Technologies›Area 1

UI & App Frameworks

46 frameworks

UI and App Frameworks provide the building blocks for constructing an application's interface and managing its lifecycle across Apple platforms. They define views, controls, layout, and event handling—spanning the declarative SwiftUI model and the imperative UIKit and AppKit frameworks—along with supporting frameworks for charts, widgets, Live Activities, web content, and platform-specific surfaces such as CarPlay and watchOS. Together these frameworks render content, respond to user input, and present app data wherever the system surfaces it.

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SwiftUI532 types

Declarative framework for building user interfaces across all Apple platforms with views, modifiers, state, and accessibility.

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The primary framework for building event-driven graphical user interfaces on iOS, including views, controls, and app lifecycle.

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AppKit534 types

Core macOS application UI framework: windows, views, controls, alerts and event handling for building Mac apps.

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WidgetKit54 types

Build home/lock screen widgets and Live Activities using SwiftUI, App Intents, and timeline-driven content updates.

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ActivityKit10 types

Start, update, and end Live Activities to show real-time app data on the Lock Screen and in the Dynamic Island.

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AlarmKit7 types

Describe and schedule alarms and countdown timers that alert once or on a repeating schedule, with Live Activity and AppIntents integration.

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BrowserEngineCore1 types

Low-level browser engine support including audio session management for third-party web browser engines.

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BrowserEngineKit59 types

Lets third-party browsers build a web engine with sandboxed content/networking/GPU helper processes, layer hosting, and input handling.

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CarPlay132 types

Build apps that present navigation, audio, communication, and other templated interfaces on the in-car CarPlay screen.

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SwiftUI framework for building declarative, data-driven charts and graphs with marks, axes, annotations and overflow resolution.

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ClassKitUI3 types

Provides UIKit menu elements for students to submit and withdraw ClassKit assigned documents directly from the UI.

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ClockKit104 types

Build watchOS complications: data sources, templates and timeline entries that display app info on the watch face.

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Umbrella framework for macOS app development bundling AppKit, Foundation, and Core Data.

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EventKitUI10 types

UIKit view controllers for choosing, viewing, and editing calendar events and calendars backed by EventKit.

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InputMethodKit5 types

Framework for building macOS input methods: input controllers, IMK servers and candidate windows for text entry.

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JournalingSuggestions5 types

Provides high-level info about suggestions a person picks in the journaling suggestions picker for journaling apps.

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LinkPresentation5 types

Fetches and displays rich link metadata and preview views for URLs shared in apps.

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PaperKit18 types

UI and data models for rich paper-style markup and drawing canvases built atop PencilKit.

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PencilKit32 types

Capture Apple Pencil and touch input on a canvas to create, edit, and render hand-drawn ink drawings in apps.

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PreferencePanes2 types

Builds System Preferences/Settings preference pane bundles (NSPreferencePane) for configuring macOS system settings.

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QuickLook5 types

Preview documents and files inline, presenting Quick Look previews of provided URLs and supporting preview extensions.

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QuickLookUI11 types

AppKit UI for previewing documents and files inline, including PDF and Quick Look preview controllers.

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RelevanceKit1 types

Supplies contextual clues (location, time) the system uses to rank and surface relevant widgets in the watchOS Smart Stack.

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ScreenSaver2 types

Build macOS screen savers, providing the screen saver view and a defaults store for saving and restoring screen saver preferences.

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SuggestedActions2 types

Provides SwiftUI views for generating and displaying suggested actions from message context, with support for message history and caching.

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SwiftUICore270 types

Core declarative UI primitives underlying SwiftUI: views, environment, layout, and accessibility descriptors.

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Displays contextual tips that teach app features, with eligibility rules, display frequency, and SwiftUI/UIKit tip views.

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TVMLKit38 types

Deprecated tvOS framework for building app interfaces and controllers using TVML markup and JavaScript, including view controllers, element factories, and styling components.

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TVServices20 types

tvOS framework providing Top Shelf content providers, carousel items, and TV app profile management for featured content display.

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TVUIKit17 types

tvOS UIKit additions: focusable controls, posters, captions, lockup/monogram and TV-specific UI.

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UserNotificationsUI3 types

Provides custom UI for notification content extensions, including media button controls in notifications.

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WatchKit89 types

watchOS app UI and lifecycle: interface controllers, complications host, haptics and device info.

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WebKit214 types

Embeds web content in apps via WKWebView with navigation, scripting, content rules, downloads, and custom URL scheme handlers.

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_ClockKit_SwiftUI overlay16 types

Cross-import overlay providing SwiftUI complication/gauge views for ClockKit.

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_CoreLocation_SwiftUI overlay

SwiftUI views and modifiers for CoreLocation functionality such as location-based display and interaction.

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_CoreMotion_SwiftUI overlay

SwiftUI views and modifiers for CoreMotion sensor data integration in apps.

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_FoundationModels_UIKit overlay

UIKit bridge extending FoundationModels attachments with UIImage convenience initializers.

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_GroupActivities_UIKit overlay3 types

iOS view controller that displays the system interface for starting a SharePlay GroupActivities session.

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_HomeKit_SwiftUI overlay1 types

SwiftUI views for HomeKit, such as CameraView rendering an HMCameraSource feed.

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_Intents_TipKit overlay

Cross-import overlay bridging TipKit with Intents to associate tips with SiriKit/App Intents donations.

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_MusicKit_SwiftUI overlay3 types

SwiftUI views for MusicKit, such as displaying a music item's artwork image.

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_PermissionKit_SwiftUI overlay3 types

SwiftUI actions and views to send permission questions to a parent or guardian and handle their approval responses.

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_PhotosUI_WidgetKit overlay

Bridges PhotosUI with WidgetKit so photo-based content can be presented in SwiftUI widgets.

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_QuickLook_SwiftUI overlay

SwiftUI view modifiers that present Quick Look previews of file URLs via a binding.

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_WatchKit_SwiftUI overlay1 types

Cross-import overlay providing SwiftUI views for WatchKit (e.g. now-playing/audio source).

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_WebKit_SwiftUI overlay2 types

SwiftUI WebView and WebPage types for embedding and controlling web content within SwiftUI apps.

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