abdullah4ai/share-extension
swiftship/internal/skills/data/features/share-extension/SKILL.md
Share extension: NSExtensionActivationRule, data handling, UI. Use when implementing app features related to share extensions.
$ install --global
skillsauthnpx skillsauth add abdullah4ai/apple-dev-docs share-extensionInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
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Socket.devSupply chain security analysis
50%
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VirusTotalMulti-engine malware detection
50%
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CrowdStrikeAdvanced threat intelligence
50%
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OSV-ScannerOpen Source Vulnerability database check
50%
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OWASP Dep-Check
50%
Last scanned: Mar 30, 2026, 4:55 AM37.0s1 file scanned
SKILL.md
- name:
- share-extension
- description:
- Share extension: NSExtensionActivationRule, data handling, UI. Use when implementing app features related to share extensions.
- tags:
- swiftui, ios, extensions
- platforms:
- ios
Share Extension
SHARE EXTENSION: SETUP: Requires separate extension target (kind: "share" in plan extensions array). The extension receives shared content (URLs, text, images) from other apps via the share sheet.
PRINCIPAL CLASS (in extension target): class ShareViewController: SLComposeServiceViewController { override func isContentValid() -> Bool { return contentText.count > 0 // Validate before enabling Post button }
override func didSelectPost() {
// Access shared items
guard let item = extensionContext?.inputItems.first as? NSExtensionItem,
let provider = item.attachments?.first else {
extensionContext?.completeRequest(returningItems: [], completionHandler: nil)
return
}
if provider.hasItemConformingToTypeIdentifier("public.url") {
provider.loadItem(forTypeIdentifier: "public.url") { [weak self] url, _ in
// Handle URL
self?.extensionContext?.completeRequest(returningItems: [], completionHandler: nil)
}
}
}
override func configurationItems() -> [Any]! {
return [] // Return SLComposeSheetConfigurationItem array for optional UI
}
}
INFO.PLIST KEYS (in extension's Info.plist via XcodeGen): NSExtensionPrincipalClass: $(PRODUCT_MODULE_NAME).ShareViewController NSExtensionActivationRule: NSExtensionActivationSupportsWebURLWithMaxCount: 1 NSExtensionActivationSupportsText: true
APP GROUP: Use AppGroup entitlement to share data between main app and extension.
Extension Configuration
Share Extension
SHARE EXTENSION: SETUP: Requires separate extension target (kind: "share" in plan extensions array). The extension receives shared content (URLs, text, images) from other apps via the share sheet.
PRINCIPAL CLASS (in extension target): class ShareViewController: SLComposeServiceViewController { override func isContentValid() -> Bool { return contentText.count > 0 // Validate before enabling Post button }
override func didSelectPost() {
// Access shared items
guard let item = extensionContext?.inputItems.first as? NSExtensionItem,
let provider = item.attachments?.first else {
extensionContext?.completeRequest(returningItems: [], completionHandler: nil)
return
}
if provider.hasItemConformingToTypeIdentifier("public.url") {
provider.loadItem(forTypeIdentifier: "public.url") { [weak self] url, _ in
// Handle URL
self?.extensionContext?.completeRequest(returningItems: [], completionHandler: nil)
}
}
}
override func configurationItems() -> [Any]! {
return [] // Return SLComposeSheetConfigurationItem array for optional UI
}
}
INFO.PLIST KEYS (in extension's Info.plist via XcodeGen): NSExtensionPrincipalClass: $(PRODUCT_MODULE_NAME).ShareViewController NSExtensionActivationRule: NSExtensionActivationSupportsWebURLWithMaxCount: 1 NSExtensionActivationSupportsText: true
APP GROUP: Use AppGroup entitlement to share data between main app and extension.
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