Re: NSLayoutConstraint crash
Re: NSLayoutConstraint crash
- Subject: Re: NSLayoutConstraint crash
- From: David Catmull <email@hidden>
- Date: Fri, 16 Mar 2018 10:14:01 -0600
I found that in my googling, but since I'm not changing priorities, it
wasn't helpful.
On Fri, Mar 16, 2018 at 10:06 AM, Richard Charles <email@hidden>
wrote:
>
> > On Mar 16, 2018, at 9:03 AM, David Catmull <email@hidden>
> wrote:
> >
> > After I set up a somewhat complex view hierarchy, I'm getting a crash
> with
> > this exception:
> >
> > 2018-03-16 08:59:21.814873-0600 App[31201:13046721] *** Assertion
> failure
> > in -[NSLayoutConstraint setPriority:],
> > /BuildRoot/Library/Caches/com.apple.xbs/Sources/Foundation/
> Foundation-1451/Foundation/Layout.subproj/NSLayoutConstraint.m:222
> >
> > It happens on the main event loop where none of my code is involved; I
> > never set constraint priorities myself. What could be causing this error?
>
> Perhaps this might help.
>
> https://books.google.com/books?id=JTxsAQAAQBAJ&pg=PP51&;
> lpg=PP51&dq=Assertion+failure+NSLayoutConstraint+
> setPriority&source=bl&ots=5hS5MqkC4F&sig=RZENjGG10if2pqw9_RKTbJhTQQA&
> hl=en&sa=X&ved=0ahUKEwjJhrm6m_HZAhVM6WMKHU0wCogQ6AEIZjAI#v=
> onepage&q&f=false
>
> --Richard Charles
>
>
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