スレッド1：EXC_BAD_INSTRUCTION（コード= EXC_1386_INVOP、SUBCODE = 0X0） - エラー

Question

私は連絡先から選択し、作成したテーブルビューに追加するためにcontactPicker関数を使用しています。しかし、私は私のアプリを実行し、希望の連絡先をクリックすると、私のアプリケーションがクラッシュします。問題は、contactPicker（CNContactPickerViewController、didSelect ...）関数のようです。迅速なファイルを見ると、エラーは表示されません。誰かが問題を解決するのに役立つことができますか

Lookout`Lookout.ViewTwo.contactPicker (Lookout.ViewTwo)(__ObjC.CNContactPickerViewController, didSelectContact : __ObjC.CNContact) ->(): 
0x103ffff10 <+0>: pushq %rbp 
0x103ffff11 <+1>: movq %rsp, %rbp 
0x103ffff14 <+4>: subq $0x90, %rsp 
0x103ffff1b <+11>: movq 0x92ae(%rip), %rax  ; (void *)0x0000000106eae2e0: swift_isaMask 
0x103ffff22 <+18>: movq %rdi, -0x8(%rbp) 
0x103ffff26 <+22>: movq %rsi, -0x10(%rbp) 
0x103ffff2a <+26>: movq %rdx, -0x18(%rbp) 
0x103ffff2e <+30>: movq (%rdx), %rcx 
0x103ffff31 <+33>: andq (%rax), %rcx 
0x103ffff34 <+36>: movq %rdi, -0x28(%rbp) 
0x103ffff38 <+40>: movq %rdx, %rdi 
0x103ffff3b <+43>: movq %rsi, -0x30(%rbp) 
0x103ffff3f <+47>: movq %rdx, -0x38(%rbp) 
0x103ffff43 <+51>: callq *0x78(%rcx) 
0x103ffff46 <+54>: movq %rax, -0x20(%rbp) 
0x103ffff4a <+58>: cmpq $0x0, -0x20(%rbp) 
0x103ffff52 <+66>: jne 0x103ffff82    ; <+114> at ViewTwo.swift:88 
0x103ffff54 <+68>: jmp 0x103ffff56    ; <+70> at ViewTwo.swift:88 
0x103ffff56 <+70>: leaq 0x6ddd(%rip), %rdi  ; "fatal error" 
0x103ffff5d <+77>: movl $0xb, %eax 
0x103ffff62 <+82>: movl %eax, %esi 
0x103ffff64 <+84>: movl $0x2, %eax 
0x103ffff69 <+89>: leaq 0x6d90(%rip), %rcx  ; "unexpectedly found nil while unwrapping an Optional value" 
0x103ffff70 <+96>: movl $0x39, %edx 
0x103ffff75 <+101>: movl %edx, %r8d 
0x103ffff78 <+104>: movl %eax, %edx 
0x103ffff7a <+106>: movl %eax, %r9d 
0x103ffff7d <+109>: callq 0x10400438e    ; symbol stub for: function signature specialization <Arg[0] = Exploded, Arg[1] = Exploded, Arg[2] = Dead, Arg[3] = Dead> of Swift._fatalErrorMessage (Swift.StaticString, Swift.StaticString, Swift.StaticString, Swift.UInt) ->() 
0x103ffff82 <+114>: movq -0x20(%rbp), %rax 
0x103ffff86 <+118>: movq %rax, %rdi 
0x103ffff89 <+121>: movq %rax, -0x40(%rbp) 
0x103ffff8d <+125>: callq 0x1040043d0    ; symbol stub for: objc_retain 
0x103ffff92 <+130>: movq 0x9237(%rip), %rdi  ; (void *)0x0000000106eae2e0: swift_isaMask 
0x103ffff99 <+137>: movq -0x40(%rbp), %rcx 
0x103ffff9d <+141>: movq (%rcx), %rdx 
0x103ffffa0 <+144>: andq (%rdi), %rdx 
0x103ffffa3 <+147>: movq 0x118(%rdx), %rdx 
0x103ffffaa <+154>: movq %rax, -0x48(%rbp) 
0x103ffffae <+158>: movq %rdx, -0x50(%rbp) 
0x103ffffb2 <+162>: callq 0x104002800    ; type metadata accessor for __ObjC.CNContact 
0x103ffffb7 <+167>: movl $0x1, %esi 
0x103ffffbc <+172>: movl %esi, %edi 
0x103ffffbe <+174>: movq %rax, %rsi 
0x103ffffc1 <+177>: movq %rax, -0x58(%rbp) 
0x103ffffc5 <+181>: callq 0x10400436a    ; symbol stub for: Swift._allocateUninitializedArray <A> (Builtin.Word) -> (Swift.Array<A>, Builtin.RawPointer) 
0x103ffffca <+186>: movq -0x30(%rbp), %rdi 
0x103ffffce <+190>: movq %rax, -0x60(%rbp) 
0x103ffffd2 <+194>: movq %rdx, -0x68(%rbp) 
0x103ffffd6 <+198>: callq 0x1040043d0    ; symbol stub for: objc_retain 
0x103ffffdb <+203>: movq -0x68(%rbp), %rcx 
