Core DataでUIImageを渡すには？

Question

私は、ユーザーが追加したデータを表示するメインVCと、ユーザーがデータを入力するVCを持っています。

私がしようとしているのは、追加VCからのイメージをメインVCに渡すことです。

は現在、私は保存を押したときに、私はSIGABRTエラーを取得し、次のエラーメッセージ：

2016年4月14日08：07：外出先での23.207 [27697：2680635] - [On_The_Go。アジェンダsetImage：]：インスタンスに送信された認識できないセレクタ0x7faf03063900 2016-04-14 08：07：23.212 On The Go [27697：2680635] *キャッチされていない例外「NSInvalidArgumentException」のためにアプリケーションを終了しています、理由： ' - [On_The_Go.Agenda setImage：]：インスタンスに送信された認識できないセレクタ0x7faf03063900 ' *ファーストスローコールスタック： （ 0 CoreFoundation 0x000000010442bd85 exceptionPreprocess + 165 1 libobjc.A.dylib 0x0000000106897deb objc_exception_throw + 48 2 CoreFoundationのを0x0000000104434d3d - [NSObjectの（NSObjectの）doesNotRecognizeSelector：]外出先+ 205 3 CoreFoundationのを0x000000010437acfa + ___forwarding_ 970 4 CoreFoundationの0x000000010437a8a8 _CF_forwarding_prep_0 + 120 5 【：へ：から：forEvent：のUIApplication sendAction] + 92 8のUIKit 0x000000010572b067 - - [UIBarButtonItem移動0x0000000103e9842a _TToFC9On_The_Go22AddTableViewController4savefCSo15UIBarButtonItemT_ + 58 7のUIKit 0x000000010531da8dで0x0000000103e97e11 _TFC9On_The_Go22AddTableViewController4savefCSo15UIBarButtonItemT_ + 4897 6 （UIInternal）_sendAction：withEvent：] + 152 9のUIKit 0x000000010531da8d - [のUIApplication sendAction：に：から：forEvent：] + 92 10のUIKit 0x0000000105490e67 - [するuicontrol sendAction：全forEvent：] + 67 11のUIKit 0x0000000105491143 - [するuicontrol _sendActionsForEvents：withEvent：] + 327 12のUIKit 0x00000001054912be - [するuicontrol _sendActionsForEvents：withEvent：] + 706 13のUIKit 0x0000000105490263 - [するuicontrol touchesEnded：withEvent：] + 601 14のUIKit 0x000000010539099f - [UIWindow _sendTouchesForEvent：] + 835 15 UIKit 0x00000001053916d4 - [UIWindow sendEvent：] + 865 16 UIKit 0x000000010533cdc6 - [UIApplication sendEvent：] + 263 17 UIKit 0x0000000105316553 _UI + 6660 18 CoreFoundationの0x0000000104351301 ApplicationHandleEventQueue CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION + 17 19 CoreFoundationの0x000000010434722c __CFRunLoopDoSources0 + 556 20 CoreFoundationの0x00000001043466e3 __CFRunLoopRun + 867 21 CoreFoundationの0x00000001043460f8 CFRunLoopRunSpecific + 488 22 GraphicsServices 0x0000000109efbad2 GSEventRunModal + 161 23のUIKit 0x000000010531bf09 UIApplicationMain + 171 24にThe Go 0x0000000103e9b672 main + 114 25 libdyld.dylib 0x000000010736492d start + 1 26 ??? 0x0000000000000001 0x0 + 1 ） libC++ abi。dylib：

