iOS联系方式如何通过电话获取联系人号码

Question

我只想通过电话号码联系给定的姓名和姓氏。我试过这个，但是这太慢了，cpu超过了120％。

let contactStore = CNContactStore() 
      let keys = [CNContactGivenNameKey, CNContactFamilyNameKey, CNContactPhoneNumbersKey] 
      var contacts = [CNContact]() 
      do { 
       try contactStore.enumerateContactsWithFetchRequest(CNContactFetchRequest.init(keysToFetch: keys), usingBlock: { (contact, cursor) in 
        if (!contact.phoneNumbers.isEmpty) { 
         for phoneNumber in contact.phoneNumbers { 
          if let phoneNumberStruct = phoneNumber.value as? CNPhoneNumber { 
           do { 
            let libPhone = try util.parseWithPhoneCarrierRegion(phoneNumberStruct.stringValue) 
            let phoneToCompare = try util.getNationalSignificantNumber(libPhone) 
            if formattedPhone == phoneToCompare { 
             contacts.append(contact) 
            } 
           }catch { 
            print(error) 
           } 
          } 

         } 
        } 
       }) 
       if contacts.count > 0 { 
        contactName = (contacts.first?.givenName)! + " " + (contacts.first?.familyName)! 
        print(contactName) 
        completionHandler(contactName) 
       } 
      }catch { 
       print(error) 
      } 

此外当我使用phonenumber套件查找联系人增加cpu和给予迟交的回应。

var result: [CNContact] = [] 
     let nationalNumber = PhoneNumberKit().parseMultiple([phoneNumber]) 
     let number = nationalNumber.first?.toNational() 
     print(number) 

     for contact in self.addressContacts { 
      if (!contact.phoneNumbers.isEmpty) { 

       let phoneNumberToCompareAgainst = number!.componentsSeparatedByCharactersInSet(NSCharacterSet.decimalDigitCharacterSet().invertedSet).joinWithSeparator("") 
       for phoneNumber in contact.phoneNumbers { 
        if let phoneNumberStruct = phoneNumber.value as? CNPhoneNumber { 
         let phoneNumberString = phoneNumberStruct.stringValue 
         let nationalContactNumber = PhoneNumberKit().parseMultiple([phoneNumberString]) 
         let nationalContactNumberString = nationalContactNumber.first?.toNational() 
         if nationalContactNumberString == number { 
          result.append(contact) 
         } 
        } 
       } 
      } 
     } 

     return result 

Answer 1

您实施的问题是您在每次搜索中都要访问地址簿。

如果相反，您将在第一次访问后保留内存中的地址簿内容，您将无法达到此高CPU使用率。

1. 首先拿在控制器懒VAR将保存地址簿的内容：

   lazy var contacts: [CNContact] = { 
       let contactStore = CNContactStore() 
       let keysToFetch = [ 
        CNContactFormatter.descriptorForRequiredKeysForStyle(.FullName), 
        CNContactEmailAddressesKey, 
        CNContactPhoneNumbersKey, 
        CNContactImageDataAvailableKey, 
        CNContactThumbnailImageDataKey] 
   
       // Get all the containers 
       var allContainers: [CNContainer] = [] 
       do { 
        allContainers = try contactStore.containersMatchingPredicate(nil) 
       } catch { 
        print("Error fetching containers") 
       } 
   
       var results: [CNContact] = [] 
   
       // Iterate all containers and append their contacts to our results array 
       for container in allContainers { 
        let fetchPredicate = CNContact.predicateForContactsInContainerWithIdentifier(container.identifier) 
   
        do { 
         let containerResults = try  contactStore.unifiedContactsMatchingPredicate(fetchPredicate, keysToFetch: keysToFetch) 
         results.appendContentsOf(containerResults) 
        } catch { 
         print("Error fetching results for container") 
        } 
       } 
   
       return results 
   }() 
   

   通过内存阵列
2. 迭代当你正在寻找对于与特定电话号码的联系人：

。

func searchForContactUsingPhoneNumber(phoneNumber: String) -> [CNContact] { 
    var result: [CNContact] = [] 

    for contact in self.contacts { 
     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 { 
         result.append(contact) 
        } 
       } 
      } 
     } 
    } 

    return result 
} 

我有一个非常大的地址簿进行了测试，它工作的顺利进行。

这里是整个视图控制器修补在一起作为参考。

import UIKit 
import Contacts 

class ViewController: UIViewController { 

    lazy var contacts: [CNContact] = { 
     let contactStore = CNContactStore() 
     let keysToFetch = [ 
       CNContactFormatter.descriptorForRequiredKeysForStyle(.FullName), 
       CNContactEmailAddressesKey, 
       CNContactPhoneNumbersKey, 
       CNContactImageDataAvailableKey, 
       CNContactThumbnailImageDataKey] 

     // Get all the containers 
     var allContainers: [CNContainer] = [] 
     do { 
      allContainers = try contactStore.containersMatchingPredicate(nil) 
     } catch { 
      print("Error fetching containers") 
     } 

     var results: [CNContact] = [] 

     // Iterate all containers and append their contacts to our results array 
     for container in allContainers { 
      let fetchPredicate = CNContact.predicateForContactsInContainerWithIdentifier(container.identifier) 

      do { 
       let containerResults = try contactStore.unifiedContactsMatchingPredicate(fetchPredicate, keysToFetch: keysToFetch) 
       results.appendContentsOf(containerResults) 
      } catch { 
       print("Error fetching results for container") 
      } 
     } 

     return results 
    }() 

    override func viewDidLoad() { 
     super.viewDidLoad() 
     // Do any additional setup after loading the view, typically from a nib. 

     let contact = searchForContactUsingPhoneNumber("(555)564-8583") 
     print(contact) 
    } 

    override func didReceiveMemoryWarning() { 
     super.didReceiveMemoryWarning() 
     // Dispose of any resources that can be recreated. 
    } 

    func searchForContactUsingPhoneNumber(phoneNumber: String) -> [CNContact] { 

     var result: [CNContact] = [] 

     for contact in self.contacts { 
      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 { 
          result.append(contact) 
         } 
        } 
       } 
      } 
     } 

     return result 
    } 
} 

我使用了flohei's answer作为lazy var part。