0x103ffffdf <+207>: movq -0x30(%rbp), %rdx 
0x103ffffe3 <+211>: movq %rdx, (%rcx) 
0x103ffffe6 <+214>: movq -0x60(%rbp), %rdi 
0x103ffffea <+218>: movq -0x58(%rbp), %rsi 
0x103ffffee <+222>: movq %rax, -0x70(%rbp) 
0x103fffff2 <+226>: callq 0x10400434c    ; symbol stub for: Swift.Array.init <A> (Swift.Array<A>.Type)(arrayLiteral : Swift.Array<A>...) -> Swift.Array<A> 
0x103fffff7 <+231>: movq %rax, %rdi 
0x103fffffa <+234>: movq -0x40(%rbp), %rsi 
0x103fffffe <+238>: movq -0x50(%rbp), %rax 
0x104000002 <+242>: callq *%rax 
0x104000004 <+244>: movq -0x40(%rbp), %rdi 
0x104000008 <+248>: callq 0x1040043ca    ; symbol stub for: objc_release 
0x10400000d <+253>: movq -0x20(%rbp), %rdi 
0x104000011 <+257>: callq 0x1040043ca    ; symbol stub for: objc_release 
0x104000016 <+262>: movq -0x38(%rbp), %rdi 
0x10400001a <+266>: callq 0x1040043d0    ; symbol stub for: objc_retain 
0x10400001f <+271>: movq -0x38(%rbp), %rcx 
0x104000023 <+275>: movq 0xcbae(%rip), %rsi  ; "navigationController" 
0x10400002a <+282>: movq %rcx, %rdi 
0x10400002d <+285>: movq %rax, -0x78(%rbp) 
0x104000031 <+289>: callq 0x1040043be    ; symbol stub for: objc_msgSend 
0x104000036 <+294>: movq %rax, %rdi 
0x104000039 <+297>: callq 0x1040043dc    ; symbol stub for: objc_retainAutoreleasedReturnValue 
0x10400003e <+302>: cmpq $0x0, %rax 
0x104000044 <+308>: sete %r8b 
0x104000048 <+312>: xorb $0x1, %r8b 
0x10400004c <+316>: testb $0x1, %r8b 
0x104000050 <+320>: movq %rax, -0x80(%rbp) 
0x104000054 <+324>: jne 0x104000061    ; <+337> at ViewTwo.swift:89 
0x104000056 <+326>: movq -0x38(%rbp), %rdi 
0x10400005a <+330>: callq 0x1040043ca    ; symbol stub for: objc_release 
0x10400005f <+335>: jmp 0x1040000d2    ; <+450> at ViewTwo.swift:91 
0x104000061 <+337>: movl $0x1, %edx 
0x104000066 <+342>: movq 0xcb73(%rip), %rsi  ; "popViewControllerAnimated:" 
0x10400006d <+349>: movq -0x80(%rbp), %rax 
0x104000071 <+353>: movq %rax, %rdi 
0x104000074 <+356>: callq 0x1040043be    ; symbol stub for: objc_msgSend 
0x104000079 <+361>: movq %rax, %rdi 
0x10400007c <+364>: callq 0x1040043dc    ; symbol stub for: objc_retainAutoreleasedReturnValue 
0x104000081 <+369>: movq -0x80(%rbp), %rdi 
0x104000085 <+373>: movq %rax, -0x88(%rbp) 
0x10400008c <+380>: callq 0x1040043ca    ; symbol stub for: objc_release 
0x104000091 <+385>: movq -0x38(%rbp), %rdi 
0x104000095 <+389>: callq 0x1040043ca    ; symbol stub for: objc_release 
0x10400009a <+394>: movq -0x88(%rbp), %rax 
0x1040000a1 <+401>: movq %rax, -0x90(%rbp) 
0x1040000a8 <+408>: movq -0x90(%rbp), %rax 
0x1040000af <+415>: movq %rax, %rdi 
0x1040000b2 <+418>: callq 0x104004460    ; symbol stub for: swift_unknownRelease 
0x1040000b7 <+423>: movq -0x30(%rbp), %rdi 
0x1040000bb <+427>: callq 0x1040043ca    ; symbol stub for: objc_release 
0x1040000c0 <+432>: movq -0x28(%rbp), %rdi 
0x1040000c4 <+436>: callq 0x1040043ca    ; symbol stub for: objc_release 
0x1040000c9 <+441>: addq $0x90, %rsp 
0x1040000d0 <+448>: popq %rbp 
0x1040000d1 <+449>: retq 
0x1040000d2 <+450>: xorl %eax, %eax 
0x1040000d4 <+452>: movl %eax, %ecx 
0x1040000d6 <+454>: movq %rcx, -0x90(%rbp) 
0x1040000dd <+461>: jmp 0x1040000a8    ; <+408> at ViewTwo.swift:89 

