hide tableview search bar when init

gistfile1.txt

- (void)viewWillAppear:(BOOL)animated{
    [super viewWillAppear:animated];
    
    CGPoint contentOffset = self.tableView.contentOffset;
    contentOffset.y += CGRectGetHeight(self.tableView.tableHeaderView.frame);
    self.tableView.contentOffset = contentOffset;
}

- (void)viewDidAppear:(BOOL)animated{
    [super viewDidAppear:animated];
    
    
    if (!self.tableView.tableHeaderView) {
        @weakify(self);
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            @strongify(self);
            UISearchBar *searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0., 0., 320., 44.)];
            CGPoint contentOffset = self.tableView.contentOffset;
            contentOffset.y += CGRectGetHeight(searchBar.frame);
            self.tableView.contentOffset = contentOffset;
            self.tableView.tableHeaderView = searchBar;
        });
    }

}