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
890
iOSDC.pdf
ビスター
September 20, 2025
Tweet
Share
Other Decks in Programming
See All in Programming
CSC307 Lecture 04
javiergs
PRO
0
630
はじめてのカスタムエージェント【GitHub Copilot Agent Mode編】
satoshi256kbyte
0
160
HTTPプロトコル正しく理解していますか? 〜かわいい猫と共に学ぼう。ฅ^•ω•^ฅ ニャ〜
hekuchan
2
640
The Past, Present, and Future of Enterprise Java
ivargrimstad
0
700
TestingOsaka6_Ozono
o3
0
270
ELYZA_Findy AI Engineering Summit登壇資料_AIコーディング時代に「ちゃんと」やること_toB LLMプロダクト開発舞台裏_20251216
elyza
2
1k
MDN Web Docs に日本語翻訳でコントリビュート
ohmori_yusuke
0
420
大規模Cloud Native環境におけるFalcoの運用
owlinux1000
0
250
クラウドに依存しないS3を使った開発術
simesaba80
0
220
Grafana:建立系統全知視角的捷徑
blueswen
0
280
QAフローを最適化し、品質水準を満たしながらリリースまでの期間を最短化する #RSGT2026
shibayu36
0
1.9k
LLMで複雑な検索条件アセットから脱却する!! 生成的検索インタフェースの設計論
po3rin
4
1.1k
Featured
See All Featured
End of SEO as We Know It (SMX Advanced Version)
ipullrank
2
3.9k
Navigating the moral maze — ethical principles for Al-driven product design
skipperchong
1
220
The Cost Of JavaScript in 2023
addyosmani
55
9.4k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
31
3.1k
WCS-LA-2024
lcolladotor
0
410
What does AI have to do with Human Rights?
axbom
PRO
0
1.9k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
35
3.3k
Test your architecture with Archunit
thirion
1
2.1k
Bash Introduction
62gerente
615
210k
YesSQL, Process and Tooling at Scale
rocio
174
15k
How To Speak Unicorn (iThemes Webinar)
marktimemedia
1
360
Hiding What from Whom? A Critical Review of the History of Programming languages for Music
tomoyanonymous
1
350
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