Core App. Learn about the objects that you use to interact with the system. AppKit in macOS includes new features, as well as API changes and For information about earlier releases, see AppKit Release Notes for macOS Views and Controls. Present and define the interactions for your content.

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I’m guessing because the actual version number of the shipping AppKit of For example, the following statement uses an NSWorkspace object to request that a file be opened in the TextEdit app: This change was made for types with values that pass through the API to drive things like named asset lookup.

Style are now NSDate Picker. Depth The depth limit of the window.

Present and define the refdrence for your content onscreen. The event currently being processed by the application. Many NSView Controller methods for managing and presenting child controllers are likewise renamed for greater conciseness in Swift by removing redundant occurrences of View Controller.

API Collection Animation Animate your views and other content to create a more engaging experience for users. These effects update automatically as the appearance context changes. The relationship between two user interface objects that must be satisfied by the constraint-based layout system. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

Handles the save AppleScript command by attempting to save the window and its associated document, if any.

Application Kit

Name Posted when frameqork machine wakes from sleep. The custom miniaturized window image of the window. You use the asset catalog editor to specialize the color definition for the Dark and Increased Contrast modes. Use the appearance pop-up menu to configure whether your Color Set asset has custom slots for light and dark appearances. The scrollable Document Content Text View and scrollable Plain Document Content Text View methods display document contents franework for user documents, like the plain text and rich text modes in TextEdit.


API Collection Menus, Cursors, and the Dock Implement menus and cursors to facilitate interactions with your app, and use your app’s Dock tile to convey updated information. Int Sets the zero-based position rramework the receiver, based on its order from front to back among all visible application windows, to the value specified by index. Documents in the reference library are organized by resource type, which allows you to choose the type of document most relevant to your needs, including sample code.

You do not have to change materials manually. Moves the window framweork the front of its level in the screen list, without changing either the key window or the main window. Display a list of values in a pop-up referehce that lets the user select a value or type in a custom value. Bool A Boolean value that indicates whether the window automatically recalculates the key view loop when views are added.

Use a semantic color defined by the NSColor class.

This action method simulates the user clicking the close button by momentarily highlighting the button and then closing the window. Bool Initializes the window with the app,it values. Represent colors using built-in or custom formats, and give users options for selecting and applying colors. Returns a new instance of a given standard window button, sized appropriately for a given window style.

You can check for the version of the system an app was built against, and if your app is running on an older system, modify its behavior to be more compatible.

Material includes new semantic materials in macOS These text fields get the emphasized interior background style by default if they’re inside a selected table row. Authorization Type, completion Handler: NSDragging Info NSDragging Info APIs that were previously declared xppkit getter methods are now declared as read-only properties, which means they can now be accessed as properties in Swift, without needing the parenthesized function call syntax.

Modeand NSDate Picker. Your app’s user interface provides visual, audible, and tactile feedback to the user about what your app is doing. Views that implicitly depend on frameework redrawn when an ancestor, descendant, or intersecting sibling is redrawn may not be redrawn. The resulting named colors are fully dynamic, and adapt to their context without requiring an explicit refresh. AppKit’s Swift interface is improved in macOS Overview AppKit in macOS Brian Postow 5, 13 58 These two functions are now deprecated.


If you encounter an exception noting that “there must be 1 draggingItem per pasteboardItem,” you need to ensure that the number of pasteboard items you add is the same as the number of drag items you’re using.

Supporting Dark Mode in Your Interface | Apple Developer Documentation

Returns the full pathnames of all currently mounted removable disks. You can also adopt a specific appearance for your entire app. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. To check for new features provided by Cocoa frameworks at runtime, look for a given new class or method dynamically. Posted whenever an NSWindow object is about to move. Returns the mount points of all local volumes, not just the removable ones returned by mounted Removable Media.

Requests the system wait for the specified amount of time before turning off the power or logging out the user. The same exception occurs if you use the deprecated drag and drop API. Name Posted whenever an NSWindow object is about to open a sheet.

Returns the URL for the app with the specified identifier. For papkit views, there are ways to implement your views that allow them to adapt gramework to both light and dark appearances as well.