For group table cell, I fall into this problem.
If anybody face the problem, I got a solution, set a transparent view as a background view of the cell. Then it becomes totally transparent. Then you can add more view or customize the cell.
UIView *backView = [[[UIView alloc] initWithFrame:CGRectZero] autorelease]; backView.backgroundColor = [UIColor clearColor]; messageCell.backgroundView = backView; messageCell.contentView.layer.cornerRadius = 10.0; messageCell.contentView.layer.borderWidth = 1.0f; messageCell.contentView.layer.borderColor = [[Settings getInstance] colorFrameBorder].CGColor; messageCell.selectionStyle = UITableViewCellSelectionStyleNone; return messageCell;
This solution was quoted in one of the StackOverflow question, which I cant remember. I have also found that, its easy to add a transparent view in the table header or footer. The button down the contact details are probably added in a footer view.