tableView auto back

 
#pragma mark - Table view delegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    // Navigation logic may go here. Create and push another view controller.
     [self performSelector: @selector(back) withObject: nil afterDelay: 0.5f];
    
}
- (void) back
{
 [self.navigationController popViewControllerAnimated: YES];
}