scrollToRowAtIndexPath stopped working in iOS 7 - ?UITableViewCellScrollView? Change in UITableViewCell hierarchy - uitableview

Question

I upgraded to Xcode 5 and my app to target iOS 7 and my app no longer responded to scrollToIndexPath to scroll the appropiate tableviewcell out of the way of the keyboard
My set up is i had a custom tableview cell, with textfield on it, and was using it to generate multiple tableview cells to display and edit parts of an address.
Tapping on a textfield on a cell triggers
- (void)textFieldDidBeginEditing:(UITextField *)textField
And the code to make it scroll to the top , out of the way of the keyboard was as follows
UITableViewCell *cell = (UITableViewCell*) textField.superview.superview;
[self scrollToRowAtIndexPath:[self indexPathForCell:cell] atScrollPosition:UITableViewScrollPositionTop animated:YES];
This worked fine in iOS 6 but doesn't work in iOS 7. It also does not generate any error.

Answer 1

The solution here is a simple one
It appears that there has been a change in the hierarchy of tableviewCells
So adding an extra .superview
UITableViewCell *cell = (UITableViewCell*) textField.superview.superview;
Becomes
UITableViewCell *cell = (UITableViewCell*) textField.superview.superview.superview;
and it works targeting iOS 7.
The textField.superview.superview used to be an object of class UITableViewCell (or more specifically my custom UITableViewCell)
Now it's an object of class UITableViewCellScrollView and you need to get that its superview.
UITableViewCellScrollView is a private subclass that apparently enables the the slide left to reveal the delete button
After working this out i found this blogpost which illustrates it nicely
Hope this stops a few of you pulling your hair out :)
Simon

Answer 2

As the previous answer said, the view hierarchy of a UITableViewCell changed in iOS 7. Instead of using:
UITableViewCell *cell = (UITableViewCell*) textField.superview.superview;
Define the following method:
- (UITableViewCell *)cellForSubview:(UIView *)subview
{
UIView *view = subview;
while (view != nil && ![view isKindOfClass:[UITableViewCell class]]) {
view = [view superview];
}
return view;
}
Then use it as follows:
UITableViewCell *cell = [self cellForSubview:textField];
This should work in iOS 6 and 7.