Save image to document directory iOS swift

Solution:

// MARK: - Save Image to Document Directory

func saveImageDocumentDirectory(savingImage:UIImage)->String{

let fileManager = FileManager.default

let diceRoll = Int(arc4random_uniform(99999999))

let name = "\(diceRoll).png"

let urls = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: app.appGroup)

let paths = urls?.appendingPathComponent(name)

let imageData = savingImage.jpegData(compressionQuality: 0.5)

fileManager.createFile(atPath: paths?.path ?? "", contents: imageData, attributes: nil)

return name

}

The above function will save the image and return the image name.

iOS