[iphone] How to set the height of table header in UITableView?

@kris answer is helpful for me anyone want it in Objective-C.

Here is the code

-(void)viewDidLayoutSubviews{
     [super viewDidLayoutSubviews];
     [self sizeHeaderToFit];
}

-(void)sizeHeaderToFit{
     UIView *headerView = self.tableView.tableHeaderView;
     [headerView setNeedsLayout];
     [headerView layoutIfNeeded];
     CGFloat height = [headerView systemLayoutSizeFittingSize:UILayoutFittingCompressedSize].height;
     CGRect frame = headerView.frame;
     frame.size.height = height;
     headerView.frame = frame;
     self.tableView.tableHeaderView = headerView;
}