Error in Xamarin Android with a progress dialog “Only the original thread that created a view hierarchy can touch its views”

Question

I\'m trying to use a progress dialog, while filling a datagrid, but I get the following error: \"Only the original thread that created a view hierarchy can touch its views\", th

Answer 1

The error is telling you the app's UI must be handled by the main thread. In your code, you are running some code on a background thread (ThreadPool.QueueUserWorkItem) that needs to be run on the UI thread (RunOnUiThread) instead.