Bug 26298 - Crash when editing a constraint with the iOS designer
Summary: Crash when editing a constraint with the iOS designer
Status: VERIFIED FIXED
Alias: None
Product: Visual Studio Extensions
Classification: Xamarin
Component: iOS Designer ()
Version: 3.9
Hardware: PC Mac OS
: Normal normal
Target Milestone: ---
Assignee: Bugzilla
URL:
Depends on:
Blocks:
 
Reported: 2015-01-22 14:22 UTC by John Miller [MSFT]
Modified: 2015-02-16 07:37 UTC (History)
6 users (show)

Tags:
Is this bug a regression?: ---
Last known good build:

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Related Links:
Status:
VERIFIED FIXED

Description John Miller [MSFT] 2015-01-22 14:22:36 UTC
**Overview:**

   VS hangs and then crashes after editing the value of a constraint on a view.

**Steps to Reproduce:**

   1. Add an ImageView to a controller in a storyboard.
   2. Add four constraints for the leading/trailing top/bottom space. Also add 2 more constraints for width and height.
   3. Click on the ImageView and go to the Widget tab and double click the constraints to modify the values
   4. Modify all four constraints to have a value of 0
   5. Now try and modify the height/width constraint. 

   http://screencast.com/t/3ujV5P0l

**Actual Results:**

   VS hangs and crashes. 

**Expected Results:**

   No Crash. Should be able to modify all the constraints. 

**Build Date & Platform:**

   VS 2013
   XI 8.6
   XVS 3.9

**Additional Information:**

   You can do this in XS with no problems.
Comment 1 Abhishek 2015-01-23 11:18:39 UTC
I have tried this issue and able to reproduce the reported behavior at my end.

Steps to Reproduce:

1. Create iOS sample template.
2. Open the storyboard file and add an ImageView to a controller in a storyboard.
3. Add constraint to the ImageView.
4. Click on the ImageView and go to the widget tab and double click the   constraints to modify the values.
5. Modify all the constraint to have a value of 0.
6. After modifying the values due to which VS hang and crash.

IDE Log: https://gist.github.com/AkhileshKumar01/c78bcadfadc8c845d251
IOS Designer Log: https://gist.github.com/AkhileshKumar01/a8910272b698044c4c8a

Build Info:

Microsoft Visual Studio Professional 2013
Version 12.0.31101.00 Update 4
Microsoft .NET Framework
Version 4.5.50938

Installed Version: Professional

LightSwitch for Visual Studio 2013   06177-004-0444002-02179
Microsoft LightSwitch for Visual Studio 2013

Team Explorer for Visual Studio 2013   06177-004-0444002-02179
Microsoft Team Explorer for Visual Studio 2013

Visual Basic 2013   06177-004-0444002-02179
Microsoft Visual Basic 2013

Visual C# 2013   06177-004-0444002-02179
Microsoft Visual C# 2013

Visual C++ 2013   06177-004-0444002-02179
Microsoft Visual C++ 2013

Visual F# 2013   06177-004-0444002-02179
Microsoft Visual F# 2013

Visual Studio 2013 Code Analysis Spell Checker   06177-004-0444002-02179
Microsoft® Visual Studio® 2013 Code Analysis Spell Checker

Portions of International CorrectSpell™ spelling correction system © 1993 by Lernout & Hauspie Speech Products N.V. All rights reserved.

The American Heritage® Dictionary of the English Language, Third Edition Copyright © 1992 Houghton Mifflin Company. Electronic version licensed from Lernout & Hauspie Speech Products N.V. All rights reserved.

Application Insights Tools for Visual Studio Package   1.0
Application Insights Tools for Visual Studio

ASP.NET and Web Tools   12.4.51016.0
Microsoft Web Developer Tools contains the following components:
Support for creating and opening ASP.NET web projects
Browser Link: A communication channel between Visual Studio and browsers
Editor extensions for HTML, CSS, and JavaScript
Page Inspector: Inspection tool for ASP.NET web projects
Scaffolding: A framework for building and running code generators
Server Explorer extensions for Microsoft Azure Websites
Web publishing: Extensions for publishing ASP.NET web projects to hosting providers, on-premises servers, or Microsoft Azure

ASP.NET Web Frameworks and Tools 2012.2   4.1.21001.0
For additional information, visit http://go.microsoft.com/fwlink/?LinkID=309563

ASP.NET Web Frameworks and Tools 2013   5.2.21010.0
For additional information, visit http://www.asp.net/

Common Azure Tools   1.3
Provides common services for use by Azure Mobile Services and Microsoft Azure Tools.

Microsoft Azure Mobile Services Tools   1.3
Microsoft Azure Mobile Services Tools

NuGet Package Manager   2.8.50926.663
NuGet Package Manager in Visual Studio. For more information about NuGet, visit http://docs.nuget.org/.

Office Developer Tools for Visual Studio 2013 ENU   12.0.30626
Microsoft Office Developer Tools for Visual Studio 2013 ENU

PowerShell Tools   1.3
Provides file classification services using PowerShell

PreEmptive Analytics Visualizer   1.2
Microsoft Visual Studio extension to visualize aggregated summaries from the PreEmptive Analytics product.

SQL Server Data Tools   12.0.41012.0
Microsoft SQL Server Data Tools

Windows Phone 8.1 SDK Integration   1.0
This package integrates the tools for the Windows Phone 8.1 SDK into the menus and controls of Visual Studio.

Workflow Manager Tools 1.0   1.0
This package contains the necessary Visual Studio integration components for Workflow Manager.

Xamarin   3.9.286.0 (b9560ac)
Visual Studio extension to enable development for Xamarin.iOS and Xamarin.Android.

Xamarin.Android   4.20.0.34 (49a04b966feb40dfdba49d57ba16249b66d606a6)
Visual Studio plugin to enable development for Xamarin.Android.

Xamarin.iOS   8.6.1.0 (0b36fb80743a190b3c5cc98662da9f958b7ac830)
Visual Studio extension to enable development for Xamarin.iOS.

Xamarin.iOS Unified Migration   1.0
Automated migration for Xamarin iOS Classic projects to Unified

Build Host:
XI 8.6.1.19
Xcode 6.1.1
Comment 2 Alan McGovern 2015-02-12 09:34:21 UTC
Fixed. This was a VS specific issue. We fixed it by making the VS code share the same logic as Mac.
Comment 3 Ram Chandra 2015-02-16 07:37:57 UTC
I have checked this issue with following build:

Windows Info:

Microsoft Visual Studio Professional 2013
Version 12.0.31101.00 Update 4
Microsoft .NET Framework
Version 4.5.50938
Installed Version: Professional
Xamarin   3.9.325.0 (96e7814)
Xamarin.Android   4.20.0.34 (49a04b966feb40dfdba49d57ba16249b66d606a6)
Xamarin.iOS   8.6.2.0 (09ae75f83eafce1bdc3fa067f281cbdf1ca7b893)

Mac Info:

Mac OS X 10.9.5
Xamarin Studio: 5.7.2 (build 1)
Mono 3.12.0 ((detached/a813491)
GTK+ 2.24.23 (Raleigh theme)
Package version: 312000068
Xcode 6.1.1 (6611)
Build 6A2008a
Xamarin.iOS : 8.6.2.19 (Business Edition)

Observations: When I set the values of all four constraints to 0 and try to modify the height and width property. I am able to modify both property with any error/crashes. 

Screencast: http://www.screencast.com/t/jyzCkCv2wx

This issue has been fixed. Hence, I am closing this issue.