Speaker Deck
Sign in
Sign up
for free
How to make and publish a Swift playground book for iPad
sonson
September 01, 2018
Programming
5
9.6k
How to make and publish a Swift playground book for iPad
sonson
September 01, 2018
Tweet
Share
Want more?
sonsongithub
0
250
sonsongithub
1
180
sonsongithub
0
110
iamctodd
1
400
reverentgeek
14
850
rmw
5
460
skipperchong
0
290
carmenhchung
8
600
keathley
9
320
productmarketing
3
350
clairelew
4
850
thoeni
1
230
Transcript
1
.
Χϝϥ͔Βͷը૾ΛϦΞϧλΠϜʹ͍͡ΔPlayPixels Tech. Yuichi Yoshida Senior researcher, DENSO IT Laboratory, Inc.
#iOSDC2018 @sonson_twit © 2014 DENSO IT Laboratory, Inc., All rights reserved. Redistribution or public display not permitted without written permission from DENSO IT Laboratory, Inc. Swift Playgrounds Bookͷ࡞ΓํͱΓํ
2
.
ࣗݾհ • sonson • twitter: sonson_twit • github: sonsongithub •
portfolio • 2tchɾɾɾଟɼࣙΊΔ • numsw • iOS11 Programming Book(ൃചத) • ࣄ(computer vision, machine learning) • ը૾ೝࣝɾݕࡧٕज़ • ࠷ۙσʔλαΠΤϯεతͳ͜ͱ
3
.
$PSF.-ͱ$SFBUF.-ʹ ͍ͭͯॻ͘Α
4
.
ࠓͷత
5
.
Swift Playgrounds
6
.
None
7
.
σϞ • AppleͷσϞ
8
.
ࠓͷ͓ • త • iPadʹࣗΈͷSwift codingڥΛ࡞Δ • ͦ͏͍͏ڥΛΈΜͳͰެ։͋ͬͯ͠ɼָ͠Ή • ࡞Γํͱެ։ํ๏
• AppleۘͷςϯϓϨʔτʹΑΔ࡞ΓํΛհ • ެ։Ͱ͖ΔΜͰ͢Αɼ͜Ε͕ɽ • Χϝϥͷը૾ॲཧΛ͢Δαϯϓϧ • ը૾ॲཧͷࠜװΛͬͯΒ͏
9
.
͜͏͍͏ͷΛΈΜͳͰ • ରʢ͓͢͢Ίʣ • Binary searchͷσϞ • ֆจࣈॲཧͷσϞ • numsw
- ઢܗ • PlayPixelsʢࠓͷϝΠϯσΟογϡʣ
10
.
͍͍ͱ͜Ζ • ϝΠϯͷతڭҭΒ͍͠ • ͰͶ͐ɾɾίϯςϯπ࡞Δͷେม • iPadͰಈ͘ʂʂʂ • Ͳ͜Ͱίʔυ͕ॻ͚Δ •
͓खܰɼ͔ͬ͜Α͘σϞͰ͖Δ • ͲΜͲΜਐԽ͍ͯ͠Δ • Χϝϥ͕͑ΔΑ͏ʹͳͬͨʂ • Bluetooth͕͑ΔΑ͏ʹͳͬͨʂ
11
.
ͭΒ͍ͱ͜Ζ • ϑϨʔϜϫʔΫϥΠϒϥϦ͕͑ͳ͍ • ͯ͢ιʔείʔυΦʔϓϯʹͳͬͯ͠·͏ • σόοά͕େม • Ϛγʹͳ͖ͬͯͨ •
AppleLEGOͷίϯςϯπ͕͗͢͢͝Δ • ૉਓ͕࡞Δͱɼ൵͍͠ɾɾɾɾ
12
.
PlaygroundBookͷ࡞Γํ
13
.
PlaygroundBook
14
.
