Open Radar

 
Summary:
Launching an app while Split View is enabled on an iPad Air 2 prints layout errors. That's very annoying.

Steps to Reproduce:
1. Run the attached sample app on iPad Air 2 Simulator
2. Enable Split View by swiping in another app from the right
3. Stop running from Xcode
4. Run again from Xcode
5. Observe errors being printed

Expected Results:
no output at all.

Actual Results:
2015-11-25 14:07:23.308 test[40797:10955504] Unable to simultaneously satisfy constraints.
	Probably at least one of the constraints in the following list is one you don't want. 
	Try this: 
		(1) look at each constraint and try to figure out which you don't expect; 
		(2) find the code that added the unwanted constraint or constraints and fix it. 
(
    "<NSLayoutConstraint:0x7fc7b963e890 V:|-(20)-[UIInputSetContainerView:0x7fc7b9637ca0]   (Names: '|':UITextEffectsWindow:0x7fc7b940f450 )>",
    "<NSLayoutConstraint:0x7fc7b95264f0 'UIInputWindowController-top' V:|-(0)-[UIInputSetContainerView:0x7fc7b9637ca0]   (Names: '|':UITextEffectsWindow:0x7fc7b940f450 )>"
)

Will attempt to recover by breaking constraint 
<NSLayoutConstraint:0x7fc7b963e890 V:|-(20)-[UIInputSetContainerView:0x7fc7b9637ca0]   (Names: '|':UITextEffectsWindow:0x7fc7b940f450 )>

Make a symbolic breakpoint at UIViewAlertForUnsatisfiableConstraints to catch this in the debugger.
The methods in the UIConstraintBasedLayoutDebugging category on UIView listed in <UIKit/UIView.h> may also be helpful.

Version:
9.2 beta

Notes:


Configuration:
iPad Air 2 Simulator

Attachments:
'test.zip' was successfully uploaded. http://cl.ly/fkRC