Fixes FileSaver filename on Apple

samples/CommunityToolkit.Maui.Sample/ViewModels/Essentials/FolderPickerViewModel.cs

@@ -34,7 +34,8 @@ async Task PickFolderStatic(CancellationToken cancellationToken)
 		var folderResult = await FolderPicker.PickAsync("DCIM", cancellationToken);
 		if (folderResult.IsSuccessful)
 		{
-			await Toast.Make($"Folder picked: Name - {folderResult.Folder.Name}, Path - {folderResult.Folder.Path}", ToastDuration.Long).Show(cancellationToken);
+			var filesCount = Directory.EnumerateFiles(folderResult.Folder.Path).Count();
+			await Toast.Make($"Folder picked: Name - {folderResult.Folder.Name}, Path - {folderResult.Folder.Path}, Files count - {filesCount}", ToastDuration.Long).Show(cancellationToken);
 		}
 		else
 		{

src/CommunityToolkit.Maui.Core/Essentials/FileSaver/FileSaverImplementation.macios.cs

@@ -20,7 +20,14 @@ async Task<string> InternalSaveAsync(string initialPath, string fileName, Stream
 	{
 		cancellationToken.ThrowIfCancellationRequested();
 		var fileManager = NSFileManager.DefaultManager;
-		var fileUrl = fileManager.GetTemporaryDirectory().Append($"{Guid.NewGuid()}{GetExtension(fileName)}", false);
+		var tempDirectoryPath = fileManager.GetTemporaryDirectory().Append(Guid.NewGuid().ToString(), true);
+		var isDirectoryCreated = fileManager.CreateDirectory(tempDirectoryPath, true, null, out var error);
+		if (!isDirectoryCreated)
+		{
+			throw new Exception(error?.LocalizedDescription ?? "Unable to create temp directory.");
+		}
+
+		var fileUrl = tempDirectoryPath.Append(fileName, false);
 		await WriteStream(stream, fileUrl.Path ?? throw new Exception("Path cannot be null."), cancellationToken);
 
 		cancellationToken.ThrowIfCancellationRequested();

src/CommunityToolkit.Maui.Core/Essentials/FileSaver/FileSaverImplementation.windows.cs

@@ -27,7 +27,7 @@ async Task<string> InternalSaveAsync(string initialPath, string fileName, Stream
 		var file = await filePickerOperation;
 		if (string.IsNullOrEmpty(file?.Path))
 		{
-			throw new FileSaveException("Path doesn't exist.");
+			throw new FileSaveException("Operation cancelled or Path doesn't exist.");
 		}
 
 		await WriteStream(stream, file.Path, cancellationToken).ConfigureAwait(false);

src/CommunityToolkit.Maui.Core/Essentials/FolderPicker/FolderPickerImplementation.macios.cs

@@ -57,7 +57,7 @@ void DocumentPickerViewControllerOnWasCancelled(object? sender, EventArgs e)
 
 	void DocumentPickerViewControllerOnDidPickDocumentAtUrls(object? sender, UIDocumentPickedAtUrlsEventArgs e)
 	{
-		var path = e.Urls[0].AbsoluteString ?? throw new FolderPickerException("Path cannot be null.");
+		var path = e.Urls[0].Path ?? throw new FolderPickerException("Path cannot be null.");
 		taskCompetedSource?.SetResult(new Folder(path, new DirectoryInfo(path).Name));
 	}
 }

src/CommunityToolkit.Maui.Core/Essentials/FolderPicker/FolderPickerImplementation.windows.cs

@@ -27,7 +27,7 @@ void CancelFolderPickerOperation()
 		var folder = await folderPickerOperation;
 		if (folder is null)
 		{
-			throw new FolderPickerException("Folder doesn't exist.");
+			throw new FolderPickerException("Operation cancelled or Folder doesn't exist.");
 		}
 
 		return new Folder(folder.Path, folder.Name);