UITableView Scrolls to Top on Cell Refresh

Question

I have a UITableView with a cell that is dynamically sized to fit a UITextView inside it. Whenever a key is typed, the cell checks to see if the calculated height has increased,

Answer 1

Here is my UITableView extension that works perfectly. In Swift 2.1. Based on the accepted answer.

extension UITableView
{
    func reloadDataAnimatedKeepingOffset()
    {
        let offset = contentOffset
        UIView.setAnimationsEnabled(false)
        beginUpdates()
        endUpdates()
        UIView.setAnimationsEnabled(true)
        layoutIfNeeded()
        contentOffset = offset
    }
}