How to resize a tableHeaderView of a UITableView?

Question

I\'m having trouble resizing a tableHeaderView. It simple doesn\'t work.

1) Create a UITableView and UIView (100 x 320 px);

2) Set the UIView as tableHeaderV

Answer 1

If your tableHeaderView is a content adjustable webView,you can try:

[self.webView.scrollView addObserver:self forKeyPath:@"contentSize" options:NSKeyValueObservingOptionNew context:nil];

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
    self.webView.height = self.webView.scrollView.contentSize.height;
    self.tableView.tableHeaderView = self.webView;
}

I tested it on iOS9 and iOS11,worked well.