Types

CubicTimingParameters: The timing information for animations in the form of a cubic Bézier curve.
SpringTimingParameters: The timing information for animations that mimics the behavior of a spring.
InputViewController
Application: The centralised point of control and coordination for running applications.
Scene.ConnectionOptions
Scene
SceneConfiguration
SceneSession
WindowScene
TraitCollection
LayoutAnchor: A factory class for creating layout constraint objects using a fluent API.
LayoutConstraint
LayoutDimension: A factory class for creating size-based layout constraint objects using a fluent API.
LayoutGuide
LayoutXAxisAnchor: A factory class for creating horizontal layout constraint objects using a fluent API.
LayoutYAxisAnchor: A factory class for creating vertical layout constraint objects using a fluent API.
BezierPath
FocusAnimationCoordinator: A coordinator of focus-related animations during a focus update.
FocusMovementHint: Provides movement hint information for the focused item.
FocusUpdateContext: An object that provides information relevant to a specific focus update from one view to another.
Image.Configuration: A configuration object that contains the traits that the system uses when selecting the current image variant.
Image.SymbolConfiguration: An object that contains the specific font, size, style, and weight attributes to apply to a symbol image.
Image: An object that manages image data in your app.
Action: A menu element that performs its action in a closure.
CommandAlternate: An object representing an alternative action for a command.
Command: A menu element that performs its action in a selector.
ContextMenuConfiguration: Returns the configuration data to use when previewing the content.
ContextMenuInteraction: An interaction object that you use to display relevant actions for your content.
Menu: A container for grouping related menu elements in an application menu or contextual menu.
MenuElement: An object representing a menu, action, or command.
MenuSystem: An object representing a main or contextual menu system.
PreviewParameters: Additional parameters to use when animating a preview interface.
PreviewTarget: An object that specifies the container view to use for animations.
TargetedPreview
PointerInteraction: An interaction that enables support for effects on a view or customizes the pointer’s appearance within a region of an app.
PointerRegion
PointerRegionRequest: An object to describe the pointer’s location in the interaction’s view.
PointerStyle: An object that defines the pointer shape and effect.
Font: Represents a font.
FontDescriptor: A collection of attributes that describes a font.
FontMetrics
Event: An object that describes a single user interaction with your app.
GestureRecognizer
Press: An object that represents the presence or movement of a button press on the screen for a particular event.
PressesEvent: An event that describes the state of a set of physical buttons that are available to the device, such as those on an associated remote or game controller.
Responder
TapGestureRecognizer: A discrete gesture recognizer that interprets single or multiple taps.
Touch: An object representing the location, size, movement, and force of a touch occurring on the screen.
SceneSizeRestrictions
PresentationController: An object that manages the transition animations and the presentation of view controllers onscreen.
ViewController: An object that manages a view hierarchy for your application.
BarButtonItem: A specialized button for placement on a toolbar or tab bar.
BarButtonItemGroup: A set of bar button items on the shortcuts bar.
BarItem: An abstract superclass for items that you can add to a bar that appears at the bottom of the screen.
Button: A control that executes your custom code in response to user interactions.
Control: The base class for controls, which are visual elements that convey a specific action or intention in response to user interactions.
DatePicker
EdgeInsets
ImageView: An object that displays a single image or a sequence of animated images in your interface.
Label
PickerView: A view that shows one or more sets of values.
ProgressView
Slider: A control for selecting a single value from a continuous range of values.
Stepper: A control for incrementing or decrementing a value.
Switch: A control that offers a binary choice, such as on/off.
ContextualAction: An action to display when the user swipes a table row.
SwipeActionsConfiguration: The set of actions to perform when swiping on rows of a table.
TableView: A view that presents data using rows arranged in a single column.
TableViewCell: The visual representation of a single row in a table view.
TableViewFocusUpdateContext: A context object that provides information relevant to a specific focus update from one view to another.
TableViewHeaderFooterView: A reusable view that you place at the top or bottom of a table section to display additional information for that section.
TextField
TextView
View: An object that manages the content for a rectangular area on the screen.
VisualEffect: An initializer for visual effect views and blur and vibrancy effect objects.
AlertAction: An action that can be taken when the user taps a button in an alert.
AlertController: An object that displays an alert message to the user.
Screen
Window: The backdrop for your application’s user interface and the object that dispatches events to your views.
TimingCurveType: Constants indicating the type of timing information to use.
ViewAnimatingPosition: Constants indicating positions within the animation.
ViewAnimatingState: Constants indicating the current state of the animation.
ModalPresentationStyle: Modal presentation styles available when presenting view controllers.
Application.State: The running states of the application
InterfaceOrientation: The orientation of the application’s user interface
Device.BatteryState
Device.Orientation
UserInterfaceSizeClass: Constants that indicate the size class of a view.
DisplayGamut: Constants that indicate the gamut of the current display.
UserInterfaceStyle: Constants that indicate the interface style for the application.
UserInterfaceActiveAppearance: Constants that indicate whether the user interface has an active appearance.
UserInterfaceIdiom: Constants that indicate the interface type for the device or an object that has a trait environment, such as a view and view controller.
UserInterfaceLevel: Constants that indicate the visual level for content in the window.
TraitEnvironmentLayoutDirection: Constants that indicate the layout direction associated with the current environment.
AccessibilityContrast: Constants that indicate the accessibility contrast setting.
