Repo created

iphone/Maps/Classes/LoadingOverlay/LoadingOverlayViewController.swift

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+final class LoadingOverlayViewController: UIViewController {
+  private var activityIndicator: UIActivityIndicatorView = {
+    let indicator: UIActivityIndicatorView
+    indicator = UIActivityIndicatorView(style: .large)
+    indicator.color = .white
+    indicator.startAnimating()
+    indicator.translatesAutoresizingMaskIntoConstraints = false
+    return indicator
+  }()
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    view.backgroundColor = UIColor.black.withAlphaComponent(0.3)
+    setupViews()
+  }
+
+  private func setupViews() {
+    view.addSubview(activityIndicator)
+    NSLayoutConstraint.activate([
+      activityIndicator.centerXAnchor.constraint(equalTo: view.centerXAnchor),
+      activityIndicator.centerYAnchor.constraint(equalTo: view.centerYAnchor)
+    ])
+    view.isUserInteractionEnabled = false
+  }
+}