Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7

Question

Starting in iOS7, there is additional space at the top of my UITableView\'s which have a style UITableViewStyleGrouped.

Here is an example:<

Answer 1

So I was trying every method here, and this time none of them helped. My case was a grouped table view on iOS 9. I don't really know why and how I found out this one, but for me, setting the tableViewHeader with a UIView with at least 0.01 height worked out. CGRectZero didn't help, nothing really helped:

tableView.tableHeaderView = UIView(frame: CGRect(x: 0.0, y: 0.0, width: 0.0, height: 0.01))