Index of Apple developer documentation for iOS, macOS, and related frameworks. Use when looking up what APIs exist in a framework, browsing available documentation, or deciding what docs to fetch. Covers SwiftUI, UIKit, Core Animation (QuartzCore), XCTest, HealthKit, Combine, SwiftData, and more.
API reference: MapKit for SwiftUI. Map view, Marker, Annotation, camera positions, map features.
API reference: SwiftUI. Query for views, layouts, navigation, @State/@Binding/@Observable, view modifiers, NavigationStack, iOS 26+ features.
API reference: TipKit. Tip protocol, TipView, PopoverTipView, Tips.configure, inline and popover tips.
API reference: XCUITest. Query for element queries, waiting patterns, Swift 6 @MainActor, assertions, screenshots, launch arguments.
API reference: Core Animation (QuartzCore). Query for CALayer, CAAnimation, CABasicAnimation, CAKeyframeAnimation, CASpringAnimation, CATransaction, CAShapeLayer, CAGradientLayer, CAEmitterLayer, CATransform3D, CADisplayLink.
API reference: App Intents. Query for Siri, Shortcuts, Spotlight integration, exposing app functionality.
API reference: Combine. Query for publishers, subscribers, operators, async data streams.