メインVC：

import UIKit 
import CoreData 

class MainTableViewController: UITableViewController, NSFetchedResultsControllerDelegate, UISearchResultsUpdating { 

var content:[Agenda] = [] 
var fetchResultController:NSFetchedResultsController! 
var searchController:UISearchController! 
var searchResults:[Agenda] = [] 

override func viewDidLoad() { 
    super.viewDidLoad() 

    let fetchRequest = NSFetchRequest(entityName: "Agenda") 
    let sortDescriptor = NSSortDescriptor(key: "subject", ascending: true) 
    fetchRequest.sortDescriptors = [sortDescriptor] 

    if let managedObjectContext = (UIApplication.sharedApplication().delegate as? AppDelegate)?.managedObjectContext { 

     fetchResultController = NSFetchedResultsController(fetchRequest: fetchRequest, managedObjectContext: managedObjectContext, sectionNameKeyPath: nil, cacheName: nil) 
     fetchResultController.delegate = self 

     do { 
      try fetchResultController.performFetch() 
      content = fetchResultController.fetchedObjects as! [Agenda] 
     } catch { 
      print(error) 
     } 
    } 

    tableView.estimatedRowHeight = 76.0 
    tableView.rowHeight = UITableViewAutomaticDimension 

    searchController = UISearchController(searchResultsController: nil) 
    tableView.tableHeaderView = searchController.searchBar 
    searchController.searchResultsUpdater = self 
    searchController.dimsBackgroundDuringPresentation = false 

    searchController.searchBar.placeholder = "Search items..." 
} 

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

// MARK: - Table view data source 

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

override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int { 
    if searchController.active { 
     return searchResults.count 
    } else { 
     return content.count 
    } 
} 

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

    let cell = tableView.dequeueReusableCellWithIdentifier("Cell", forIndexPath: indexPath) as! MainTableViewCell 

    // Configure the cell... 
    let agenda = (searchController.active) ? searchResults[indexPath.row] : content[indexPath.row] 

    cell.subjectLabel.text = agenda.subject 
    cell.deadlineLabel.text = agenda.deadline 
    cell.iconImageView.image = UIImage(data: agenda.image!) 

    if agenda.urgent == true { 
     cell.urgentImageView.image = UIImage(named: "urgent") 
     cell.urgentImageView.image = cell.urgentImageView.image!.imageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate) 
     cell.urgentImageView.tintColor = UIColor(red: 212.0/255.0, green: 106.0/255.0, blue: 106.0/255.0, alpha: 1.0) 
    } else { 
     cell.urgentImageView.image = nil 
    } 

    cell.subjectLabel.lineBreakMode = NSLineBreakMode.ByWordWrapping 
    cell.subjectLabel.numberOfLines = 999 
    cell.deadlineLabel.lineBreakMode = NSLineBreakMode.ByWordWrapping 
    cell.deadlineLabel.numberOfLines = 999 

    cell.subjectLabel.sizeToFit() 
    cell.deadlineLabel.sizeToFit() 

    cell.subjectLabel.translatesAutoresizingMaskIntoConstraints = false 

    return cell 
} 

override func tableView(tableView: UITableView, editActionsForRowAtIndexPath indexPath: NSIndexPath) -> [UITableViewRowAction]? { 

    let shareAction = UITableViewRowAction(style: UITableViewRowActionStyle.Default, title: "Share", handler: { (action, indexPath) -> Void in 

     let defaultText = "I've got to " + self.content[indexPath.row].subject 
     let activityController = UIActivityViewController(activityItems: [defaultText], applicationActivities: nil) 
     self.presentViewController(activityController, animated: true, completion: nil) 
    }) 

    let deleteAction = UITableViewRowAction(style: UITableViewRowActionStyle.Default, title: "Delete", handler: { (action, indexPath) -> Void in 

     if let managedObjectContext = (UIApplication.sharedApplication().delegate as? AppDelegate)?.managedObjectContext { 

      let itemToDelete = self.fetchResultController.objectAtIndexPath(indexPath) as! Agenda 
      managedObjectContext.deleteObject(itemToDelete) 

      do { 
       try managedObjectContext.save() 
      } catch { 
       print(error) 
      } 
     } 
    }) 

    shareAction.backgroundColor = UIColor(red: 28.0/255.0, green: 165.0/255.0, blue: 253.0/255.0, alpha: 1.0) 
    deleteAction.backgroundColor = UIColor(red: 202.0/255.0, green: 202.0/255.0, blue: 203.0/255.0, alpha: 1.0) 

    return [deleteAction, shareAction] 
} 

override func tableView(tableView: UITableView, canEditRowAtIndexPath indexPath: NSIndexPath) -> Bool { 
    if searchController.active { 
     return false 
    } else { 
     return true 
    } 
} 

