iOS 7 UITableView: How to remove space between navigation bar and first cell

Question

Description of the problem: with iOS 7 in grouped UITableView there is a gap between the top of the table view and the first cell.

The strange part is th

Answer 1

If you are using a UITableView with grouped style and only 1 group, use plain style instead solve your problem.

UITableViewController *tableViewController;
tableViewController = [[UITableViewController alloc] initWithStyle:UITableViewStylePlain];