Custom fixed UITableView header

JSTableWithFixedHeaderViewController.m

// Key sections of code for this implementation are placed below

@interface JSTableWithFixedHeaderViewController ()

@property (strong, nonatomic) UIView *fixedHeaderView;

@end

@implementation JSTableWithFixedHeaderViewController

// The following code will insert our custom fixed header view in the appropriate hierarchy
- (void) viewWillAppear:(BOOL)animated
{
    CGSize intrinsicSize = self.fixedHeaderView.intrinsicContentSize;
    CGHeight height = (intrinsicSize.height > 0) ? intrinsicSize.height : 30; // replace with some fixed value as needed
    CGFloat width = CGRectGetWidth(self.view.bounds);
    CGRect frame = CGRectMake(0, 0, width, height);
    
    self.fixedHeaderView.frame = frame;
    self.tableView.scrollIndicatorInsets = UIEdgeInsetsMake(height, 0, 0, 0);
    
    UIView *wrapperView = self.tableView.subviews[0]; // this is a bit of a hack solution, but should always pull out the UITableViewWrapperView
    [self.tableView insertSubview:self.fixedHeaderView aboveSubview:wrapperView];
}

- (void) scrollViewDidScroll:(UIScrollView *)scrollView
{
    // Adjust the header's frame to keep it pinned to the top of the scroll view
    CGRect headerFrame = self.fixedHeaderView.frame;
    CGFloat yOffset = scrollView.contentOffset.y;
    headerFrame.origin.y = MAX(0, yOffset);
    self.fixedHeaderView.frame = headerFrame;
    
    // If the user is pulling down on the top of the scroll view, adjust the scroll indicator appropriately
    CGFloat height = CGRectGetHeight(headerFrame);
    if (yOffset< 0) {
        self.tableView.scrollIndicatorInsets = UIEdgeInsetsMake(ABS(yOffset) + height, 0, 0, 0);
    }
}

@end