Redraw UITableView after updating data async

iphone, uitableview, xamarin.ios

Solution

You said you're populating content asynchronously but did you invoke the reloadData in the context of the main thread ? (and not via the thread that populates the content)

Objective-C

[yourUITableView performSelectorOnMainThread:@selector(reloadData)
                                  withObject:nil 
                               waitUntilDone:NO];

Swift

dispatch_async(dispatch_get_main_queue(), { self.tableView.reloadData() })

Monotouch

InvokeOnMainThread(() => this.TableView.ReloadData());

Problem

I have a UITableview that I load with data async so the tableview might appear without data. I have tired the ReloadData method but the tableview remains empty until I scroll the tableview, suddenly the data appears. The same thing happens when I load a tableview as a detailedview and switching between items, the previoud items data appears first and as soon as I scroll in the table view it shows the correct data. My guess is that the ReloadData method works just fine, but I need to redraw the tableview somehow, any suggestions on how to solve this? /Jimmy

Original source