ContactProvider

1. Creating a contact provider extension

   Covers ContactProviderExtension.

2. Managing an extension in an app

   Covers ContactProviderManager.

3. Working with domains

   Covers ContactProviderDomain, DefaultContactProviderDomain.

4. Providing contacts

   Covers ContactItem, ContactItemEnumerating, ContactItemEnumerator.

5. Receiving contacts

   Covers ContactItemContentObserver, ContactItemChangeObserver.

6. Supporting types

   Covers ContactProviderError.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

• Collaboration System
• ColorSync Graphics and Games
• Combine App Services
• Compositor Services Graphics and Games
• Compression System
• Compute Graph Graphics and Games
• Contacts App Services
• Contacts UI App Services
• Core AI App Services
• Core Animation Graphics and Games
• Core Audio Media
• Core Audio Types Media