私のコード

protocol ViewTwoDelegate { 
    func didFetchContacts(contacts: [CNContact]) 
} 

class ViewTwo: UIViewController, UITableViewDataSource, UITableViewDelegate, ViewTwoDelegate, ADBannerViewDelegate, CNContactPickerDelegate { 


    @IBOutlet weak var Banner: ADBannerView! 

    var contacts = [CNContact]() 

    var delegate: ViewTwo! 

    @IBOutlet weak var saveLookout: UITableView! 

    func configureTableView() { 
     saveLookout.delegate = self 
     saveLookout.dataSource = self 
     saveLookout.registerNib(UINib(nibName: "LookoutCell", bundle: nil), forCellReuseIdentifier: "idCellContactLookout") 

    func viewDidLoad() { 
     super.viewDidLoad() 

      Banner.hidden = true 
      Banner.delegate = self 
      self.canDisplayBannerAds = true 

     delegate = self 

     configureTableView() 

     } 

    } 

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

    } 


    func bannerViewActionShouldBegin(banner: ADBannerView!, willLeaveApplication willLeave: Bool) -> Bool { 
     return true 
    } 

    func bannerViewDidLoadAd(banner: ADBannerView!) { 
     Banner.hidden = false 
    } 

    func bannerView(banner: ADBannerView!, didFailToReceiveAdWithError error: NSError!) { 
     NSLog("Error") 
    } 

    func bannerViewWillLoadAd(banner: ADBannerView!) { 
    } 



    //IBAction functions 
    @IBAction func importLookout(sender: AnyObject) { 
     let contactPickerViewController = CNContactPickerViewController() 

     contactPickerViewController.predicateForEnablingContact = NSPredicate(format: "phoneNumbers != nil") 

     contactPickerViewController.delegate = self 

     presentViewController(contactPickerViewController, animated: true, completion: nil) 

    } 

    func contactPicker(picker: CNContactPickerViewController, didSelectContact contacts: CNContact){ 
     delegate.didFetchContacts([contacts]) 
     navigationController?.popViewControllerAnimated(true) 