Playgroundbookͷߏ ├── Chapters │ └── Chapter1.playgroundchapter │ ├── Manifest.plist │
└── Pages │ ├── Basic.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ ├── Binarize.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ └── Filter.playgroundpage │ ├── Contents.swift │ ├── LiveView.swift │ └── Manifest.plist ├── Manifest.plist ├── PrivateResources │ ├── Base.lproj │ │ └── LiveView.storyboard │ ├── en.lproj │ │ └── ManifestPlist.strings │ └── icon.png └── Sources ├── LiveViewController.swift └── LiveViewSupport.swift
15
.
֓ཁ -JWF7JFXTXJGU $POUFOUTTXJGU
16
.
࡞Γํ • AppleͷςϯϓϨʔτΛ͏ʢమଇʣ • Swift Playgrounds Author Template for Xcode
9.3Λσ ϕϩούʔαΠτ͔Βμϯϩʔυ
17
.
·ͣઃఆ • README.mdͷ”First Step”ʹै͍ɼϓϩδΣΫτͷ໊લ ͱ͔Λมߋ͢Δ • దʹΔͱ໘ष͍͜ͱʹͳΔͷͰҙ • AppleͷςϯϓϨ͔ͳΓνϡʔϯ͞ΕͯΔɾɾɾʁ
18
.
ϓϩδΣΫτͷ ໊લͳͲͷม ·ͣಡΉ Ͱͳ͍ͱϋϚΔ γϛϡϨʔλ্Ͱ#MVFUPPUI ͳͲΛ࠶ݱ͢ΔͨΊͷπʔϧ-JC γϛϡϨʔλΞϓϦຊମ 1MBZHSPVOE#PPL ຊମ
19
.
Swift Playgrounds Author Template • ΞϓϦͱͯ͠BookΛಈ͔͠ɼσόοά͘͢͠ • BluetoothͷUIΛΤϛϡϨʔτ • ϏϧυεΫϦϓτࠐΈ
• σόοά • iOS12ͰSwift PlaygroundsͰNSLogΛ࣮ߦͯ͠Կ දࣔ͞Εͳ͍ɾɾɾɾ • ͜ͷςϯϓϨʔτ͕།Ұͷ։ൃڥɾɾɾɾ
20
.
λʔήοτ 4XJGU1MBZHSPVOE#PPL
21
.
λʔήοτ #PPLͷγϛϡϨʔλͱͯ͠ͷΞϓϦ
22
.
λʔήοτ ΞϓϦͷͨΊʹίʔυΛ-JCʹ
23
.
-JWF7JFX5FTUBQQͷͨΊͷ ϑϨʔϜϫʔΫ
24
.
ͷத
25
.
Playgroundbookͷߏ ├── Chapters │ └── Chapter1.playgroundchapter │ ├── Manifest.plist │
└── Pages │ ├── Basic.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ ├── Binarize.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ └── Filter.playgroundpage │ ├── Contents.swift │ ├── LiveView.swift │ └── Manifest.plist ├── Manifest.plist ├── PrivateResources │ ├── Base.lproj │ │ └── LiveView.storyboard │ ├── en.lproj │ │ └── ManifestPlist.strings │ └── icon.png └── Sources ├── LiveViewController.swift └── LiveViewSupport.swift
26
.
Playgroundbookͷߏ ├── Chapters │ └── Chapter1.playgroundchapter │ ├── Manifest.plist │
└── Pages │ ├── Basic.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ ├── Binarize.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ └── Filter.playgroundpage │ ├── Contents.swift │ ├── LiveView.swift │ └── Manifest.plist ├── Manifest.plist ├── PrivateResources │ ├── Base.lproj │ │ └── LiveView.storyboard │ ├── en.lproj │ │ └── ManifestPlist.strings │ └── icon.png └── Sources ├── LiveViewController.swift └── LiveViewSupport.swift ຊମ
27
.
Playgroundbookͷߏ ├── Chapters │ └── Chapter1.playgroundchapter │ ├── Manifest.plist │
└── Pages │ ├── Basic.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ ├── Binarize.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ └── Filter.playgroundpage │ ├── Contents.swift │ ├── LiveView.swift │ └── Manifest.plist ├── Manifest.plist ├── PrivateResources │ ├── Base.lproj │ │ └── LiveView.storyboard │ ├── en.lproj │ │ └── ManifestPlist.strings │ └── icon.png └── Sources ├── LiveViewController.swift └── LiveViewSupport.swift ϖʔδ ࠷খ୯Ґ
28
.
