Added support for SwiftUI's Image.

Author: psalzAppDev

README.md

@@ -73,34 +73,33 @@ present(activityImageVC, animated: true)
 import SwiftUI
 import PSActivityImageViewController
 
-struct MyView: View {
-
-    let image: Image
+struct ContentView: View {
+    
+    let image = Image("Image")
 
     @State
-    var activityItem: ActivityItem? = nil
+    var activityItem: ActivityImageItem? = nil
 
     var body: some View {
 
         VStack(spacing: 16) {
-        
+                
             image
+                .resizable()
+                .aspectRatio(contentMode: .fit)
+                .padding()
 
             Button(
                 action: {
-                    activityItem = ActivityImageItem(
-                        image: image,
-                        activities: image
-                    )
+                    activityItem = ActivityImageItem(image: image)
                 },
                 label: {
                     Text("Share image")
                 }
             )
-        
+            .activityImageSheet($activityItem)
         }
         .padding()
-        .activityImageSheet($activityItem)
     }
 }
 ```

Sources/PSActivityImageViewController/SwiftUI/ActivityImageView.swift

@@ -122,9 +122,13 @@ private final class ActivityViewControllerWrapper: UIViewController {
             return
         }
 
+        let uiImage = item.image.snapshot()
+        var completeItems: [Any] = [uiImage]
+        completeItems.append(contentsOf: item.items)
+        
         let controller = ActivityImageViewController(
-            image: item.image,
-            activityItems: item.items,
+            image: uiImage,
+            activityItems: completeItems,
             activities: item.activities,
             excludedTypes: item.excludedTypes,
             completion: { [weak self] activityType, success, items, error in
@@ -143,5 +147,30 @@ private final class ActivityViewControllerWrapper: UIViewController {
     }
 }
 
+@available(iOS 13, *)
+extension View {
+    
+    func snapshot() -> UIImage {
+        
+        let controller = UIHostingController(rootView: self)
+        let view = controller.view
+        
+        let targetSize = controller.view.intrinsicContentSize
+        
+        view?.bounds = CGRect(origin: .zero, size: targetSize)
+        view?.backgroundColor = .clear
+        
+        let renderer = UIGraphicsImageRenderer(size: targetSize)
+        
+        return renderer.image { _ in
+            
+            view?.drawHierarchy(
+                in: controller.view.bounds,
+                afterScreenUpdates: true
+            )
+        }
+    }
+}
+
 #endif
 

Sources/PSActivityImageViewController/SwiftUI/ActivityItem.swift

@@ -5,20 +5,23 @@
 //  Created by Peter Salz on 08.09.21.
 //
 
+#if canImport(SwiftUI)
+
 import UIKit
+import SwiftUI
 
 /// Represents an activity for presenting an `ActivityView` (share sheet) via the `activitySheet`
 /// modifier.
 @available(iOS 13, *)
 public struct ActivityImageItem {
 
-    internal var image: UIImage
+    internal var image: Image
     internal var items: [Any]
     internal var activities: [UIActivity]
     internal var excludedTypes: [UIActivity.ActivityType]
 
     public init(
-        image: UIImage,
+        image: Image,
         items: Any...,
         activities: [UIActivity] = [],
         excludedTypes: [UIActivity.ActivityType] = []
@@ -30,3 +33,5 @@ public struct ActivityImageItem {
         self.excludedTypes = excludedTypes
     }
 }
+
+#endif