Reload TableView preserving offset

gistfile1.txt

@implementation UITableView (PreserveOffset)

- (void)reloadDataPreservingOffset
{
    CGSize contentSize = self.contentSize;
    CGPoint contentOffset = self.contentOffset;
    
    [self reloadData];
    
    CGSize newContentSize = self.contentSize;
    CGPoint newContentOffset = self.contentOffset;
    
    if (!CGPointEqualToPoint(contentOffset, newContentOffset)) // content has been inserted above
    {
        CGFloat adjustedOffsetY = contentOffset.y + newContentSize.height - contentSize.height;
        self.contentOffset = CGPointMake(0, adjustedOffsetY);
    }
}

@end