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AppKit 的新功能
探索 Mac App 开发方面的最新进展。简要了解 macOS Sequoia 的新功能,以及如何将这些功能应用到你的 App 中。探索将现有代码与 SwiftUI 整合在一起的多种新方式。了解工具栏、菜单、文本输入等各种 AppKit 控件的改进。
章节
- 0:00 - Introduction
- 0:49 - New macOS features
- 0:52 - Writing Tools, Genmoji, and Image Playground
- 3:31 - Window Tiling
- 6:21 - More SwiftUI integrations
- 6:41 - Build menus with SwiftUI
- 7:39 - Get animated with SwiftUI
- 8:20 - API refinements
- 8:44 - Context menu refinements
- 9:42 - Text highlighting
- 11:00 - SF Symbols
- 11:59 - Save Panel refinements
- 13:04 - Cursors refinements!
- 15:21 - Toolbar refinements
- 17:22 - Text entry suggestions
资源
相关视频
WWDC24
WWDC23
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下载Array
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2:09 - Adding the Image Playground experience
extension DocumentCanvasViewController { @IBAction func importFromImagePlayground(_ sender: Any?) { // Initialize the playground, get set up to be notified of lifecycle events. let playground = ImagePlaygroundViewController() playground.delegate = self // Seed the playground with concepts and source imagery. (Optional) playground.concepts = [.text("birthday card")] playground.sourceImage = NSImage(named: "balloons") presentAsSheet(playground) } } extension DocumentCanvasViewController: ImagePlaygroundViewController.Delegate { func imagePlaygroundViewController( _ imagePlaygroundViewController: ImagePlaygroundViewController, didCreateImageAt resultingImageURL: URL ) { if let image = NSImage(contentsOf: resultingImageURL) { imageView.image = image } else { logger.error("Could not read image at \(resultingImageURL)") } dismiss(imagePlaygroundViewController) } }
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5:50 - Using window resize increments
window.resizeIncrements = NSSize(width: characterWidth, height: characterHeight)
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7:05 - Build menus with SwiftUI
struct ActionMenu: View { var body: some View { Toggle("Use Groups", isOn: $useGroups) Picker("Sort By", selection: $sortOrder) { ForEach(SortOrder.allCases) { Text($0.title) } }.pickerStyle(.inline) Button("Customize View…") { <#Action#> } } } let menu = NSHostingMenu(rootView: ActionMenu()) let pullDown = NSPopUpButton(image: image, pullDownMenu: menu)
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7:43 - Get animated with SwiftUI
NSAnimationContext.animate(with: .spring(duration: 0.3)) { drawer.isExpanded.toggle() }
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7:55 - Get animated with SwiftUI
class PaletteView: NSView { @Invalidating(.layout) var isExpanded: Bool = false private func onHover(_ isHovered: Bool) { NSAnimationContext.animate(with: .spring) { isExpanded = isHovered layoutSubtreeIfNeeded() } } }
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10:31 - Text highlighting
let attributes: [NSAttributedString.Key: Any] = [ .textHighlight: NSAttributedString.TextHighlightStyle.systemDefault, .textHighlightColorScheme: NSAttributedString.TextHighlightColorScheme.pink, ]
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11:11 - SF Symbols effects
imageView.addSymbolEffect(.wiggle) imageView.addSymbolEffect(.rotate) imageView.addSymbolEffect(.breathe)
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11:24 - SF Symbols playback (periodic)
imageView.addSymbolEffect(.wiggle, options: .repeat(.periodic(3, delay: 0.5)))
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11:30 - SF Symbols playback (continuous)
imageView.addSymbolEffect(.wiggle, options: .repeat(.continuous))
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11:37 - SF Symbols magic replace
imageView.setSymbolImage(badgedSymbolImage, contentTransition: .replace)
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12:19 - Save panel content types
extension ImageViewController: NSOpenSavePanelDelegate { @MainActor @IBAction internal func saveDocument(_ sender: Any?) { Task { let savePanel = NSSavePanel() savePanel.delegate = self savePanel.identifier = NSUserInterfaceItemIdentifier("ImageExport") savePanel.showsContentTypes = true savePanel.allowedContentTypes = [.png, .jpeg] let result = await savePanel.beginSheetModal(for: window) switch result { case .OK: let url = savePanel.url // Save the document to 'url'. It already has the appropriate extension. case .cancel: break default: break } } } func panel(_ panel: Any, displayNameFor type: UTType) -> String? { switch type { case .png: NSLocalizedString("PNG (Greater Quality)", comment: <#Comment#>) case .jpeg: NSLocalizedString("JPG (Smaller File Size)", comment: <#Comment#>) default: nil } } }
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13:34 - Frame-resize cursors
let cursor = NSCursor.frameResize(position: .bottomRight, directions: .all)
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14:20 - Column and row resize cursors
let cursor = NSCursor.columnResize(directions: .left) let cursor = NSCursor.rowResize(directions: .up)
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14:29 - Zoom in and out cursors
let cursor = NSCusor.zoomIn let cursor = NSCusor.zoomOut
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15:57 - Display mode customizable toolbar
let toolbar = NSToolbar(identifier: NSToolbar.Identifier("ViewerWindow")) toolbar.allowsDisplayModeCustomization // Defaults to `true`.
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16:57 - Hidden toolbar items
let downloadsToolbarItem: NSToolbarItem downloadsToolbarItem.isHidden = downloadsManager.downloads.isEmpty
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17:49 - Text entry suggestions
class MYViewController: NSViewController { let museumTextField = NSTextField(string: "") let museumTextSuggestionsController = MuseumTextSuggestionsController() override func viewDidLoad() { super.viewDidLoad() self.museumTextField.suggestionsDelegate = self.museumTextSuggestionsController } } class MuseumTextSuggestionsController: NSTextSuggestionsDelegate { typealias SuggestionItemType = Museum func textField( _ textField: NSTextField, provideUpdatedSuggestions responseHandler: @escaping ((ItemResponse) -> Void) ) { let searchString = textField.stringValue func museumItem(_ museum: Museum) -> Item { var item = NSSuggestionItem(representedValue: museum, title: museum.name) item.secondaryTitle = museum.address return item } let favoriteMuseums = Museum.favorites.filter({ $0.matches(searchString) }) let favorites = NSSuggestionItemSection( title: NSLocalizedString("Favorites", comment: "The title of suggestion results section containing favorite museums."), items: favoriteMuseums.map(museumItem(_:)) ) var response = NSSuggestionItemResponse(itemSections: [favorites]) response.phase = .intermediate responseHandler(response) Task { let otherMuseums = await Museum.allMatching(searchString) let nonFavorites = NSSuggestionItemSection(items: otherMuseums.map(museumItem(_:))) var response = NSSuggestionItemResponse(itemSections: [ favorites, nonFavorites, ]) response.phase = .final responseHandler(response) } } }
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