LegibilityWeight: The font weight to apply to text.
ForceTouchCapability: Keys that indicate the availability of 3D Touch on a device.
ListContentConfiguration.TextProperties.TextAlignment: Constants that specify the visual alignment of the text.
ListContentConfiguration.TextProperties.TextTransform
LayoutConstraint.Relation: The relation between the first attribute and the modified second attribute in a constraint.
LayoutConstraint.Attribute: The part of the object’s visual representation that should be used to get the value for the constraint.
Rect.Edge: Coordinates that establish the edges of a rectangle.
SpringLoadedInteractionEffectState: The spring-loaded interaction states that determine the style of the interaction view.
Image.SymbolWeight: Constants that indicate which weight variant of a symbol image to use.
Image.SymbolScale
ContextMenuInteraction.Appearance: Constants that describe the appearance of the menu.
ContextMenuInteractionCommitStyle: Constants that control the interaction commit style.
MenuElement.State: Constants that indicate the state of an action-based or command-based menu element.
PointerEffect.TintMode: An effect that defines how to apply a tint to a view during a pointer interaction.
PointerEffect: An effect that alters a view’s appearance when a pointer enters the current region.
PointerShape: An object that defines the shape of custom pointers.
LineBreakMode: Constants that specify what happens when a line is too long for its container.
Event.EventType: Specifies the general type of event.
Event.EventSubtype: Specifies the subtype of the event in relation to its general type.
GestureRecognizer.State: The current state a gesture recognizer is in.
Press.Phase: The phases of a button press.
Press.PressType: Constants that represent buttons that a user can press.
Touch.TouchType: The type of touch received.
Touch.Phase: The phase of a touch event.
ModalTransitionStyle: Transition styles available when presenting view controllers.
BarButtonItem.SystemItem: Defines system-supplied images for bar button items.
BarButtonItem.Style: The system close button.
BarMetrics: Constants to specify metrics to use for appearance.
Button.ButtonType: Specifies the style of a button.
DatePickerStyle
Switch.Style: Styles that determine the appearance of the switch.
ContextualAction.Style: Constants indicating the style information that is applied to the action button.
TableView.Style
TableViewCell.CellStyle
TableViewCell.EditingStyle: The editing control used by a cell.
TextAlignment
View.ContentMode: Options to specify how a view adjusts its content when its size changes.
View.AnimationCurve: Specifies the supported animation curves.
View.TintAdjustmentMode: The tint adjustment mode for the view.
AlertAction.Style: Styles to apply to action buttons in an alert.
AlertController.Style: Constants indicating the type of alert to display.
TransitionContextViewControllerKey: The keys you use to identify the view controllers involved in a transition.
TransitionContextViewKey: The keys you use to identify the views involved in a transition.
ContentSizeCategory: Constants that indicate the preferred size of your content.
InterfaceOrientationMask: These constants are mask bits for specifying a view controller’s supported interface orientations.
Device
SceneSession.Role: Constants that indicate the possible roles for a scene.
BackgroundConfiguration: A configuration that describes a specific background appearance.
CellConfigurationState: A structure that encapsulates a cell’s state.
ConfigurationColorTransformer: A transformer that generates a modified output color from an input color.
ConfigurationStateCustomKey: A key that defines a custom state for a view.
ListContentConfiguration.ImageProperties: Properties that affect the list content configuration’s image.
ListContentConfiguration.TextProperties: Properties that affect the list content configuration’s text.
ListContentConfiguration: A content configuration for a list-based content view.
ViewConfigurationState: A structure that encapsulates a view’s state.
Application.LaunchOptionsKey: Keys used to access values in the launch options dictionary passed to your application at initialization time.
LayoutPriority: The layout priority is used to indicate to the constraint-based layout system which constraints are more important, allowing the system to make appropriate tradeoffs when satisfying the constraints of the system as a whole.
Transform3D: The standard transform matrix.
AffineTransform: An affine transformation matrix for use in drawing 2D graphics.
Point: A structure that contains a point in a two-dimensional coordinate system.
Rect: A structure that contains the location and dimensions of a rectangle.
Size: A structure that contains width and height values.
Vector: A structure that contains a two-dimensional vector.
Color: An object that stores color data and sometimes opacity.
FocusSoundIdentifier: An identifier for a focus-related sound.
FocusHeading: The general type of an event.
Action.Identifier: A type that represents an action identifier.
KeyModifierFlags: Constants that indicate which modifier keys are pressed.
Menu.Identifier: Constants for identifying an application’s standard menus.
Menu.Options: Options for configuring a menu’s appearance.
MenuElement.Attributes: Attributes that determine the style of the menu element.
_Win32WindowText
Font.Weight: Constants that represent standard font weights.
Font.TextStyle: Constants that describe the preferred styles for fonts.
FontDescriptor.SystemDesign: Constants that describe the system-defined typeface designs.
FontDescriptor.SymbolicTraits: Constants that describe the stylistic aspects of a font.
FontDescriptor.AttributeName: Constants that describe font attributes.
FontDescriptor.FeatureKey: Keys for retrieving feature settings.
FontDescriptor.TraitKey
Event.ButtonMask: Set of buttons pressed for the current event
RectEdge: Constants that specify the edges of a rectangle.
Axis: Defines a structure that specifies the layout axes.
Control.State: The state of the control, specified as a bit mask value.
Control.Event: Constants describing the types of events possible for controls.
DirectionalEdgeInsets: Edge insets that take language direction into account.
DirectionalRectEdge: Constants that specify an edge or a set of edges, taking the user interface layout direction into account.
Offset: A structure that specifies an amount to offset a position.
View.AnimationOptions: Options for animating views using block objects.
View.AutoresizingMask: Options for automatic view resizing.
Window.Level: The positioning of windows relative to each other.

