I wanted to access some vector assets for creating UNNotificationAttachment
with local resources so I came up with this helper class. It basically just gets image from assets, saves its data to disk and return file URL. I hope that helps someone.
import UIKit
class AssetExtractor {
static func createLocalUrl(forImageNamed name: String) -> URL? {
let fileManager = FileManager.default
let cacheDirectory = fileManager.urls(for: .cachesDirectory, in: .userDomainMask)[0]
let url = cacheDirectory.appendingPathComponent("\(name).png")
guard fileManager.fileExists(atPath: url.path) else {
guard
let image = UIImage(named: name),
let data = UIImagePNGRepresentation(image)
else { return nil }
fileManager.createFile(atPath: url.path, contents: data, attributes: nil)
return url
}
return url
}
}