Does this skill support the latest iOS privacy features?

Yes, it includes handling for iOS 18+ limited access states, authorization status checks, and the required Info.plist configuration.

Can I use the system contact picker with SwiftUI?

Yes, this skill includes a UIViewControllerRepresentable wrapper for CNContactPickerViewController that allows seamless integration with SwiftUI views.

Is background fetching supported to prevent UI lag?

Absolutely. The skill emphasizes off-main-thread enumeration using Swift concurrency and detached tasks to ensure the UI remains responsive during heavy I/O.

How do I avoid 'CNContactPropertyNotFetchedException'?

The skill provides patterns for using specific Key Descriptors to ensure all necessary data properties are fetched before they are accessed in your code.

Contacts Framework for iOS

Name: Contacts Framework for iOS
Author: dpearson2699

bydpearson2699

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409

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Mobile Development

Integrates Apple's Contacts and ContactsUI frameworks to manage contact data and pickers in modern iOS and SwiftUI applications.

This skill provides specialized guidance for working with the Apple Contacts database using CNContactStore, CNSaveRequest, and CNMutableContact. It enables Claude to handle complex contact operations including asynchronous fetching, permission management for iOS 18+, and wrapping UIKit's contact picker for SwiftUI. By following best practices for key descriptors and background enumeration, it helps developers avoid common pitfalls like runtime exceptions from unfetched properties or UI blocking during heavy data processing in Swift 6.3.

Características Principales

01SwiftUI integration for CNContactPickerViewController via UIViewControllerRepresentable

02409 GitHub stars

03Predicate-based fetching and efficient batch contact enumeration patterns

04Standardized CNContactStore authorization flows including iOS 18+ limited access support

05Safe CRUD operations using CNMutableContact and CNSaveRequest with proper error handling

06Optimized key descriptor management to prevent CNContactPropertyNotFetchedException crashes

Casos de Uso

01Synchronizing local application data with the system Contacts database using background processing

02Adding contact selection functionality without requesting full database access via the system picker

03Implementing a custom address book or CRM within an iOS application

Características Principales

01SwiftUI integration for CNContactPickerViewController via UIViewControllerRepresentable

02409 GitHub stars

03Predicate-based fetching and efficient batch contact enumeration patterns

04Standardized CNContactStore authorization flows including iOS 18+ limited access support

05Safe CRUD operations using CNMutableContact and CNSaveRequest with proper error handling

06Optimized key descriptor management to prevent CNContactPropertyNotFetchedException crashes

Casos de Uso

01Synchronizing local application data with the system Contacts database using background processing

02Adding contact selection functionality without requesting full database access via the system picker

03Implementing a custom address book or CRM within an iOS application