Protocols

TimingCurveProvider: An interface for providing the timing information needed to perform animations.
ViewAnimating: An interface for implementing custom animator objects.
ViewImplicitlyAnimating: An interface for modifying an animation while it is running.
ViewControllerAnimatedTransitioning: A set of methods for implementing the animations for a custom view controller transition.
ViewControllerInteractiveTransitioning: A set of methods that enable an object (such as a navigation controller) to drive a view controller transition.
ViewControllerTransitionCoordinator
ViewControllerTransitionCoordinatorContext: A set of methods that provides information about an in-progress view controller transition.
ViewControllerTransitioningDelegate: A set of methods that vend objects used to manage a fixed-length or interactive transition between view controllers.
ViewControllerContextTransitioning: A set of methods that provide contextual information for transition animations between view controllers.
AdaptivePresentationControllerDelegate: A set of methods that, in conjunction with a presentation controller, determine how to respond to trait changes in your application.
ApplicationDelegate: A set of methods used to manage shared behaviours for the application.
SceneDelegate
WindowSceneDelegate: Additional methods that you can use to manage application specific tasks occurring in a scene.
TraitEnvironment: A set of methods that makes the interface environment available to your application.
Appearance: A collection of methods that gives you access to the appearance proxy for a class.
AppearanceContainer: A protocol that a class must adopt to allow appearance customization using the Appearance API.
ConfigurationState: The requirements for an object that encapsulate a view’s state.
ContentConfiguration: The requirements for an object that provides the configuration for a content view.
ContentView: The requirements for a content view that you create using a configuration.
_TriviallyConstructible
LayoutSupport: A set of methods that provide layout support and access to layout anchors.
SpringLoadedInteractionContext: The interface an object implements to provide information about a spring-loaded interaction.
FocusAnimationContext: Information about focusing animations being performed by the system.
FocusEnvironment: A set of methods that define the focus behavior for a branch of the view hierarchy.
FocusItem: An object that can become focused.
FocusItemContainer: The container responsible for providing geometric context to focus items within a given focus environment.
TextInputTraits
ContextMenuInteractionAnimating: Methods adopted by system-supplied animator objects when interacting with context menus.
ContextMenuInteractionCommitAnimating: Methods adopted by system-supplied animator objects when committing preview-related animations.
ContextMenuInteractionDelegate: The methods for providing the set of actions to perform on your content, and for customizing the preview of that content.
MenuBuilder: An interface for adding and removing menus from a menu system.
PointerInteractionAnimating: An interface for modifying an interaction animation in coordination with the pointer effect animations.
PointerInteractionDelegate: An interface for handling pointer movements within the interaction’s view.
GestureRecognizerDelegate: A set of methods implemented by the delegate of a gesture recognizer to fine-tune an application’s gesture-recognition behavior.
ContentSizeCategoryAdjusting: A collection of methods that gives controls an easy way to adopt automatic adjustment to content category changes.
ContentSizeCategoryImageAdjusting: Methods to determine when to adjust images for different content size categories.
Interaction: The protocol that an interaction implements to access the view that owns it.
ContentContainer: A set of methods for adapting the contents of your view controllers to size and trait changes.
PickerViewDataSource: Mediates between a PickerView object and your application’s data model for that picker view.
PickerViewDelegate: The delegate of a PickerView object must adopt this protocol and implement at least some of its methods to provide the picker view with the data it needs to construct itself.
TableViewDataSource
TableViewDelegate: Methods for managing selections, configuring section headers and footers, deleting and reordering cells, and performing other actions in a table view.
TextFieldDelegate
CoordinateSpace: A set of methods for converting between different frames of reference on a screen.

Global Functions

ApplicationMain(_:_:_:_:)

Types

Protocols

Global Functions

Extensions

Table of contents