取消UITableViewController会更改ADBannerView位置

Question

I have set ADBannerView in last of UITableViewController it's working perfectly when have same view, but when I go to another view and dismiss it adview size changes.

here is code

override func scrollViewDidScroll(scrollView: UIScrollView) {
    let tableBounds = tableView.bounds
    var bannerFrame = self.bannerView.frame

    bannerFrame = CGRect(x: tableBounds.origin.x, y: tableBounds.origin.y + CGRectGetHeight(tableBounds) - CGRectGetHeight(bannerFrame), width: tableBounds.size.width, height: bannerFrame.size.height)
    bannerView.frame = bannerFrame
}

Before

After

Answer 1

Try replacing

let tableBounds = tableView.bounds

with

let tableBounds = tableView.frame