fix: Fix an issue with retrieving the app icon on iOS.

Author: jaywcjlove

Sources/StoreKitHelper/Extensions/UIApplication.swift

@@ -0,0 +1,24 @@
+//
+//  UIApplication.swift
+//  StoreKitHelper
+//
+//  Created by wong on 12/31/25.
+//
+
+#if canImport(UIKit)
+import UIKit
+
+extension UIApplication {
+    static func applicationIconImage() -> UIImage? {
+        guard
+            let icons = Bundle.main.infoDictionary?["CFBundleIcons"] as? [String: Any],
+            let primary = icons["CFBundlePrimaryIcon"] as? [String: Any],
+            let iconFiles = primary["CFBundleIconFiles"] as? [String],
+            let iconName = iconFiles.last
+        else {
+            return nil
+        }
+        return UIImage(named: iconName)
+    }
+}
+#endif

Sources/StoreKitHelper/Views/StoreKitHelperSelectionView.swift

@@ -194,8 +194,9 @@ private struct HeaderView: View {
                 Image(nsImage: NSImage(named: NSImage.applicationIconName)!)
                     .resizable()
                     .frame(width: 28, height: 28)
-            #else
-            if let appIcon = Bundle.main.icon {
+            #endif
+            #if canImport(UIKit)
+            if let appIcon = UIApplication.applicationIconImage() {
                 Image(uiImage: appIcon)
                     .resizable()
                     .scaledToFit() // 适应图标的比例

Sources/StoreKitHelper/Views/StoreKitHelperView.swift

@@ -201,8 +201,9 @@ private struct HeaderView: View {
                 Image(nsImage: NSImage(named: NSImage.applicationIconName)!)
                     .resizable()
                     .frame(width: 76, height: 76)
-            #else
-            if let appIcon = Bundle.main.icon {
+            #endif
+            #if canImport(UIKit)
+            if let appIcon = UIApplication.applicationIconImage() {
                 Image(uiImage: appIcon)
                     .resizable()
                     .scaledToFit() // 适应图标的比例