loadTableDataAsync.swift

func loadTable() {
        dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)) {
            //Add your long running task to get the table data here
            
            dispatch_async(dispatch_get_main_queue()) {
                self.indicator.stopAnimating()
                self.indicator.hidesWhenStopped = true
                self.tableView.reloadData()
            }
        }
    }