Playgroundbookͷߏ ├── Chapters │ └── Chapter1.playgroundchapter │ ├── Manifest.plist │
└── Pages │ ├── Basic.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ ├── Binarize.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ └── Filter.playgroundpage │ ├── Contents.swift │ ├── LiveView.swift │ └── Manifest.plist ├── Manifest.plist ├── PrivateResources │ ├── Base.lproj │ │ └── LiveView.storyboard │ ├── en.lproj │ │ └── ManifestPlist.strings │ └── icon.png └── Sources ├── LiveViewController.swift └── LiveViewSupport.swift ֤ϖʔδͷઃఆ
29
.
Playgroundbookͷߏ ├── Chapters │ └── Chapter1.playgroundchapter │ ├── Manifest.plist │
└── Pages │ ├── Basic.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ ├── Binarize.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ └── Filter.playgroundpage │ ├── Contents.swift │ ├── LiveView.swift │ └── Manifest.plist ├── Manifest.plist ├── PrivateResources │ ├── Base.lproj │ │ └── LiveView.storyboard │ ├── en.lproj │ │ └── ManifestPlist.strings │ └── icon.png └── Sources ├── LiveViewController.swift └── LiveViewSupport.swift ຊͷߏ
30
.
Playgroundbookͷߏ ├── Chapters │ └── Chapter1.playgroundchapter │ ├── Manifest.plist │
└── Pages │ ├── Basic.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ ├── Binarize.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ └── Filter.playgroundpage │ ├── Contents.swift │ ├── LiveView.swift │ └── Manifest.plist ├── Manifest.plist ├── PrivateResources │ ├── Base.lproj │ │ └── LiveView.storyboard │ ├── en.lproj │ │ └── ManifestPlist.strings │ └── icon.png └── Sources ├── LiveViewController.swift └── LiveViewSupport.swift Ϧιʔε
31
.
Playgroundbookͷߏ ├── Chapters │ └── Chapter1.playgroundchapter │ ├── Manifest.plist │
└── Pages │ ├── Basic.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ ├── Binarize.playgroundpage │ │ ├── Contents.swift │ │ ├── LiveView.swift │ │ └── Manifest.plist │ └── Filter.playgroundpage │ ├── Contents.swift │ ├── LiveView.swift │ └── Manifest.plist ├── Manifest.plist ├── PrivateResources │ ├── Base.lproj │ │ └── LiveView.storyboard │ ├── en.lproj │ │ └── ManifestPlist.strings │ └── icon.png └── Sources ├── LiveViewController.swift └── LiveViewSupport.swift Ұ൪େ ڞ௨ͷΫϥεͱ͔
32
.
playgroundpageͷߏཁૉ • LiveView.swift • Contents.swift • Manifest.plist
33
.
LiveView.swift • LiveView.swiftʹॻ͘͜ͱ͋Μ·Γͳ͍ • LiveViewControllerΛ͜͜Ͱੜ • receiveͰίϯτϩʔϥ͔ΒσʔλΛ͏͚ͱΓඳը • ॏཁͳͷɼLiveViewControllerͷ࣮ import
UIKit import PlaygroundSupport PlaygroundPage.current.liveView = sharedLiveViewController
34
.
Contents.swift • ίʔσΟϯάʹؔ͢Δίϝϯτώϯτɼεέϧτϯίʔυ • ษڧͱͯ͠ͷίϯςϯπͪ͜Β͕ओ //#-hidden-code import UIKit import PlaygroundSupport
//#-end-hidden-code func process(input: UnsafePointer<CUnsignedChar>, output: inout [CUnsignedChar], width: Int, height: Int, bytesPerPixel: Int) { //#-editable-code // write your own code //#-end-editable-code } //#-hidden-code class Listener: PlaygroundRemoteLiveViewProxyDelegate { func remoteLiveViewProxy(_ remoteLiveViewProxy: PlaygroundRemoteLiveViewProxy, received message: PlaygroundValue) { // handle message from LiveViewController } } let listener = Listener() if let proxy = page.liveView as? PlaygroundRemoteLiveViewProxy { proxy.delegate = listener } //#-end-hidden-code
35
.
