SwiftUI 中 UIActivityViewController 出现多个错误

Question

当我运行下面的代码时，控制台会输出很多奇怪的错误。如果您阅读它们，您会注意到它们都提到了一些“数据库”和“检索缩略图”。我猜它与我尝试共享的非普通类型文档（Excel 工作表）有某种联系。有什么提示我如何避免这种混乱或解决问题吗？

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控制台输出：

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2021-12-11 02:01:40.253894+0300 dia[964:95878] [Fetching] LPFileMetadataProviderSpecialization failed to retrieve a thumbnail from QuickLookThumbnailing (Error Domain=QLThumbnailErrorDomain Code=0 "Could not generate a thumbnail")\n2021-12-11 02:01:40.267006+0300 dia[964:95858] [default] LaunchServices: store (null) or url (null) was nil: Error Domain=NSOSStatusErrorDomain Code=-54 "process may not map database" UserInfo={NSDebugDescription=process may not map database, _LSLine=264, _LSFunction=-[_LSDReadClient getServerStoreWithCompletionHandler:]}\n2021-12-11 02:01:40.267062+0300 dia[964:95858] [default] Attempt to map database failed: permission was denied. This attempt will not be retried.\n2021-12-11 02:01:40.267105+0300 dia[964:95858] [db] Failed to initialize client context with error Error Domain=NSOSStatusErrorDomain Code=-54 "process may not map database" UserInfo={NSDebugDescription=process may not map database, _LSLine=264, _LSFunction=-[_LSDReadClient getServerStoreWithCompletionHandler:]}\n2021-12-11 02:01:40.268634+0300 dia[964:95858] [default] -imageForImageDescriptor: can do IO please adopt -imageForDescriptor: for IO free drawing or -prepareImageForDescriptor: if IO is allowed. (This will become a fault soon.)\n2021-12-11 02:01:40.276320+0300 dia[964:95858] Metal API Validation Enabled\n2021-12-11 02:01:40.512236+0300 dia[964:95858] [default] LaunchServices: store (null) or url (null) was nil: Error Domain=NSOSStatusErrorDomain Code=-54 "process may not map database" UserInfo={NSDebugDescription=process may not map database, _LSLine=264, _LSFunction=-[_LSDReadClient getServerStoreWithCompletionHandler:]}\n2021-12-11 02:01:40.512331+0300 dia[964:95858] [default] Attempt to map database failed: permission was denied. This attempt will not be retried.\n2021-12-11 02:01:40.512396+0300 dia[964:95858] [db] Failed to initialize client context with error Error Domain=NSOSStatusErrorDomain Code=-54 "process may not map database" UserInfo={NSDebugDescription=process may not map database, _LSLine=264, _LSFunction=-[_LSDReadClient getServerStoreWithCompletionHandler:]}\n2021-12-11 02:01:40.512597+0300 dia[964:95858] [default] -imageForImageDescriptor: can do IO please adopt -imageForDescriptor: for IO free drawing or -prepareImageForDescriptor: if IO is allowed. (This will become a fault soon.)\n2021-12-11 02:01:40.518850+0300 dia[964:95858] [LayoutConstraints] Changing the translatesAutoresizingMaskIntoConstraints property of a UICollectionReusableView that is managed by a UICollectionView is not supported, and will result in incorrect self-sizing. View: <_UIActivityContentFooterView: 0x1021589b0; baseClass = UICollectionReusableView; frame = (20 482.5; 374 52); layer = <CALayer: 0x28133d660>>\n

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我的完整代码：

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import SwiftUI\nimport UIKit\n\nstruct export: View {\n  @State private var isPres: Bool = false\n  @State private var isLoad: Bool = true\n  @State private var path: [Any] = []\n  var anatomy = Anatomy()\n  var body: some View {\n    ZStack {\n      VStack {\n        ScrollView {\n          HStack {\n            Button(action:{\n              isLoad.toggle()\n              Task {\n                path.removeAll()\n                path.append(try await anatomy.generate())\n                DispatchQueue.main.asyncAfter(deadline: .now() + 0.20) {\n                  isLoad.toggle()\n                }\n              }\n              isPres.toggle()\n            }){\n              VStack{\n                Image("menu_xlsx")\n                Text("\xd0\x9f\xd0\xbe\xd0\xba\xd0\xb0\xd0\xb7\xd0\xb0\xd1\x82\xd1\x8c \xd0\xb4\xd0\xb0\xd0\xbd\xd0\xbd\xd1\x8b\xd0\xb5 \xd0\xb2 \\n \xd1\x82\xd0\xb0\xd0\xb1\xd0\xbb\xd0\xb8\xd1\x86\xd0\xb5").foregroundColor(Color.black).multilineTextAlignment(.center)\n              }\n            }\n            .sheet(isPresented: $isPres) {\n              ShareSheet(activityItems: path)\n            }\n            Button(action:{}){\n              VStack{\n                Image("menu_mail")\n                Text("\xd0\x9e\xd1\x82\xd0\xbf\xd1\x80\xd0\xb0\xd0\xb2\xd0\xb8\xd1\x82\xd1\x8c \xd0\xb4\xd0\xb0\xd0\xbd\xd0\xbd\xd1\x8b\xd0\xb5 \\n \xd0\xb2\xd1\x80\xd0\xb0\xd1\x87\xd1\x83").foregroundColor(Color.black).multilineTextAlignment(.center)\n              }\n            }\n          }.padding(.top)\n        }\n        Spacer()\n      }\n      if !isLoad {\n        ProgressView()\n          .progressViewStyle(.circular)\n          .scaleEffect(2.5)\n      }\n    }\n    .navigationBarTitle("\xd0\xad\xd0\xba\xd1\x81\xd0\xbf\xd0\xbe\xd1\x80\xd1\x82 \xd0\xb4\xd0\xb0\xd0\xbd\xd0\xbd\xd1\x8b\xd1\x85")\n  }\n}\n\nstruct ShareSheet: UIViewControllerRepresentable {\n//  typealias Callback = (_ activityType: UIActivity.ActivityType?, _ completed: Bool, _ returnedItems: [Any]?, _ error: Error?) -> Void\n\n  let activityItems: [Any]\n  let applicationActivities: [UIActivity]? = nil\n//  let excludedActivityTypes: [UIActivity.ActivityType]? = nil\n//  let callback: Callback? = nil\n   \n  func makeUIViewController(context: Self.Context) -> UIActivityViewController {\n    let controller = UIActivityViewController(\n      activityItems: activityItems,\n      applicationActivities: applicationActivities)\n//    controller.excludedActivityTypes = excludedActivityTypes\n//    controller.completionWithItemsHandler = callback\n    return controller\n  }\n   \n  func updateUIViewController(_ uiViewController: UIActivityViewController, context: Self.Context) {\n    // nothing to do here\n  }\n}\n\nstruct export_Previews: PreviewProvider {\n  static var previews: some View {\n    export()\n  }\n}\n

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