An identifier for the type of service being provided.
- iOS 10.0+
- Mac Catalyst 13.0+Beta
A string that identifies the provided service to your app.
This method returns
nil by default. Subclasses must override this method and return a valid string that identifies the application service. This string is not presented to the user.
Getting the Activity Information
Returns the category of the activity, which may be used to group activities in the UI.
Activities have a defined category, and the activity UI may show activities grouped by category.
Activity types for which the system has built-in support.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.Learn more about using Apple's beta software