Implementing iOS and macOS Documents with the Files App by Jesse Feiler

Author:Jesse Feiler
Language: eng
Format: epub
ISBN: 9781484244920
Publisher: Apress

The code is shown in Listing 7-2.class DocumentViewController: UIViewController {

@IBOutlet weak var documentNameLabel: UILabel!

var document: UIDocument?

override func viewWillAppear(_ animated: Bool) {

super.viewWillAppear(animated)

// Access the document

document?.open(completionHandler: { (success) in

if success {

// Display the content of the document, e.g.:

self.documentNameLabel.text

self.document?.fileURL.lastPathComponent

} else {

// Make sure to handle the failed import appropriately,

// e.g., by presenting an error message to the user.

}

})

}

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