ͔͍ϋ ϯυϦϯά͕Մೳʹ
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    w /4$VSTPSΫϥε͕௥Ճ͞ΕදࣔɾඇදࣔͳͲͷૢ࡞͕Մೳʹ
    w Χʔιϧͷը૾΋มߋՄೳ 56
57. #JH
    4VSͰͷ$BUBMZTUͷਐԽ w $BUBMJOBͰ͸ॖখ͞Ε͍͕ͯͨɺ#JH
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    w 4XJGU6*ͰίϚϯυɺπʔϧόʔʹରԠ
    w ϥΠϑαΠΫϧ͕ΑΓࡉ͔͘ϋϯυϦϯάՄೳʹʢ࠷খԽɺόοΫά ϥ΢ϯυεϖʔεɺඇදࣔͳͲʣ
    w Ϟʔμϧ΍ϙοϓΦʔόʔ͕ಠཱͨ͠XJOEPXʹ 57
58. #JH
    4VSͰͷ$BUBMZTUͷਐԽ w ࣸਅฤू֦ுػೳʹରԠ
    w ΞϓϦ಺՝ۚΛݸผʹઃఆ͢Δ͜ͱ͕Մೳʹ
    w ΞΫηϯτΧϥʔΛઃఆ͢Δ͜ͱ͕Մೳʹ 58
59. #JH
    4VSͰͷ$BUBMZTUͷਐԽ w 6*,JUͷਐԽʹ௥ै
    w 6*$PMPS8FMM6*$PMPS1JDLFS7*FX$POUSPMMFS
    w 6*%BUF1JDLFSͷਐԽʹ΋ରԠ
    w 6*#VUUPO6*#BS#VUUPO*UFNͷNFOVTʹ΋ରԠ
    w 4QMJU7JFX$POUSPMMFS͕ྻදࣔʹରԠ
    w J04J1BE
    04ͱಉ༷ʹ8JEHFU,JUʹରԠ 59
60. ·ͱΊ w 1MBUGPSN͕૿͑Δ͜ͱ͸Ϗδωεతʹ΋νϟϯε͕޿͕Δ͸ͣ
    w ϝχϡʔɺπʔϧόʔɺ5PVDI
    #BS͸J04ʹ͸ແ͍͕NBD04Ͱ͸ ॏཁͳػೳͳͷͰੋඇ࣮૷͠Α͏
    w NBD04
    #JH
    4VSͷਐԽʹ΋ظ଴ 60
63. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ 63