func controllerWillChangeContent(controller: NSFetchedResultsController) { 
    tableView.beginUpdates() 
} 

func controller(controller: NSFetchedResultsController, didChangeObject anObject: AnyObject, atIndexPath indexPath: NSIndexPath?, forChangeType type: NSFetchedResultsChangeType, newIndexPath: NSIndexPath?) { 

    switch type { 
     case .Insert: 
      if let _newIndexPath = newIndexPath { 
       tableView.insertRowsAtIndexPaths([_newIndexPath], withRowAnimation: .Fade) 
      } 

     case .Delete: 
      if let _indexPath = indexPath { 
       tableView.deleteRowsAtIndexPaths([_indexPath], withRowAnimation: .Fade) 
      } 

     case .Update: 
      if let _indexPath = indexPath { 
       tableView.reloadRowsAtIndexPaths([_indexPath], withRowAnimation: .Fade) 
      } 

     default: 
      tableView.reloadData() 
    } 

    content = controller.fetchedObjects as! [Agenda] 
} 

func controllerDidChangeContent(controller: NSFetchedResultsController) { 
    tableView.endUpdates() 
} 

func filterContentForSearchText(searchText: String) { 
    searchResults = content.filter({ (content:Agenda) -> Bool in 
    let nameMatch = content.subject.rangeOfString(searchText, options: NSStringCompareOptions.CaseInsensitiveSearch) 
    let deadlineMatch = content.deadline.rangeOfString(searchText, options: NSStringCompareOptions.CaseInsensitiveSearch) 
    return nameMatch != nil || deadlineMatch != nil 
    }) 
} 

func updateSearchResultsForSearchController(searchController: UISearchController) { 
    if let searchText = searchController.searchBar.text { 
     filterContentForSearchText(searchText) 
     tableView.reloadData() 
    } 
} 

@IBAction func unwindToHomeScreen(segue: UIStoryboardSegue) { 
} 
} 

追加VC：

import UIKit 
import CoreData 

class AddTableViewController: UITableViewController { 

// MARK: - Table view data source 

@IBOutlet var photoImageView:UIImageView! 
@IBOutlet var subjectTextField:UITextField! 
@IBOutlet var deadlineTextField:UITextField! 
@IBOutlet var yesButton:UIButton! 
@IBOutlet var noButton:UIButton! 

var urgent = true 
var content:Agenda! 
var imageName:String = "" 

override func viewDidLoad() { 
    super.viewDidLoad() 

    tableView.tableFooterView = UIView(frame: CGRectZero) 
    title = "Add an item" 

    photoImageView.image = UIImage(named: imageName) 
    photoImageView.image = photoImageView.image!.imageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate) 
    photoImageView.tintColor = UIColor.whiteColor() 

