Nib based cell doesn't layout correctly when rotated to landscape

[gshaw]

• Switch to using the NIB layout cell
• Rotate device to landscape

Bug: Body content doesn't adjust size correctly

Expected: Body content height adjusts to remove vertical padding

[smileyborg]

Yeah, I've seen this occur. As best I can tell it's a bug on Apple's side. Hopefully it will be resolved in one of the next iOS 8 betas.

It would be a good idea to file radars on this.

[gshaw]

There appears to be a missing constraint on the NIB layout that is present in the programmatically created one. I've tried to add it to the NIB but not having any luck. The lines I'm referring to are in TableViewCell.swift and are setting content compression resistance.

UIView.autoSetPriority(1000) {
    self.titleLabel.autoSetContentCompressionResistancePriorityForAxis(.Vertical)
    self.bodyLabel.autoSetContentCompressionResistancePriorityForAxis(.Vertical)
}

I'm still learning Auto Layout and not sure if this is relevant or not.

[smileyborg]

I don't have the project open in front of me, but I'm almost certain that those implicit constraints are indeed present in the nib (with Required priority = 1000). They aren't explicitly added - if you click on one of the views, you'll see that the content hugging and content compression resistance priorities can be set in the right inspector pane.

Even if these values were at their defaults, it wouldn't cause the issue we're seeing here though. I'm pretty sure it's an Apple bug.

[gshaw]

Filed radar #17570025 referencing this issue and example project as source material.

[smileyborg]

Great, I filed a dupe #17570105 so hopefully this will get some attention.

[gshaw]

I got a reply on my radar asking to see if this is resolved in Beta 4 (it is). Haven't checked beta 5.

[smileyborg]

I just tested using the beta 5 simulator, and the cells loaded from a nib are not working at all for iPhone landscape, or any iPad orientation. They only appear to size correctly in iPhone portrait.

Please do test this yourself, and let Apple know.

[zgavin]

This also appears to a problem in the simulator for the 6 and 6 plus. It seems like it is determining the height for the label based on a screen width of 320 pixels, then not adjusting the height for different widths.

[smileyborg]

Wonderful (sarcasm)...and I assume you were testing using the GM seed. Strongly suggest filing bug reports (they will be duplicates) to make sure Apple is aware of this.

And @zgavin your theory is the same as mine.

[zgavin]

Actually, it seems to be working if I remove bodyLabel and recreate it exactly (including constraints and content hugging). This also seems to solve rotation on 4 inch devices as well. Very strange.

You are correct, this is GM seed.

Also thanks for this app and your SO post, they've been very helpful for me.

[smileyborg]

@zgavin What do you mean "remove and recreate"? Do you see a difference in the nib's XML after doing so, or something?

[smileyborg]

(Please do feel free to submit a PR with this change if it resolves the issue!)

[zgavin]

The issue was the preferred width property, need to set it to automatic in the nib file. This may not be compatible with iOS 7.

[smileyborg]

@zgavin Thanks again for identifying the root cause, glad to know that it's not an Apple bug.