Determine if a tableview cell is visible

Question

Is there any way to know if a tableview cell is currently visible? I have a tableview whose first cell(0) is a uisearchbar. If a search is not active, then hide cell 0 via a

Answer 1

Swift Version:

if let indices = tableView.indexPathsForVisibleRows {
    for index in indices {
        if index.row == 0 {
            return true
        }
    }
}
return false

Answer 2

IOS 4:

NSArray *cellsVisible = [tableView indexPathsForVisibleRows];
NSUInteger idx = NSNotFound;
idx = [cellsVisible indexOfObjectsPassingTest:^BOOL(id obj, NSUInteger idx, BOOL *stop)
{
    return ([(NSIndexPath *)obj compare:indexPath] == NSOrderedSame);
}];

if (idx == NSNotFound)
{