Manifest.plist - Page 1MBZHSPVOE-PHHJOH.PEF0⒎ -JWF7JFX&EHF5P&EHF:&4
36
.
Manifest.plist - Page 1MBZHSPVOE-PHHJOH.PEF/PSNBM -JWF7JFX&EHF5P&EHF:&4
37
.
Manifest.plist - Page 1MBZHSPVOE-PHHJOH.PEF0⒎ -JWF7JFX&EHF5P&EHF:&4
38
.
cutscenepageͷߏཁૉ • playgroundpageͱҟͳΓHTMLදࣔՄೳ • ϑΥϧμ໊ɹ00.cutscenepage • Manifest.plistʹHTMLΛࢦఆ • PrivateResourcesʹݴޠ͝ͱʹHTMLΛ༻ҙ͢Δ •
ίʔυෆཁͷϜʔϏʔͬΆ͍ͷʹ͏Α͏ͩ
39
.
جຊίϯηϓτ -JWF7JFXͷϓϩηε $POUFOUͷϓϩηε
40
.
جຊίϯηϓτ -JWF7JFXͷϓϩηε $POUFOUͷϓϩηε
41
.
جຊίϯηϓτ -JWF7JFXͷϓϩηε $POUFOUͷϓϩηε 1SPYZ
42
.
ૹΔͱ͖྆ํͱಉ͡ -JWF7JFXͷϓϩηε $POUFOUͷϓϩηε 1SPYZ TFOE @NFTTBHF1MBZHSPVOE7BMVF
43
.
ૹड৴Ͱ͖Δܕ public enum PlaygroundValue { case array([PlaygroundSupport.PlaygroundValue]) case dictionary([String :
PlaygroundSupport.PlaygroundValue]) case string(String) case data(Data) case date(Date) case integer(Int) case floatingPoint(Double) case boolean(Bool) }
44
.
ૹΔͱ͖྆ํͱಉ͡ -JWF7JFXͷϓϩηε $POUFOUͷϓϩηε 1SPYZ TFOE @NFTTBHF1MBZHSPVOE7BMVF
45
.
ड৴͚͕ͩҟͳΔ $POUFOUͷϓϩηε class Listener: PlaygroundRemoteLiveViewProxyDelegate { var pixelBuffer24bit: [CUnsignedChar]? func
remoteLiveViewProxy(_ remoteLiveViewProxy: PlaygroundRemoteLiveViewProxy, received message: PlaygroundValue) { // handle a message } func remoteLiveViewProxyConnectionClosed(_ remoteLiveViewProxy: PlaygroundRemoteLiveViewProxy) { } } let listener = Listener() if let proxy = page.liveView as? PlaygroundRemoteLiveViewProxy { proxy.delegate = listener }
46
.
ૹΔͱ͖྆ํͱಉ͡ -JWF7JFXͷϓϩηε $POUFOUͷϓϩηε 1SPYZ TFOE @NFTTBHF1MBZHSPVOE7BMVF
47
.
ड৴͚͕ͩҟͳΔ -JWF7JFXͷϓϩηε @objc(Book_Sources_LiveViewController) public class LiveViewController: UIViewController, PlaygroundLiveViewMessageHandler, PlaygroundLiveViewSafeAreaContainer {
public func receive(_ message: PlaygroundValue) { update(message) } }
48
.
جຊίϯηϓτ -JWF7JFXͷϓϩηε $POUFOUͷϓϩηε 1SPYZ
49
.
PlayPixelsͷ߹ -JWF7JFXͷϓϩηε $POUFOUͷϓϩηε 1SPYZ ը૾ॲཧ $BNFSB ͜ͷॲཧͷίʔυ $POUFOUTTXJGU Ωϟϓνϟͨ͠ ը૾Λ%BUBʹ
50
.
