archive-example/ArchiveExampleiOS/ViewController.swift at master · kitecomp/archive-example · GitHub

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// ViewController.swift

// ArchiveExampleiOS

import UIKit

class ViewController: UIViewController

{

override func viewDidLoad()

{

super.viewDidLoad()

// Path to the .caar file

guard let emojiURL = Bundle.main.url(forResource: "Emoji", withExtension: "caar") else { return }

// Read the .caar file into memory

guard let emojiData = try? Data(contentsOf: emojiURL) else { return }

// Unarchive the NSKeyedArchive as a Dictionary

guard let rootObject = (try? NSKeyedUnarchiver.unarchiveTopLevelObjectWithData(emojiData)) as? [String: Any] else { return }

// Pull out the 'rootLayer' object containing the archived CALayer

guard let rootLayer = rootObject["rootLayer"] as? CALayer else { return }

// Un-flip the layer for iOS's coordinate system

rootLayer.isGeometryFlipped = false

// Start the rootLayer's timeline at the current time

rootLayer.beginTime = CACurrentMediaTime()

// Add it to the layer hierarchy

self.view.layer.addSublayer(rootLayer)

}

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