Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
iOSDC.pdf
Search
ビスター
September 20, 2025
Programming
2
820
iOSDC.pdf
ビスター
September 20, 2025
Tweet
Share
Other Decks in Programming
See All in Programming
レイトレZ世代に捧ぐ、今からレイトレを始めるための小径
ichi_raven
0
470
TypeScript 5.9 で使えるようになった import defer でパフォーマンス最適化を実現する
bicstone
1
430
なあ兄弟、 余白の意味を考えてから UI実装してくれ!
ktcryomm
1
410
オフライン対応!Flutterアプリに全文検索エンジンを実装する @FlutterKaigi2025
itsmedreamwalker
2
280
251126 TestState APIってなんだっけ?Step Functionsテストどう変わる?
east_takumi
0
160
JJUG CCC 2025 Fall: Virtual Thread Deep Dive
ternbusty
3
490
Eloquentを使ってどこまでコードの治安を保てるのか?を新人が考察してみた
itokoh0405
0
3.2k
スタートアップを支える技術戦略と組織づくり
pospome
8
11k
AWS CDKの推しポイントN選
akihisaikeda
1
200
How Software Deployment tools have changed in the past 20 years
geshan
0
8.3k
Module Harmony
petamoriken
2
560
AIの弱点、やっぱりプログラミングは人間が(も)勉強しよう / YAPC AI and Programming
kishida
13
5.3k
Featured
See All Featured
A better future with KSS
kneath
239
18k
Unsuck your backbone
ammeep
671
58k
What's in a price? How to price your products and services
michaelherold
246
12k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
118
20k
Rails Girls Zürich Keynote
gr2m
95
14k
Facilitating Awesome Meetings
lara
57
6.6k
Being A Developer After 40
akosma
91
590k
Typedesign – Prime Four
hannesfritz
42
2.9k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
52
5.7k
Raft: Consensus for Rubyists
vanstee
140
7.2k
Why Our Code Smells
bkeepers
PRO
340
57k
Faster Mobile Websites
deanohume
310
31k
Transcript
4XJGU6*࣌ͷεΫγϣอޢ ʙηΩϡΞͳ7JFXͷ࡞Γํʙ #ZϏελʔ!-NTTZOD J04%$+BQBO݄ʢʣʙ 5SBDL %
"CPVU.F Ϗελʔ 7JTUBS • ݸਓ։ൃ • 41.ύοέʔδ։ൃ • 1SJWBUF"1*ݚڀ
ࠓεΫγϣอޢ͕͔ͬͨ • .JDSPTPGU 5FBNT ʮ1SFWFOU4DSFFO$BQUVSFʯػೳൃද • 9$IBU ʮ#MPDL TDSFFOTIPUTʯػೳެ։ •
J1IPOFͷϚΠφϯόʔΧʔυʢຊʣ ΥϨοτΞϓϦͰඪ४࣮ࡁΈ
͑Δ"1*ʁ
ը໘ऩؔ࿈ͷ"1* • @Environment(¥.isSceneCaptured) • UITraitCollection.sceneCaptureState • UIScreen.isCaptured Deprecated
εΫϦʔϯγϣοτؔ࿈ͷ"1* •UIApplication.userDidTakeScreenshotNot ification •UIApplication.UserDidTakeScreenshotMes sage ֤OS 26+ ͍ͣΕDidͳͷͰࣄલݕ͕ग़དྷͳ͍
εΫϦʔϯγϣοτؔ࿈ͷ"1* •func privacySensitive() -> some View •func contentCaptureProtected() -> some
CompositorContent macOS 26 & visionOS 26 Only
εΫϦʔϯγϣοτؔ࿈ͷ"1* •func contentCaptureProtected( _ isActive: Bool = true ) ->
some View visionOS 26.0+ only iOSʹల։͞Ε͍ͯͳ͍...
