iOS 11 search bar jumping to top of screen

Question

I\'ve got a UITableView in which I set its header to be a search bar.

tableView.tableHeaderView = searchController.searchBar

Everything wor

Answer 1

Try this:

if (@available(iOS 11, *)){
    [searchVC.searchBar addObserver:self forKeyPath:@"frame" options: NSKeyValueObservingOptionNew context:nil];
}else{
    [view addSubview:searchVC.searchBar];
}

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
    CGRect rect = [change[@"new"] CGRectValue];
    if (rect.origin.y == 14) {
        CGRect temp = rect;
        temp.origin.y = 20;
        [self.searchVC.searchBar setValue:@(temp) forKey:@"frame"];
    }else if (rect.size.height == 56){
        CGRect temp = rect;
        temp.size.height = 50;
        [self.searchVC.searchBar setValue:@(temp) forKey:@"frame"];
    }
}