Xcode should have option to refresh interface builder positioning when constraints change

Originator:zacwest
Number:rdar://21468209 Date Originated:19-Jun-2015 02:55 PM
Status:Open Resolved:
Product:Developer Tools Product Version:
Classification:Enhancement Reproducible:
 
Summary:
When editing a xib which uses autolayout, changing constraints doesn't update the views unless you do it manually. Xcode should support a mode where it automatically updates the view positions.

I would like this change because as it is right now, I have to tweak a value, update the views, repeat, several times, when I could just modify the value until the constraint matches my intention.

Steps to Reproduce:
1. Create a view using auto-layout.
2. Attempt to apply constraints to suit needs.
3. Find difficulty in understanding the impact of the constraints

Expected Results:
Xcode shows me what the view would look like if I ran it in the simulator.

Actual Results:
Xcode shows me views in whatever random place they were last in.

Version:
Xcode 6.3.2/6D2105

Notes:
https://twitter.com/kbcathey/status/611665326623690752

Configuration:


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