J04ͷతͳ"1*ͰεΫγϣ͔Β ҙͷ7JFXΛอޢ͢Δ͜ͱͰ͖ͳ͍
6*,JUͰͲ͏͢Δʁ
6*,JUͰͲ͏͢Δʁ •UITextFieldͷisSecureTextEntryΛར༻͢Δ •UITextFieldͷSubview • _UITouchPassthroughView • _UITextLayoutCanvasView อޢ͍ͨ͠7JFXΛαϒϏϡʔʹ͢Δ
4XJGU6*ͰͷϫʔΫΞϥϯυ CaptureProtectedViewController<Content: View> - containerView: UIView? _UITextLayoutCanvasViewΛऔΓग़͢ - isActive: Bool
- content: () -> Content + init(_: Bool, @ViewBuilder content: @escaping () -> Content) + viewDidLoad() UIHostingControllerΛར༻ͯ͠4XJGU6*ͷ7JFXΛ _UITextLayoutCanvasViewͷαϒϏϡʔʹ͢Δ
4XJGU6*ͰͷϫʔΫΞϥϯυ UIHostingController 4XJGU6*$POUFOU UIViewController Representable CaptureProtected ViewController 4XJGU6*ͷ7JFX
4XJGU6*ͰͷϫʔΫΞϥϯυ • .environment()ͷө ࢀߟ 88%$6*,*UτϨΠτγεςϜͷ׆༻ • ϨΠΞτͷ่Ε • *NBHF3FOEFSFS"1*ͷ੍ݶ
4XJGU6*ͰͷϫʔΫΞϥϯυ •UITextFieldͷisSecureTextEntryΛར༻͢Δ •UITextFieldͷSubview • _UITouchPassthroughView • _UITextLayoutCanvasView อޢ͍ͨ͠7JFXΛαϒϏϡʔʹ͢Δ
ͳͥ_UITextLayoutCanvasView εΫϦʔϯγϣοτʹөΒͳ͍ʁ
ΈΛௐΔ •-[UITextField setSecureTextEntry:]Λ 4ZNCPMJD#SFBLQPJOUͱͯ͠ηοτ ˠελοΫτϨʔεΛௐΔ
ΈΛௐΔ $"-BZFSΦϒδΣΫτʹରͯ͠ηϨΫλ TFU%JTBCMF6QEBUF.BTLͷϝιουΛݺͼग़͍ͯ͠Δ Y$"-BZFS YTFU%JTBCMF6QEBUF.BTL YYPSY 9DPEFͰͷελοΫτϨʔεͷදࣔ
࣮ݧ "QQ3FWJFX(VJEFMJOFT⚠ 4PGUXBSF3FRVJSFNFOUT"QQTNBZPOMZVTFQVCMJD"1*T IUUQTEFWFMPQFSBQQMFDPNBQQTUPSFSFWJFXHVJEFMJOFTTPGUXBSFSFRVJSFNFOUT
࣮ݧ 9DPEF--%#ίϚϯυʹΑΔ$"-BZFSͷશϝιουදࣔ
ΈΛௐΔ •0CKFDUJWF$༝དྷͷ,FZ7BMVF$PEJOHΛར༻ ࣮ݧ༻ͷ؆қίʔυ
࣮ݧ •EJTBCMF6QEBUF.BTL ʹΑ੍ͬͯޚ͞Ε͍ͯΔ →4QSJOH#PBSEʹΑΔࡱӨʹ ֘ϨΠϠʔؚ͕·Εͳ͍
4XJGU6*Ͱͷར༻ํ๏ͷఏҊ
4XJGU6*Ͱͷར༻ํ๏ •ϨΠϠʔͱؚͯ͠·Εແ͍͜ͱΛར༻͢Δ .mask(_:)
UIViewRepresentable _UITextLayoutCanvasView ͳͲ EJTBCMF6QEBUF.BTL͕ઃఆ͞Εͨ-BZFSΛ࣋ͭ6*7JFX backgroundColor = .black .mask { }
εΫγϣͷॠ͚ؒͩөΔ7JFXम০ࢠ
•func luminanceToAlpha() -> some View "EETBMVNJOBODFUPBMQIBF⒎FDUUPUIJTWJFX J04 J1BE04
.BD$BUBMZTU NBD04 UW04 WJTJPO04 XBUDI04 ࢀߟ EFWFMPQFSBQQMFDPN
.mask { } .background(.white) .compotisionGroup() .luminanceToAlpha()
ࢀߟ •AVSampleBufferDisplayLayer() .preventsCapture *OEJDBUFTUIBUJNBHFEBUBTIPVMECFQSPUFDUFE GSPNDBQUVSFࢀߟ EFWFMPQFSBQQMFDPN อޢର*04VSGBDFTͰͳ͍
ࢀߟ •'BJS1MBZ4USFBNJOH ಈըίϯςϯπ৴ͷ߹ʹར༻Մೳ ࢀߟ EFWFMPQFSBQQMFDPN
ҙ •ίϯςϯπͷෳࢭใ࿙Ӯࢭ •εΫγϣอޢ͞Ε͍ͯΔ͔ςετ •ར༻ऀʹεΫγϣอޢΛΒͤΔ ˠอޢΛ"MFSUͰ௨ɺεΫγϣʹอޢ͍ͯ͠ΔࢫΛهࡌ
None
࠷ޙʹ ίʔυྫ αϯϓϧύοέʔδ