Black corners on UITableView Group Style

You'll get Black corners on UITableView Group Style if you set background color to clear color in XIB.

Instead try this code for removing Black corners on UITableView Group Style

tableViewObject.backgroundColor=[UIColor clearColor];

I have got the same problem. When I set clear color by xib, I have the back corner The solution is to set it by code !

(The same problem with interface builder exist for webviews)

Just in case you weren't already aware, there's another neat technique you can use to make customized backgrounds for UITableViews:

Not quite as simple as setting the background as you're doing, but it gives you a lot more flexibility and can scale to any table size.

Try this in your controller's viewDidLoad method:

meetingTableView.backgroundColor = [UIColor clearColor];