Comments (5)
from swiftrichstring.
Hello, @midhunmgopal
Call reloadAttributedText()
after the delegate method textAttachmentDidLoadImage
called.
See the code example below.
Code example
class ViewController: UIViewController {
private let label = UILabel()
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = .black
configureLabel()
let imageURL = "https://shorturl.at/GNV01"
let attributedString = NSMutableAttributedString(imageURL: imageURL, delegate: self)
label.attributedText = attributedString
}
private func configureLabel() {
view.addSubview(label)
label.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
label.topAnchor.constraint(equalTo: view.topAnchor, constant: 16),
label.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -16),
label.bottomAnchor.constraint(equalTo: view.bottomAnchor, constant: -16),
label.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 16),
])
}
}
extension ViewController: AsyncTextAttachmentDelegate {
func textAttachmentDidLoadImage(textAttachment: AsyncTextAttachment,
displaySizeChanged: Bool) {
label.reloadAttributedText()
}
}
extension UILabel {
func reloadAttributedText() {
let attr = attributedText
attributedText = nil
attributedText = attr
}
}
from swiftrichstring.
Thank you so much @Bochbo ...
It worked !!
from swiftrichstring.
"UILabel uses an internal NSLayoutManager for laying out the text and drawing it. Unfortunately Apple does not provide a property for us to access or customize it." Source
I use a trick reload attributedText
after the attachment has been loaded:
extension UILabel {
func reloadAttributedText() {
let attr = attributedText
attributedText = nil
attributedText = attr
}
}
Hope it helps!
from swiftrichstring.
Hi @Bochbo,
could you please explain a little more about how this reloadAttributedText()
method got called?
I am also facing a situation where the image is downloading but it is not reflecting on the UI.
from swiftrichstring.
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from swiftrichstring.