contacts-frameworklisted

# Contacts Framework Fetch, create, update, and pick contacts from the user's Contacts database using `CNContactStore`, `CNSaveRequest`, and `CNContactPickerViewController`. Targets Swift 6.3 / iOS 26+. ## Contents - [Setup](#setup) - [Authorization](#authorization) - [Fetching Contacts](#fetching-contacts) - [Key Descriptors](#key-descriptors) - [Creating and Updating Contacts](#creating-and-updating-contacts) - [Contact Picker](#contact-picker) - [Observing Changes](#observing-changes) - [Common Mistakes](#common-mistakes) - [Review Checklist](#review-checklist) - [References](#references) ## Setup ### Project Configuration 1. Add `NSContactsUsageDescription` to Info.plist explaining why the app accesses contacts 2. No additional capability or entitlement is required for basic Contacts access 3. For contact notes access, add the `com.apple.developer.contacts.notes` entitlement ### Imports ```swift import Contacts // CNContactStore, CNSaveRequest, CNContact import ContactsUI // CNContactPickerViewController ``` ## Authorization Request access before fetching or saving contacts. The picker (`CNContactPickerViewController`) does not require authorization -- the system grants access only to the contacts the user selects. ```swift let store = CNContactStore() func requestAccess() async throws -> Bool { return try await store.requestAccess(for: .contacts) } // Check current status without prompting func checkStatus() -> CNAuthorizationStatus { CNCon