Swift CNContactRequestAccess线程

import Contacts

func requestContactAccess(completion: @escaping (Bool) -> Void) {
    let store = CNContactStore()
    
    store.requestAccess(for: .contacts) { granted, error in
        DispatchQueue.main.async {
            completion(granted)
        }
    }
}

requestContactAccess { granted in
    if granted {
        print("Access granted!")
        // 在这里执行访问联系人的操作
    } else {
        print("Access denied!")
        // 在这里处理访问被拒绝的情况
    }
}

func fetchContacts() {
    let store = CNContactStore()
    
    do {
        let keysToFetch = [CNContactGivenNameKey, CNContactFamilyNameKey, CNContactPhoneNumbersKey] as [CNKeyDescriptor]
        let contacts = try store.unifiedContacts(matching: CNContactFetchRequest(keysToFetch: keysToFetch), keysToFetch: keysToFetch)
        
        DispatchQueue.main.async {
            // 在这里处理联系人信息
            for contact in contacts {
                let givenName = contact.givenName
                let familyName = contact.familyName
                let phoneNumbers = contact.phoneNumbers
                print("Name: \(givenName) \(familyName), Phone Numbers: \(phoneNumbers)")
            }
        }
    } catch {
        print("Failed to fetch contacts: \(error)")
    }
}

requestContactAccess { granted in
    if granted {
        self.fetchContacts()
    } else {
        print("Access denied!")
    }
}