Get images from Document Directory not file path Swift 3 - swift

Question

This is how I saved the images
let format = DateFormatter()
format.dateFormat="MMMM-dd-yyyy-ss"
let currentFileName = "\(format.string(from: Date())).img"
print(currentFileName)
// Save Images
let fileMgr = FileManager.default
let dirPath = fileMgr.urls(for: .documentDirectory, in: .userDomainMask)[0]
let imageFileUrl = dirPath.appendingPathComponent(currentFileName)
do {
try UIImagePNGRepresentation(returnedImages)!.write(to: imageFileUrl)
print("Image Added Successfully")
} catch {
print(error)
}
Below is code I am using to retrieve images, But I am getting the URL instead of the image file to populate tableview. Any help would be appreciated
let fileManager = FileManager.default
let imageUrl = fileManager.urls(for: .documentDirectory, in: .userDomainMask) [0].appendingPathComponent("img")
print("Your Images:\(imageUrl)")

Answer 1

It's simply because your image's name is invalid. Use the debugger to find the exact value of imageUrl, I bet it's something like this .../Documents/img. What you want is more like .../Documents/Sep-04-2017-12.img
You'd have to store currentFileName in the view controller so you can reference it later.
Also, your naming strategy is pretty fragile. Many images can end up sharing one name.
If you have a folder full of images, you can iterate on that folder to get back the img files:
let fileManager = FileManager.default
let documentDirectory = fileManager.urls(for: .documentDirectory, in: .userDomainMask)[0]
let directoryContents = try! fileManager.contentsOfDirectory(at: documentDirectory, includingPropertiesForKeys: nil)
for imageURL in directoryContents where imageURL.pathExtension == "img" {
if let image = UIImage(contentsOfFile; imageURL.path) {
// now do something with your image
} else {
fatalError("Can't create image from file \(imageURL)")
}
}

Answer 2

Try using this
func getImage(){
let fileManager = FileManager.default
let imagePAth = (self.getDirectoryPath() as NSString).appendingPathComponent("apple.jpg") // saved image name apple.jpg
if fileManager.fileExists(atPath: imagePAth){
self.lockbackImageview.image = UIImage(contentsOfFile: imagePAth)
}else{
print("No Image")
self.lockbackImageview.image = UIImage.init(named: "1.jpg")
}
}