add sharing to UIViewController

Sources/HSUIKit/UIViewController+Share.swift

@@ -0,0 +1,62 @@
+//
+//  File.swift
+//  
+//
+//  Created by Rob Jonson on 10/04/2021.
+//
+
+#if canImport(UIKit) && !os(watchOS)
+
+import Foundation
+import UIKit
+
+public extension UIViewController {
+
+    @objc
+    func share(items:[ShareItem],sourceView:UIView? = nil,permittedArrowDirections:UIPopoverArrowDirection = []) {
+
+        guard let view = sourceView ?? self.view else {
+            return
+        }
+
+        let activityViewController = UIActivityViewController(activityItems: items, applicationActivities: nil)
+
+        if let popoverPC = activityViewController.popoverPresentationController {
+            popoverPC.sourceView = view
+            popoverPC.sourceRect = view.bounds
+            popoverPC.permittedArrowDirections = permittedArrowDirections
+        }
+
+        self.present(activityViewController, animated: true)
+
+    }
+}
+
+@objc
+public class ShareItem: NSObject, UIActivityItemSource {
+
+    private let subject:String
+    private let item:Any
+
+    public init(subject: String, item: Any) {
+        self.subject = subject
+        self.item = item
+
+        super.init()
+    }
+
+    public func activityViewControllerPlaceholderItem(_ activityViewController: UIActivityViewController) -> Any {
+        return item
+    }
+
+    public func activityViewController(_ activityViewController: UIActivityViewController, itemForActivityType activityType: UIActivity.ActivityType?) -> Any? {
+        return item
+    }
+
+    public func activityViewController(_ activityViewController: UIActivityViewController,
+                                subjectForActivityType activityType: UIActivity.ActivityType?) -> String {
+        return subject
+    }
+}
+
+#endif