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iOS

Posted by Tywan Claxton
Tywan Claxton
8,397 Points

IOS: Image viewer error help- invalid redeclaration error

After debugging mistakes with the video, my app seemed to stop working and I can't figure out why. Any advice would be appreciated

import Foundation import CoreData import UIKit

public class Photo: NSManagedObject {

}

extension Photo {

@nonobjc public class func fetchRequest() ->
    NSFetchRequest<Photo> {
    let request = NSFetchRequest<Photo>(entityName: "Photo")
    let sortDescriptor = NSSortDescriptor(key: "creationDate", ascending: true)
    request.sortDescriptors = [sortDescriptor]
    return request
}

@NSManaged public var creationDate: NSDate. ----- Error says invalid redeclaration
@NSManaged public var imageData: NSData ------ Error says invalid redeclaration

}

extension Photo { static var entityName: String { return String(describing: Photo.self) }

@nonobjc class func with(_ image: UIImage, in context: NSManagedObjectContext) -> Photo {
    let photo = NSEntityDescription.insertNewObject(forEntityName: Photo.entityName, into: context) as! Photo

    photo.creationDate = Date() as NSDate
    photo.imageData = UIImageJPEGRepresentation(image, 1.0)! as NSData

    return photo
}

}

extension Photo { var image: UIImage { return UIImage(data: self.imageData as Data)! } }

1 Answer

Asma Al-Marrikhi
Asma Al-Marrikhi
45,525 Points
Asma Al-Marrikhi
Asma Al-Marrikhi
45,525 Points

1- Go to Entities model 2- select Photo model 3- Go to the "Show the Data model Inspector" in the right pan 4- Change the "Codegen" Field to "Manual/None"

For more information you can look to this link : https://stackoverflow.com/questions/40410169/invalid-redeclaration-on-coredata-classes

Asma Al-Marrikhi
Asma Al-Marrikhi
45,525 Points

After run the app first time .. you can change the "Codegen" Field back to "Category/Extension"