PlayPixelsͷ߹ -JWF7JFXͷϓϩηε $POUFOUͷϓϩηε 1SPYZ %BUBʹ ύοΩϯά 6**NBHFʹ 6**NBHF7JFXʹηοτ
51
.
LiveViewTest.app • UIApplicationΛվʁ • LiveViewControllerͷಈ࡞֬ೝ༻ͷΞϓϦ • Swift Playgroundsઐ༻ͷUIͷςετ • ͦͷͨΊͷBluetoothͳͲͷϑϨʔϜϫʔΫ
• Contents.swiftͷཧίʔυͷ࣮͕ඞཁ ͏͖ɽσόοάͰࢮͶΔ #if LiveViewTestApp // γϛϡϨʔλͰಈ͔͢ͱ͖ɼϝιουΛͰୟ͖ɼContents.swiftͷΘΓΛ࣮ߦ self.update(value) #else // PlaygroundͰಈ͔͢ͱ͖ɼproxyܦ༝ͰContents.swiftʹσʔλΛૹΔ self.send(value) #endif
52
.
Playground Book • PlaygroundSupportͱݺΕΔϞδϡʔϧ͕৭ʑػೳΛఏڙ • ςϯϓϨʔτͰγϛϡϨʔγϣϯՄೳ • PlaygroundValueܕͰͤΔσʔλͷܕͷόϦΤʔγϣϯ͕গͳ͍ • ؔͱ͔ͤͳ͍
• LiveViewTest.appɼContents.swiftͱແؔ • ίϯςϯπΛ͏·͘දࣔͤ͞ΔͨΊͷςετίʔυ͕ඞཁ
53
.
։ൃͷྲྀΕʁ • TemplateΛฤू • LiveViewControllerΛ࣮ • AppDelegate.swiftͰίϯςϯπΛදࣔ͢ΔίʔυΛ ॻ͘(Contents.swift) • iPad࣮ػͰɼLiveViewTest.appΛςετ
• PlaygroundBookΛϏϧυ • AirDropͰiPad࣮ػʹPlaygroundBookΛૹΔ • Swift PlaygroundsͰ࣮ߦ͢Δ
54
.
υΩϡϝϯτ • Playground Book Format Reference • Swift PlaygroundsͷϓϩδΣΫτࣗମ͕ιʔεͷๅݿ
55
.
Furthermore, • Contents.swiftͷৄ͍͠ઃఆ • ίϯςϯπ࡞ΓͶ • ଟݴޠԽʢَʣ • Key-value store͋Δ
• AssesmentStatus • ϢʔβͷਐḿධՁ༻ͷΈʁ
56
.
PlaygroundBookΛެ։͢Δ
57
.
ެ։ํ๏ • ࠷ۙͬͱެ։Ͱ͖ΔΑ͏ʹͳͬͨ • Ϣʔβ͕Swift Playgrounds͔ΒfeedΛొՄೳ • ϒϥβ͔Βొ͢Δ͜ͱͰ͖Δ
58
.
खॱ • ެ։ͷͨΊͷjsonϑΝΠϧ(feed)Λ࡞Δ • BookΛෳݸऩΊΒΕΔ • ϋϚΔϙΠϯτ • λΠτϧͱ໊લ͕Ұக •
λΠτϧͱղౚޙͷ໊લ͕Ұக • identifier͕Ұக
59
.
feed { "title": "sonson", "publisherName": "Yuichi Yoshida", "feedIdentifier": "com.sonson.playground", "contactURL":
"mailto:hoge@hoge.com", "formatVersion": "1.0", "documents": [ { "title": "PlayPixels", "overviewSubtitle": "To be written.", "detailSubtitle": "αϒλΠτϧৄࡉ", "description": "ৄ͍͠આ໌", "contentIdentifier": "com.sonson.playground.PlayPixels", "contentVersion": "1.0", "url": "https://sonson.jp/playgrounds/playpixels/PlayPixels.playgroundbook.zip", "publishedDate": "2018-05-18T12:00:00+00:00", "lastUpdatedDate": "2018-05-18T12:00:00+00:00", "thumbnailURL": "playpixels/thumbnail.png", "bannerImageURL": "playpixels/thumbnail.png", "additionalInformation": [ { "name": "Languages", "value": "English" } ], "previewImageURLs": [] } ] }
60
.