    } 


    func refetchContact(contact contact: CNContact, atIndexPath indexPath: NSIndexPath) { 
     AppDelegate.getAppDelegate().requestForAccess { (accessGranted) -> Void in 
      if accessGranted { 
       // let keys = [CNContactGivenNameKey, CNContactFamilyNameKey, CNContactEmailAddressesKey, CNContactBirthdayKey, CNContactImageDataKey] 
       let keys = [CNContactFormatter.descriptorForRequiredKeysForStyle(CNContactFormatterStyle.FullName), CNContactPhoneNumbersKey] 

       do { 
        let contactRefetched = try AppDelegate.getAppDelegate().contactStore.unifiedContactWithIdentifier(contact.identifier, keysToFetch: keys) 
        self.contacts[indexPath.row] = contactRefetched 

        dispatch_async(dispatch_get_main_queue(), {() -> Void in 
         self.saveLookout.reloadRowsAtIndexPaths([indexPath], withRowAnimation: UITableViewRowAnimation.Automatic) 
        }) 
       } 
       catch { 
        print("Unable to refetch the contact: \(contact)", separator: "", terminator: "\n") 
       } 
      } 
     } 
    } 


    // Tableview data source methods 


    func numberOfSectionsInTableView(tableView: UITableView) -> Int { 
     return 1 
    } 

    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int { 
     return contacts.count 
    } 

    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell { 

     let cell = tableView.dequeueReusableCellWithIdentifier("idCellContactLookout") as! LookoutCell 

     let currentContact = contacts[indexPath.row] 

     cell.lblFirstname.text = CNContactFormatter.stringFromContact(currentContact, style: .FullName) 

     if !currentContact.isKeyAvailable(CNContactPhoneNumbersKey) { 
      refetchContact(contact: currentContact, atIndexPath: indexPath) 
     } 
     else { 
      // Set the phone info. 
      var homePhoneNumber: String! 
      for mobileNumber in currentContact.phoneNumbers{ 
       if mobileNumber.label == CNLabelPhoneNumberMobile { 
        homePhoneNumber = mobileNumber.value as! String 
        break 
       } 
      } 

      if homePhoneNumber != nil { 
       cell.lblMobileNumber.text = CNLabelPhoneNumberMobile 
      } 
      else { 
       cell.lblMobileNumber.text = "Not available mobile number" 
      } 

     } 


     return cell 
    } 

    func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat { 
     return 100.0 
    } 

    func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) { 
     let selectedContact = contacts[indexPath.row] 

     let keys = [CNContactFormatter.descriptorForRequiredKeysForStyle(CNContactFormatterStyle.FullName), CNContactPhoneNumbersKey] 

     if selectedContact.areKeysAvailable([CNContactViewController.descriptorForRequiredKeys()]) { 
      let contactViewController = CNContactViewController(forContact: selectedContact) 
      contactViewController.contactStore = AppDelegate.getAppDelegate().contactStore 
      contactViewController.displayedPropertyKeys = keys 
      navigationController?.pushViewController(contactViewController, animated: true) 
     } 
     else { 
      AppDelegate.getAppDelegate().requestForAccess({ (accessGranted) -> Void in 
       if accessGranted { 
        do { 
         let contactRefetched = try AppDelegate.getAppDelegate().contactStore.unifiedContactWithIdentifier(selectedContact.identifier, keysToFetch: [CNContactViewController.descriptorForRequiredKeys()]) 

         dispatch_async(dispatch_get_main_queue(), {() -> Void in 
          let contactViewController = CNContactViewController(forContact: contactRefetched) 
          contactViewController.contactStore = AppDelegate.getAppDelegate().contactStore 
          contactViewController.displayedPropertyKeys = keys 
          self.navigationController?.pushViewController(contactViewController, animated: true) 
         }) 
        } 
        catch { 
         print("Unable to refetch the selected contact.", separator: "", terminator: "\n") 
        } 
       } 
      }) 
     } 
    } 

    //ViewTwoDelegate Function 
    func didFetchContacts(contacts: [CNContact]) { 
     for contacts in contacts { 
      self.contacts.append(contacts) 
     } 

     saveLookout.reloadData() 
    } 

} 

Answer 1

あなたはこのvar delegate: ViewTwo!ようなあなたのdelegateを宣言していますが、それに値を割り当てることはありません。したがって、delegate.didFetchContacts([contacts])に電話すると、delegateはnilとなり、アプリがクラッシュします。 （delegate = selfをviewDidLoadのどこかに追加すると思われます）。

---

viewDidLoadメソッドを正しく記述する必要があります。それを移動させて、それが内側の機能でないことを確認します。

override func viewDidLoad() {}