(iOS13の)UIBarButtonItem 位置調整あるある

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1. (iOS13ͷ)UIBarButtonItem Ґஔௐ੔͋Δ͋Δ Ͳ΋Μ/2019/10/23 1
2. Ͳ΋Μ EPNPOS wJ04͸೥͙Β͍΍ͬͯ·͢
   wϚϯΨ޷͖Ͱ͢
   ɹ࠷ۙ͸͔Β͘ΓαʔΧεಡΈ·ͨ͠ 2
3. (iOS13ͷ) UIBarButtonItem Ґஔௐ੔͋Δ͋Δ 3
4. (iOS13Ͱ)UIBarButtonItemͷ ҐஔΛ(OSඪ४ΑΓ)֎ଆʹ͍ͨ͠ 4 σβΠφʔ ͬͯݴΘΕͨΓ͠·͢ΑͶ
5. 5 6pt (OSඪ४͸8pt or 16pt)
6. ͳͷͰࠓ೔͸iOS13ରԠ΋ߟྀͨ͠ UIBarButtonItemͷ഑ஔʹ͍ͭͯ ൃද͠·͢ 6
7. UINavigationBarपΓͷ֊૚ͷઆ໌ 7
9. 9 • UINavigationBar
 ͷ্ʹ௚઀ UIBarButtonItem
 ͕ઃஔ͞Ε͍ͯΔܗ • λοϓྖҬ΍Ґஔௐ ੔΋؆୯
11. 11 • UINavigationBar
 ͷ্ʹUIStackView ͕ஔ͔Εͦͷதʹ UIBarButtonItem
 ͕ઃஔ͞Ε͍ͯΔܗ • λοϓྖҬ΍Ґஔௐ ੔Λ͢Δࡍʹ UIStackView͕अຐ
13. 13 • UINavigationBar
 ͷ্ʹUIStackView ͕ஔ͔Εͦͷதʹ UIBarButtonItem
 ͕ઃஔ͞Ε͍ͯΔܗ • ͞ΒʹUIStackView ͕Ṗͷprivate classʹ ͳ͍ͬͯΔ….
15. ֊૚ΛݟͨΒΘ͔ΔͷͰ͕͢ɺ iOS11͔ΒiOS13ʹ͔͚ͯ͸جຊత ʹมԽ͸͋Γ·ͤΜɻ 15 ͨͩ͠…
16. Client error attempting to change layout margins of a private view 16 ϓϥΠϕʔτϏϡʔͷϨΠΞ΢τϚʔδϯΛมߋ͠ Α͏ͱ͢ΔΫϥΠΞϯτΤϥʔ
17. Client error attempting to change layout margins of a private viewͷઆ໌ 17
18. 18 loop: for view in subviews { for stack in view.subviews where stack is UIStackView { stack.superview?.layoutMargins = .zero break loop } } ্هͷΑ͏ʹSubViewΛճͯ͠layoutMarginsΛௐ੔ͨ͠ΒౖΒΕ·͢
19. ͳͷͰɺiOS13Ҏ߱͸NavigationBar ্ͷUIStackViewʹରͯ͠ૢ࡞Λ ߦ͏͜ͱ͕Ͱ͖ͳ͘ͳΓ·ͨ͠ 19
21. iOS13Ҏ߱ͷରԠํ๏ 21
22. ͖͞ʹݴ͏ͱ…. iOS12·Ͱ͸private viewΛૢ࡞Ͱ͖ͨͷͰɺ ֎ଆ0pt·ͰλοϓൣғΛ૿΍ͤ·͕ͨ͠ɺ iOS13Ҏ߱͸ແཧͰͨ͠ 22
23. 23 UIBarButtonItem(barButtonSystemItem: .fixedSpace, target: nil, action: nil)
24. StackViewͷ࠷ॳͷཁૉΛ UIBarButtonItem(customView: view) Ͱ͸ͳ͘ UIBarButtonItem(barButtonSystemIte m: .fixedSpace, target: nil, action: nil) ʹ͢Δͱ֎ଆ͔ΒͷҐஔ͕8ptʹͳΔ 24
25. 25 8pt
26. ͪͳΈʹStackViewͷ࠷ॳͷཁૉΛ UIBarButtonItem(customView: view) ʹ͢Δͱ֎ଆ͔ΒͷҐஔ͕16ptʹͳΔ (customViewҎ֎ͷཁૉΛ࠷ॳʹೖΕΕ͹8ptʹͳΔΒ͍͠) 26
27. 27 class HogeViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() self.navigationItem.leftBarleftButtonItems = [ UIBarButtonItem(barButtonSystemItem: .fixedSpace, target: nil, action: nil), UIBarButtonItem(customView: view) ] } }
28. • iOS13Ҏ߱͸8ptΑΓ΋֎ଆʹButtonΛ഑ஔ͢Δͷ͸ແཧ • UIBarButtonItem(customView:)Λී௨ʹೖΕΔͱ֎ଆ͔Β16ptͷ ҐஔʹͳΔ • UIBarButtonItem(customView:)Ҏ֎ͷ UIBarButtonItem(barButtonSystemItem:)౳Λ࠷ॳʹೖΕΔͱ8ptʹ ͳΔ • ΋͸΍ΊΜͲ͍͘͞ͷͰUINavigationBarΛ࢖Θͳ͍΄͏͕ૣ͍͔ ΋ 28 ·ͱΊ
29. iOS13Ͱ΋NavigationBarButtonͷҐஔΛௐ੔͍ͨ͠ - Qiita https://qiita.com/rd0501/items/8e8254a23d87a9b2fea2 29 ࢀߟ
30. ͓ΘΓ 30