Fix Permission CTD for packaged/unpackaged apps using CameraView

samples/CommunityToolkit.Maui.Sample/Pages/Views/CameraView/CameraViewPage.xaml.cs

@@ -25,9 +25,20 @@ protected override async void OnAppearing()
 	{
 		base.OnAppearing();
 
-		var cameraPermissionsRequest = await Permissions.RequestAsync<Permissions.Camera>();
-		var microphonePermissionsRequest = await Permissions.RequestAsync<Permissions.Microphone>();
-
+		var packagingModel = AppInfo.Current.PackagingModel;
+		PermissionStatus microphonePermissionsRequest;
+		PermissionStatus cameraPermissionsRequest;
+		if (packagingModel == AppPackagingModel.Packaged || OperatingSystem.IsAndroid() || OperatingSystem.IsIOS() || OperatingSystem.IsMacCatalyst())
+		{
+			cameraPermissionsRequest = await Permissions.RequestAsync<Permissions.Camera>();
+			microphonePermissionsRequest = await Permissions.RequestAsync<Permissions.Microphone>();
+		}
+		else
+		{
+			// Permissions are automatically granted for unpackaged apps, so we can just set them to Granted.
+			microphonePermissionsRequest = PermissionStatus.Granted;
+			cameraPermissionsRequest = PermissionStatus.Granted;
+		}
 		if (cameraPermissionsRequest is not PermissionStatus.Granted)
 		{
 			await Shell.Current.CurrentPage.DisplayAlertAsync("Camera permission is not granted.", "Please grant the permission to use this feature.", "OK");

src/CommunityToolkit.Maui.Camera/Views/CameraView.shared.cs

@@ -326,7 +326,7 @@ static Command<CancellationToken> CreateStartCameraPreviewCommand(BindableObject
 		return new(async token => await cameraView.StartCameraPreview(token).ConfigureAwait(false));
 	}
 
-	static Command CreateStopCameraPreviewCommand(BindableObject bindable)
+	static Command<CancellationToken> CreateStopCameraPreviewCommand(BindableObject bindable)
 	{
 		var cameraView = (CameraView)bindable;
 		return new(_ => cameraView.StopCameraPreview());