-systemLayoutSizeFittingSize: returning incorrect height for tableHeaderView under iOS 8

Question

There are numerous threads about correctly sizing a tableHeaderView with auto-layout (one such thread) but they tend to pre-date iOS 8.

I have a situation with numerous

Answer 1

Changing your headerview function to the following works for me:

- (void)rejiggerTableHeaderView
{
    self.tableView.tableHeaderView = nil;

    UIView *header = self.headerView;
    CGRect frame = header.frame;
    frame.size.width = self.tableView.frame.size.width;
    header.frame = frame;

    [header setNeedsLayout];
    [header layoutIfNeeded];

    CGFloat height = [header systemLayoutSizeFittingSize:UILayoutFittingCompressedSize].height;

    CGRect headerFrame = header.frame;
    headerFrame.size.height = height;

    header.frame = headerFrame;

    self.tableView.tableHeaderView = header;
}