Agent skills for iOS, iPadOS, Swift, SwiftUI, and modern Apple framework development.
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Use this when implementing invocation URL routing, App Store Connect experiences, Local Experiences, Safari Smart App Banners, QR/NFC/App Clip Codes, AASA, or associated domains.
App Clips receive an NSUserActivity of type NSUserActivityTypeBrowsingWeb. Route from the invocation URL and keep the same router available to the full app.
@main
struct DonutShopClip: App {
var body: some Scene {
WindowGroup {
ContentView()
.onContinueUserActivity(NSUserActivityTypeBrowsingWeb) { activity in
handleInvocation(activity)
}
}
}
private func handleInvocation(_ activity: NSUserActivity) {
guard let url = activity.webpageURL,
let components = URLComponents(url: url, resolvingAgainstBaseURL: true)
else { return }
let locationID = components.queryItems?
.first(where: { $0.name == "location" })?.value
routeToLocation(id: locationID)
}
}For UIKit scene-based apps, distinguish notification from handling:
connectionOptions.userActivities in scene(_:willConnectTo:options:).NSUserActivity in scene(_:continue:).scene(_:willContinueUserActivityWithType:) can tell you a continuation is coming, but it does not provide the activity or URL.Key rule: The full app must handle every invocation URL the App Clip supports. After a user installs the full app, it replaces the App Clip and receives future invocations.
Configure experiences in App Store Connect after uploading a build containing the App Clip.
appclip.apple.com URL.For custom URLs, add entries to the Associated Domains entitlement on both the full app and App Clip targets, and host an AASA file:
appclips:example.com| Method | Requirements |
|---|---|
| App Clip Codes | Advanced experience for production; short demo App Clip link for demo codes; NFC-integrated or scan-only |
| NFC tags | Encode invocation URL in an NDEF payload; physical trigger for size-policy decisions |
| QR codes | Encode invocation URL; physical trigger for size-policy decisions |
| Safari Smart App Banners | Associate the App Clip with the website and add the banner meta tag |
| Maps | Advanced experience with place association |
| Messages | Share invocation URL as text; demo links have limited preview behavior |
| Siri Suggestions | Location-based; requires advanced experience for location suggestions |
| Other apps with Link Presentation | Can surface App Clip experiences through rich link metadata |
Other apps using SwiftUI Link / UIApplication.open(_:) | Open default, associated-website, or demo-link URLs; advanced App Clip experiences are not supported for this launch path |
Add this meta tag to your website to show the App Clip banner:
<meta name="apple-itunes-app"
content="app-id=YOUR_APP_ID, app-clip-bundle-id=com.example.MyApp.Clip,
app-clip-display=card">Use app-clip-display=card when the webpage should display the App Clip card in Safari or SFSafariViewController on iOS 15+. Do not rely on app-argument for App Clips; Apple documents app-argument for full-app Smart App Banners, not App Clip launches.
Test the invocation path, not just direct Xcode launch:
// Use the _XCAppClipURL environment variable in the scheme,
// or register a Local Experience in Settings → Developer → Local Experiences.A direct Xcode launch can skip the invocation path and hide routing bugs.
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