iMessage Apps: Presented view controllers do not have the correct layout anchors

Number:rdar://28070557 Date Originated:30-Aug-2016 01:18 AM
Status:Duplicate Resolved:02-Sep-2016 10:58 AM
Product:iOS Product Version:iOS 10 Beta 8: 14A5346A
Classification:Serious Bug Reproducible:Always

If you present another view controller outside of the initial MessageViewController hierarchy (eg by modal segue), the layout anchors are wrong and it leads to content getting cut off or not scrolling properly.

Steps to Reproduce:
1. Create a new message app
2. Present the standard UIImagePickerController modally in viewDidLoad
3. Expand the message app window

Expected Results:
The UIImagePickerController is correctly displayed

Actual Results:
The top is cut off because it does not have the correct layout anchors

iOS 10 Beta 6: 14A5339a, iOS 10 Beta 8: 14A5346A

I have attached a demo project which always reproduces the problem.

iOS Simulator 14A5339a, iPhone 6S Plus

'', 'Simulator Screen Shot Aug 29, 2016, 1.39.17 PM.png' and 'Simulator Screen Shot Aug 29, 2016, 1.39.15 PM.png' were successfully uploaded.


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