App Extensions

Topics

Extension Support

• NSExtensionContext
• NSExtensionRequestHandling

Quick Actions

• Add Functionality to Finder with Action Extensions
• NSExtensionServiceAllowsFinderPreviewItem
• NSExtensionServiceFinderPreviewLabel
• NSExtensionServiceFinderPreviewIconName
• NSExtensionServiceAllowsTouchBarItem
• NSExtensionServiceTouchBarLabel
• NSExtensionServiceTouchBarIconName
• NSExtensionServiceTouchBarBezelColorName

Mail Extensions

• Build Mail App Extensions

UTI Subtypes for Data Detector Types

• NSTypeIdentifierAddressText
• NSTypeIdentifierDateText
• NSTypeIdentifierPhoneNumberText
• NSTypeIdentifierTransitInformationText

See Also

App Structure

• App and Environment
• Documents, Data, and Pasteboard
• Cocoa Bindings
• Resource Management