How to use Autolayout and self-sizing cells in iOS8

Question

I have setup the auto-sizing cells with UILabels with no problem in iOS8 following this tutorial: http://useyourloaf.com/blog/2014/08/07/self-sizing-table-view-cells.html

But I am having problems setting up a UIImageView using auto-sizing. I need the images to be different sizes in Landscape compared to portrait (so they retain the same aspect ratio). But each time I get a broken layout constraints error

"<NSLayoutConstraint:0x14554680 'UIView-Encapsulated-Layout-Height' V:[UITableViewCellContentView:0x14564440(200)]>

As the actual code has quite a few different types of cell (that all work with auto-sizing cells) I have setup a simple example of the issue with a blue image view here:

https://github.com/AdrianMW/ios8autosizingCells

I have setup the constraints to the superview and am setting up the height like so:

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    ImageTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:kImageCell forIndexPath:indexPath];
    cell.heightConstraint.constant = [self heightForOrientation:self.interfaceOrientation];
    return cell;
}

Solutions Tried

I have tried turning off setTranslatesAutosizingMask: on the cell as per some of the other suggestions but when I do I just get a blank space instead of a image. I have also tried adding the following:

[cell setNeedsDisplay];
[cell layoutIfNeeded];

I have seen mention of overriding sizethatfits: to get it to work on this cell using the old way but that doesn't seem to be called on the cell.

Cheers

Answer 1

In your ImageTableViewCell.xib, try changing the constraint:

Image View.Bottom EQUAL Superview.Bottom

Change the priority from 1000 to 999.