    if imageName == "cup" { 
     photoImageView.backgroundColor = UIColor(red: 137.0/255.0, green: 72.0/255.0, blue: 0.0/255.0, alpha: 1.0) 
    } else if imageName == "transport" { 
     photoImageView.backgroundColor = UIColor.blueColor() 
    } else if imageName == "beach" { 
     photoImageView.backgroundColor = UIColor.yellowColor() 
    } else if imageName == "weather" { 
     photoImageView.backgroundColor = UIColor(red: 255.0/255.0, green: 122.0/255.0, blue: 255.0/255.0, alpha: 1.0) 
    } else if imageName == "gear" { 
     photoImageView.backgroundColor = UIColor(red: 106.0/255.0, green: 207.0/255.0, blue: 255.0/255.0, alpha: 1.0) 
    } else if imageName == "money" { 
     photoImageView.backgroundColor = UIColor(red: 110.0/255.0, green: 110.0/255.0, blue: 110.0/255.0, alpha: 1.0) 
    } else if imageName == "technology-1" { 
     photoImageView.backgroundColor = UIColor.orangeColor() 
    } else if imageName == "web" { 
     photoImageView.backgroundColor = UIColor(red: 255.0/255.0, green: 114.0/255.0, blue: 110.0/255.0, alpha: 1.0) 
    } else if imageName == "people" { 
     photoImageView.backgroundColor = UIColor(red: 104.0/255.0, green: 251.0/255.0, blue: 208.0/255.0, alpha: 1.0) 
    } else if imageName == "nature" { 
     photoImageView.backgroundColor = UIColor(red: 110.0/255.0, green: 118.0/255.0, blue: 255.0/255.0, alpha: 1.0) 
    } else if imageName == "draw" { 
     photoImageView.backgroundColor = UIColor.purpleColor() 
    } else if imageName == "technology" { 
     photoImageView.backgroundColor = UIColor(red: 131.0/255.0, green: 249.0/255.0, blue: 2.0/255.0, alpha: 1.0) 
    } else if imageName == "screen" { 
     photoImageView.backgroundColor = UIColor(red: 135.0/255.0, green: 134.0/255.0, blue: 135.0/255.0, alpha: 1.0) 
    } else if imageName == "shop" { 
     photoImageView.backgroundColor = UIColor(red: 210.0/255.0, green: 120.0/255.0, blue: 255.0/255.0, alpha: 1.0) 
    } else if imageName == "arrow" { 
     photoImageView.backgroundColor = UIColor.blackColor() 
    } 

    navigationItem.backBarButtonItem = UIBarButtonItem(title: "", style: .Plain, target: nil, action: nil) 
} 

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

@IBAction func save(sender:UIBarButtonItem) { 

    let subject = subjectTextField.text 
    let deadline = deadlineTextField.text 
    let icon = UIImage(named: imageName) 

    if subject == "" || deadline == "" || icon == "" { 
     let alertController = UIAlertController(title: "Oops!", message: "Not all of the fields have been filled in. Please fill them in before proceeding.", preferredStyle: UIAlertControllerStyle.Alert) 
     alertController.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.Default, handler: nil)) 
     self.presentViewController(alertController, animated: true, completion: nil) 

     return 
    } 

    if let managedObjectContext = (UIApplication.sharedApplication().delegate as? AppDelegate)?.managedObjectContext { 

     content = NSEntityDescription.insertNewObjectForEntityForName("Agenda", inManagedObjectContext: managedObjectContext) as! Agenda 
     content.subject = subject! 
     content.deadline = deadline! 
     content.urgent = urgent 

     if let iconImage = photoImageView.image { 
      content.image = UIImagePNGRepresentation(iconImage) 
     } 

     do { 
      try managedObjectContext.save() 
     } catch { 
      print(error) 
      return 
     } 
    } 

    dismissViewControllerAnimated(true, completion: nil) 
} 

@IBAction func toggleUrgentButton(sender: UIButton) { 

    if sender == yesButton { 
     urgent = true 
     yesButton.backgroundColor = UIColor(red: 170.0/255.0, green: 240.0/255.0, blue: 255.0/255.0, alpha: 1.0) 
     noButton.backgroundColor = UIColor.lightGrayColor() 
    } else if sender == noButton { 
     urgent = false 
     yesButton.backgroundColor = UIColor.lightGrayColor() 
     noButton.backgroundColor = UIColor(red: 170.0/255.0, green: 240.0/255.0, blue: 255.0/255.0, alpha: 1.0) 
    } 
} 

@IBAction func unwindToIcon(segue: UIStoryboardSegue) { 
} 
} 

マイクラス（タイプNSExceptionのキャッチされない例外 （lldb）

私のコードがあると終了アジェンダ）：

import Foundation 
import CoreData 

class Agenda:NSManagedObject { 

@NSManaged var subject:String 
@NSManaged var deadline:String 
@NSManaged var urgent:NSNumber? 
@NSManaged var image:NSData? 
} 

イメージは別のVCから選択されますが、そのコードが必要な場合はお気軽にお問い合わせください。

メインVCのiconImageViewにイメージを取得したいと思います。

Answer 1

これで確認できます。コアデータモデルのimageにBinary Dataオプションを使用していますか？

あなたはまた、外部ストレージを可能にクリックして、JPEGファイル

How to store an image in core data