Reload UITableView when navigating back?

Question

I have a top level UIViewController that contains a UITableView. The top level UIViewController instantiates a NavigationController

Answer 1

Updated for Swift 3

let index = tableView.indexPathForSelectedRow
    if (index != nil){
        self.tableView.reloadRows(at: [index!], with: UITableViewRowAnimation.automatic)
    }