खॱ • ެ։ͷͨΊͷjsonϑΝΠϧ(feed)Λ࡞Δ • BookΛෳݸऩΊΒΕΔ • ϋϚΔϙΠϯτ • λΠτϧͱ໊લ͕Ұக •
λΠτϧͱղౚޙͷ໊લ͕Ұக • identifier͕Ұக • feedʹࢦఆͨ͠ύεʹzipͰݻΊͨbookϑΝΠϧΛஔ͘ ├── feed.json ├── index.html └── playpixels ├── PlayPixels.playgroundbook.zip └── thumbnail.png
61
.
ϒϥβ͔ΒμΠϨΫτʹొ "https://developer.apple.com/ul/sp0?url=https://sonson.jp/playgrounds/feed.json"
62
.
https://sonson.jp/playgrounds/
63
.
Swift Playgrounds͕ىಈ
64
.
ొɾɾɾɾײಈ
65
.
PlayPixelsͰֶͿը૾ॲཧͷجຊ
66
.
https://github.com/sonsongithub/PlayPixels
67
.
ը૾ॲཧͷجຊ
68
.
ը૾ॲཧͷجຊ
69
.
ը૾ॲཧͷجຊ
70
.
ը૾ॲཧͷجຊ
71
.
ΈࠐΈԋࢉʔϑΟϧλ ೖྗը૾ ग़ྗը૾
72
.
ϑΟϧλ
73
.
ΈࠐΈԋࢉʔϑΟϧλ ೖྗը૾ ग़ྗը૾
74
.
ΈࠐΈԋࢉʔϑΟϧλ ೖྗը૾ ग़ྗը૾
º
75
.
ΈࠐΈԋࢉʔϑΟϧλ ೖྗը૾ ग़ྗը૾
76
.
ΈࠐΈԋࢉʔϑΟϧλ ೖྗը૾ ग़ྗը૾
77
.
ΈࠐΈԋࢉʔϑΟϧλ ೖྗը૾ ग़ྗը૾
78
.
ΈࠐΈԋࢉʔϑΟϧλ ೖྗը૾ ग़ྗը૾
ϑΟϧλͷαΠζͰ ͪΐͬͱখ͘͞ͳΔ
79
.
͜ΕɾɾɾͲΜͳϑΟϧλʁ
80
.
࣮ ܀ాଟتɺึতଠ, ύλʔϯೝࣝ ૣҴాେֶߨٛ – ฏ18
81
.
ྲྀߦΓͷCNN Y. Lecun, L. Bottou, Y. Bengio and P. Haffner,
"Gradient-based learning applied to document recognition," in Proceedings of the IEEE, vol. 86, no. 11, pp. 2278-2324, Nov. 1998. ͜ͷॏΈΛػցֶशͰಘΔ
82
.
·ͱΊ • Swift playgroundsͷָ͠͞ • Swift Playgrounds Author TemplateΛ͓͏ •
Bookͷجຊ • Proxyϕʔεͷϓϩάϥϛϯά • Feedͷઃఆ • ެ։ɼPlayground.appͰͰ͖Δʂ • PlayPixelsͰֶͿɼը૾ॲཧͷجຊ
sonson
sonsongithub
iamctodd
reverentgeek
rmw
skipperchong
carmenhchung
keathley
productmarketing
clairelew
thoeni
![ૹड৴Ͱ͖Δܕ public enum PlaygroundValue { case array([PlaygroundSupport.PlaygroundValue]) case dictionary([String :](https://files.speakerdeck.com/presentations/173ba297ab6448efad91da1d946f1570/slide_42.jpg){kind=link}
![ड৴͚͕ͩҟͳΔ $POUFOUͷϓϩηε class Listener: PlaygroundRemoteLiveViewProxyDelegate { var pixelBuffer24bit: [CUnsignedChar]? func](https://files.speakerdeck.com/presentations/173ba297ab6448efad91da1d946f1570/slide_44.jpg){kind=link}
