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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Materials adapt automatically to the system appearance, including light and dark changes. Posted whenever an NSWindow object is about to move. To check for new features provided by Cocoa frameworks at runtime, look for a given new class or method dynamically.

Table 1 describes keys for an NSDictionary object containing information about an app. Style are now NSDate Picker.

Number List Options The options that may be passed to the window Numbers options: A hypothetical example in a future version of NSApplication. For example, the scrollable Text View method instantiates a text view packaged inside an NSScroll View that is best used as a UI component like the Comments section in Finder and Calendar inspector panels.

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AppKit | Apple Developer Documentation

Event Type Mask, until: A set of optional methods that a delegate of NSWindow can implement to respond to events, such as window resizing, moving, exposing, and minimizing. 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. Working with Window Depths. Int Returns the bits per pixel for the specified window depth.

The changes include formalizing informal protocols; moving enumerations to a common-prefix identifier convention; hoisting Swift declarations into appropriate local namespaces; renaming some functions for Swift; replacing functions with computed properties; adding setters for some previously read-only array-valued properties; and similar enhancements that are discussed in these release notes.


Reenables the flush method for the window after referecne was disabled through a previous disable Flushing message.

As before, if a view needs to be redrawn, set its needs Display property to true. The following keys are available in the user Info parameter of the notification named did Rename Volume Notification. The two principal functions of a window are to provide an area in which views can be placed and to accept and distribute, to the appropriate views, events the user instigates through actions with the mouse and keyboard.

The asset catalog is backward compatible with older releases, where the Light aqua appearance asset is used. You may not be able to opt out of supporting Dark mode in future versions of macOS. Toggle buttons use the color to indicate the on state. You make the credits area match the appearance of an app by supplying the credits as an attributed string or by placing a Credits.

Application Kit

Explicitly setting the appearance was necessary in earlier versions of macOS. When an app links on the macOS Style Mask These constants specify the style of appkiit window, and can be combined using the C bitwise OR operator. Sign up using Email and Password. API Collection Animation Animate your views and other content to create a more engaging experience for users. Bool A Boolean value that indicates whether the window tries to optimize user-initiated resize operations by preserving the content of views that have not changed.

A Boolean value that indicates whether the window can be dragged by clicking in its title bar or background.

The new appearance document attribute controls how the underlying unnamed colors are represented when you save rich text. By using appit site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Email Required, but never shown. Level The standard window levels in macOS.


Framewok time you set the fill or stroke color for drawing, NSColor applies the appropriate color value from the asset catalog. EduAlm 2 7 Name Posted when the window will enter full screen mode.

Button Type These constants provide a way to access standard title bar buttons: Managing the Desktop Image. Display a list-based interface for hierarchical data, where each level of hierarchy is indented from the previous one.

Views and Controls | Apple Developer Documentation

Returns the mount points of all local volumes, not just the removable ones returned by mounted Removable Media. Bool A Boolean value that indicates whether the window automatically recalculates the key view loop when views are added.

Event Type Mask, timeout: API Collection Menus, Cursors, and the Dock Implement menus and cursors to referecne interactions with your app, and use your app’s Dock tile to convey updated information. Bool A Boolean value that indicates whether the window can be dragged by clicking in its title bar or background. A window that an app displays on the screen.

Bool A Boolean value that indicates whether the window can display tooltips even when the application is in the background. Check the images in your interface to make sure they look good in both light and dark appearances.

Apppkit The items property is now settable. Bool A Boolean value that indicates whether the window has a shadow. Although the NSColor object in the following example updates automatically, the background color of the layer does not. You can use constraints to define both a minimum and maximum size that will be calculated by AppKit.