为了让这个示例快速启动并运行，我使用了以下信息源：
从字符串中过滤非数字
https://stackoverflow.com/a/32700339/558933
http://www.appcoda.com/ios-contacts-framework/
下面的代码块包括授权检查，因为我必须让它工作才能在模拟器中进行测试。该代码只是 Single-View Apps 视图控制器，您可以将UIButtonStoryboard 中的 a 连接到findContactInfoForPhoneNumber:方法以获取是否运行。输出到控制台 - 您需要将这些print语句替换为其他内容。
如果您对完整的视图控制器代码不感兴趣，那么只需查看searchForContactUsingPhoneNumber(phoneNumber: String)方法即可。我已按照 Apple 在文档中的建议CNContact异步运行框架。
该代码去除了电话号码中可能存在的所有+,-和(符号，并且仅匹配数字，因此您传递的要匹配的电话号码必须完全相同。
//
// ViewController.swift
// ContactsTest
//
// Created by Robotic Cat on 13/04/2016.
//
import UIKit
import Contacts
class ViewController: UIViewController {
// MARK: - App Logic
func showMessage(message: String) {
// Create an Alert
let alertController = UIAlertController(title: "Alert", message: message, preferredStyle: UIAlertControllerStyle.Alert)
// Add an OK button to dismiss
let dismissAction = UIAlertAction(title: "OK", style: UIAlertActionStyle.Default) { (action) -> Void in
}
alertController.addAction(dismissAction)
// Show the Alert
self.presentViewController(alertController, animated: true, completion: nil)
}
func requestForAccess(completionHandler: (accessGranted: Bool) -> Void) {
// Get authorization
let authorizationStatus = CNContactStore.authorizationStatusForEntityType(CNEntityType.Contacts)
// Find out what access level we have currently
switch authorizationStatus {
case .Authorized:
completionHandler(accessGranted: true)
case .Denied, .NotDetermined:
CNContactStore().requestAccessForEntityType(CNEntityType.Contacts, completionHandler: { (access, accessError) -> Void in
if access {
completionHandler(accessGranted: access)
}
else {
if authorizationStatus == CNAuthorizationStatus.Denied {
dispatch_async(dispatch_get_main_queue(), { () -> Void in
let message = "\(accessError!.localizedDescription)\n\nPlease allow the app to access your contacts through the Settings."
self.showMessage(message)
})
}
}
})
default:
completionHandler(accessGranted: false)
}
}
@IBAction func findContactInfoForPhoneNumber(sender: UIButton) {
self.searchForContactUsingPhoneNumber("(888)555-1212)")
}
func searchForContactUsingPhoneNumber(phoneNumber: String) {
dispatch_async(dispatch_get_global_queue(QOS_CLASS_USER_INTERACTIVE, 0), { () -> Void in
self.requestForAccess { (accessGranted) -> Void in
if accessGranted {
let keys = [CNContactGivenNameKey, CNContactFamilyNameKey, CNContactImageDataKey, CNContactPhoneNumbersKey]
var contacts = [CNContact]()
var message: String!
let contactsStore = CNContactStore()
do {
try contactsStore.enumerateContactsWithFetchRequest(CNContactFetchRequest(keysToFetch: keys)) {
(contact, cursor) -> Void in
if (!contact.phoneNumbers.isEmpty) {
let phoneNumberToCompareAgainst = phoneNumber.componentsSeparatedByCharactersInSet(NSCharacterSet.decimalDigitCharacterSet().invertedSet).joinWithSeparator("")
for phoneNumber in contact.phoneNumbers {
if let phoneNumberStruct = phoneNumber.value as? CNPhoneNumber {
let phoneNumberString = phoneNumberStruct.stringValue
let phoneNumberToCompare = phoneNumberString.componentsSeparatedByCharactersInSet(NSCharacterSet.decimalDigitCharacterSet().invertedSet).joinWithSeparator("")
if phoneNumberToCompare == phoneNumberToCompareAgainst {
contacts.append(contact)
}
}
}
}
}
if contacts.count == 0 {
message = "No contacts were found matching the given phone number."
}
}
catch {
message = "Unable to fetch contacts."
}
if message != nil {
dispatch_async(dispatch_get_main_queue(), { () -> Void in
self.showMessage(message)
})
}
else {
// Success
dispatch_async(dispatch_get_main_queue(), { () -> Void in
// Do someting with the contacts in the main queue, for example
/*
self.delegate.didFetchContacts(contacts) <= which extracts the required info and puts it in a tableview
*/
print(contacts) // Will print all contact info for each contact (multiple line is, for example, there are multiple phone numbers or email addresses)
let contact = contacts[0] // For just the first contact (if two contacts had the same phone number)
print(contact.givenName) // Print the "first" name
print(contact.familyName) // Print the "last" name
if contact.isKeyAvailable(CNContactImageDataKey) {
if let contactImageData = contact.imageData {
print(UIImage(data: contactImageData)) // Print the image set on the contact
}
} else {
// No Image available
}
})
}
}
}
})
}
}