> For the complete documentation index, see [llms.txt](https://yongpenglovemimi123.gitbook.io/henry/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yongpenglovemimi123.gitbook.io/henry/swift/nscoding.md).

# NSCoding

```swift
import UIKit

class Movie: NSObject, NSCoding {
    var name: String
    var category: String

    init(name: String, category: String){
        self.name = name
        self.category = category
    }

    required init?(coder aDecoder: NSCoder) {
        name = aDecoder.decodeObject(forKey: "name") as! String
        category = aDecoder.decodeObject(forKey: "category") as! String
    }

    func encode(with aCoder: NSCoder) {
        aCoder.encode(name, forKey: "name")
        aCoder.encode(category, forKey: "category")
    }
}

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        let movie = Movie(name: "name", category: "category")
        let movieData = NSKeyedArchiver.archivedData(withRootObject: movie)
        let movie1 = NSKeyedUnarchiver.unarchiveObject(with: movieData) as! Movie
        print(movie1.name)
        print(movie1.category)
    }

}
```