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Swi$ Heroes 2021 | Peter Steinberger — @steipete

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whoami • Peter Steinberger • Founder @ PSPDFKit • @steipete on Twi7er • h7ps:/ /steipete.com/speaking h"ps:/ /twi"er.com/steipete

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h"ps:/ /pspd(it.com - The Complete PDF Solu:on You Can Rely On

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Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Catalyst Se*ngs In Swi0UI h"ps:/ /twi"er.com/steipete/status/1363079081198288898?s=20

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Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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The New Feature: Electronic Signatures Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Benefits of Swi-UI Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Mixing with Exis,ng Code Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Challenges of Swi/UI Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Presen&ng Popovers on iPhone Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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h"ps:/ /pspd(it.com/blog/2020/popovers-from-swi:ui-uibarbu"on/

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Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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h"ps:/ /stackoverflow.com/ques5ons/58837007/mul5ple-shee5spresented-doesnt-work-in-swi@ui

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h"ps:/ /gist.github.com/steipete/b9f43b455f396a8db764d13eec971e9b

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Toolbars in Swi-UI h"ps:/ /github.com/Swi2UIX/Swi2UIX

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Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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SE-0308 h"ps:/ /github.com/apple/swi4-evolu7on/blob/main/proposals/0308-postfix-if-config-expressions.md

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Geometry Readers Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Exception Note: EXC_CORPSE_NOTIFY Application Specific Information: abort() called AttributeGraph precondition failure: invalid input index: 2. Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 libsystem_kernel.dylib 0x00007fff677a733a __pthread_kill + 10 1 libsystem_pthread.dylib 0x00007fff67867e60 pthread_kill + 430 2 libsystem_c.dylib 0x00007fff6772e808 abort + 120 3 com.apple.AttributeGraph 0x00007fff41832631 AG::precondition_failure(char const*, ...) + 273 4 com.apple.AttributeGraph 0x00007fff418096a6 AG::Graph::input_value_ref_slow(unsigned int) + 490 5 com.apple.SwiftUI 0x00007fff6a3a0761 RootGeometry.update(context:) + 97 6 com.apple.SwiftUI 0x00007fff6a3a44d8 partial apply for protocol witness for static UntypedAttribute._update(_:graph:attribute:) in conformance RootGeometry + 24 7 com.apple.AttributeGraph 0x00007fff41805bb9 AG::Graph::UpdateStack::update() + 455 h"ps:/ /pdfviewer.io/

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h"ps:/ /stackoverflow.com/ques5ons/60868788/precondi5on-failure-invalid-input-index-when-using-geometryreader-in-swiCui-s

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ObservableObject on iOS 13 Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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First Responder Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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h"ps:/ /github.com/siteline/Swi5UI-Introspect

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h"ps:/ /github.com/siteline/Swi5UI-Introspect

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Scale Factor Loop Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Wrapping Views Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Retrofi'ng Combine Publisher Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Keyboard Avoidance Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Summarize • State of Swi+UI • Mixing with exis4ng Code • Presen4ng Popovers • Toolbar Logic • Geometry Reader (and other) Bugs • Wrapping Views • First Responder SeKng • RetrofiKng Combine Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete

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Thanks! Ques,ons? Swi$UI In Produc/on — Swi$ Heroes 2021 | Peter Steinberger — @steipete