Bug 33360

Summary: ArgumentNullException due to unassigned gesture recognizer
Product: Forms Reporter: Cody Beyer (MSFT) <cody.beyer>
Component: iOSAssignee: Rui Marinho <rui.marinho>
Status: VERIFIED FIXED    
Severity: normal CC: jas, jb.ranson, michael, parmendrak, paul.dipietro
Priority: Normal    
Version: 1.5.0   
Target Milestone: ---   
Hardware: PC   
OS: Mac OS   
Tags: ac Is this bug a regression?: ---
Last known good build:
Attachments: TestCase

Description Cody Beyer (MSFT) 2015-08-25 11:53:35 UTC
### Description

The following is a simple master/detail page, where when displaying the detail page after displaying the master page

### Sample

Attached

### Error

https://gist.github.com/CodyBeyer/5c24f593895daf78689f

### Steps to Reproduce

1. Download sample
2. Deploy to iOS Simulator
3. Click "SetMasterDetailPage"
4. Click "SetFirstPage"

### Expected Results

The first page should appear again 

### Actual Results

Crash with above linked stack trace

### Version

=== Xamarin Studio ===

Version 5.9.5 (build 10)
Installation UUID: 8915c17c-ec61-4ec3-8f89-0683d6363abf
Runtime:
	Mono 4.0.3 ((detached/d6946b4)
	GTK+ 2.24.23 (Raleigh theme)

	Package version: 400030020

=== Apple Developer Tools ===

Xcode 6.4 (7720)
Build 6E35b

=== Xamarin.iOS ===

Version: 8.10.4.46 (Business Edition)
Hash: 2c66d2f
Branch: master
Build date: 2015-08-04 13:52:25-0400

=== Xamarin.Android ===

Version: 5.1.5.3 (Business Edition)
Android SDK: /Users/codybeyer/Library/Developer/Xamarin/android-sdk-macosx
	Supported Android versions:
		4.0.3 (API level 15)
		4.4   (API level 19)
		5.0   (API level 21)
		5.1   (API level 22)
Java SDK: /usr
java version "1.7.0_71"
Java(TM) SE Runtime Environment (build 1.7.0_71-b14)
Java HotSpot(TM) 64-Bit Server VM (build 24.71-b01, mixed mode)

=== Xamarin Android Player ===

Version: Unknown version
Location: /Applications/Xamarin Android Player.app

=== Xamarin.Mac ===

Version: 2.0.2.111 (Business Edition)

=== Build Information ===

Release ID: 509050010
Git revision: 48d16bc4f12ce3938964fc7c3d72fdc6887ad4ad
Build date: 2015-08-18 16:55:24-04
Xamarin addins: c2d51b360ad9f59e689046d47030df27de28f94a

=== Operating System ===

Mac OS X 10.10.5
Darwin BeyerStudios.router 14.5.0 Darwin Kernel Version 14.5.0
    Wed Jul 29 02:26:53 PDT 2015
    root:xnu-2782.40.9~1/RELEASE_X86_64 x86_64
Comment 1 Cody Beyer (MSFT) 2015-08-25 12:33:59 UTC
Created attachment 12633 [details]
TestCase
Comment 2 Jason Smith [MSFT] 2015-09-02 02:06:06 UTC
Should be fixed in 1.5.1-pre1
Comment 3 Parmendra Kumar 2015-10-08 10:15:37 UTC
I have checked this issue with Xamarin.Forms 1.5.1-pre1 and its working fine.

Hence closing this issue.