show activity indicator in swift

swift activity indicator

//https://medium.com/swlh/how-to-give-your-viewcontroller-an-activity-indicator-4c3bfd84893e
//Controller Class
var activityIndicator = UIActivityIndicatorView(style: .Large)
//inside ViewDidLoad
activityIndicator.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(activityIndicator)
activityIndicator.centerXAnchor.constraint(equalTo: view.centerXAnchor).isActive = true
activityIndicator.centerYAnchor.constraint(equalTo: view.centerYAnchor).isActive = true

//now use anywhere to start and stop animation
activityIndicator.startAnimating()

//and
activityIndicator.stopAnimating()

Posted by: Guest on February-26-2021

Source

struct ActivityIndicator: UIViewRepresentable { @Binding var isAnimating: Bool let style: UIActivityIndicatorView.Style func makeUIView(context: UIViewRepresentableContext<ActivityIndicator>) -> UIActivityIndicatorView { return UIActivityIndicatorView(style: style) } func updateUIView(_ uiView: UIActivityIndicatorView, context: UIViewRepresentableContext<ActivityIndicator>) { isAnimating ? uiView.startAnimating() : uiView.stopAnimating() } } //Usage... ActivityIndicator(isAnimating: .constant(true), style: .large)

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