Bug 30139 - Multiple renderers attach to a single view cell in ListView.HasUnevenRows
Summary: Multiple renderers attach to a single view cell in ListView.HasUnevenRows
Status: RESOLVED NOT_REPRODUCIBLE
Alias: None
Product: Forms
Classification: Xamarin
Component: Forms ()
Version: 1.4.4
Hardware: PC Mac OS
: Normal normal
Target Milestone: ---
Assignee: Bugzilla
URL:
Depends on:
Blocks:
 
Reported: 2015-05-15 13:37 UTC by Cody Beyer (MSFT)
Modified: 2017-10-17 02:38 UTC (History)
9 users (show)

Tags: ac, listview, hasunevenrows, ios, norepro
Is this bug a regression?: ---
Last known good build:

Notice (2018-05-24): bugzilla.xamarin.com is now in read-only mode.

Please join us on Visual Studio Developer Community and in the Xamarin and Mono organizations on GitHub to continue tracking issues. Bugzilla will remain available for reference in read-only mode. We will continue to work on open Bugzilla bugs, copy them to the new locations as needed for follow-up, and add the new items under Related Links.

Our sincere thanks to everyone who has contributed on this bug tracker over the years. Thanks also for your understanding as we make these adjustments and improvements for the future.


Please create a new report on Developer Community or GitHub with your current version information, steps to reproduce, and relevant error messages or log files if you are hitting an issue that looks similar to this resolved bug and you do not yet see a matching new report.

Related Links:
Status:
RESOLVED NOT_REPRODUCIBLE

Description Cody Beyer (MSFT) 2015-05-15 13:37:34 UTC
### Description

The following sample app demonstrates an issue where multiple renderers will attach to a view cell within a ListView having UnevenRows

### Sample

https://www.dropbox.com/s/5imblm70n9ey1br/VariableCellHeightIssue.zip?dl=0

### Video

https://www.dropbox.com/s/qeie1p97vlj6ki4/RendererCell.mov?dl=0

### Steps to Reproduce

1. Deploy to iOS Simulator
2. Tap each view cell (Scrolling downwards)
3. Upon tap, each view cell should declare which renderer is assigned to it. 

### Expected Results

Each cell should only have one renderer assigned to it

### Actual Results

Cells 2 through 12 report two renderers assigned to it

### Version

=== Xamarin Studio ===

Version 5.9.2 (build 0)
Installation UUID: 061f61cf-c366-4da7-b3c9-31033d0fc883
Runtime:
	Mono 4.0.1 ((detached/6d5afc1)
	GTK+ 2.24.23 (Raleigh theme)

	Package version: 400010034

=== Apple Developer Tools ===

Xcode 6.3.1 (7703)
Build 6D1002

=== Xamarin.iOS ===

Version: 8.10.1.56 (Business Edition)
Hash: b39367d
Branch: master
Build date: 2015-05-14 08:50:11-0400

=== Xamarin.Android ===

Version: 5.1.2.0 (Business Edition)
Android SDK: /Users/beyerc/Library/Developer/Xamarin/android-sdk-macosx
	Supported Android versions:
		2.3   (API level 10)
		4.0.3 (API level 15)
		4.4   (API level 19)
		5.0   (API level 21)
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: 2.0.1.56 (Business Edition)

=== Build Information ===

Release ID: 509020000
Git revision: f97f3598952edca4678fc9fdafffecb68ed24399
Build date: 2015-05-08 11:55:56-04
Xamarin addins: ab18ddff45f507ed74f36c2b65df9aee22e28a56

=== Operating System ===

Mac OS X 10.10.3
Darwin Codys-MBP.router 14.3.0 Darwin Kernel Version 14.3.0
    Mon Mar 23 11:59:05 PDT 2015
    root:xnu-2782.20.48~5/RELEASE_X86_64 x86_64
Comment 1 Cody Beyer (MSFT) 2015-05-15 13:38:44 UTC
Confirmed with test case as described
Comment 2 Udham Singh 2015-06-08 13:33:47 UTC
I have checked this issue with the help of steps given in bug description and able to reproduce the reported behaviour.

Screencast : http://www.screencast.com/t/xo5AYNAywFB
Simulator Log : https://gist.github.com/Udham1/354462b117035308a307
Application Output : https://gist.github.com/Udham1/20a96582c260388d99c8
Build Output : https://gist.github.com/Udham1/cf846e2fb9574e951da7
Ide Log : https://gist.github.com/Udham1/376016837f629c70d570

Environment Info : 

Xamarin.Forms 1.4.3.6358-pre2

=== Xamarin Studio ===

Version 5.9.4 (build 3)
Installation UUID: ce927b2a-2c07-44c5-b186-09cfdafba6dc
Runtime:
	Mono 4.0.2 ((detached/198235d)
	GTK+ 2.24.23 (Raleigh theme)

	Package version: 400020004

=== Apple Developer Tools ===

Xcode 6.2 (6776)
Build 6C131e

=== Xamarin.iOS ===

Version: 8.10.2.16 (Enterprise Edition)
Hash: b2ebbc0
Branch: master
Build date: 2015-06-06 01:13:21-0400

=== Build Information ===

Release ID: 509040003
Git revision: 71a8c576686882a0ad224f735d9f04a6c08119c8
Build date: 2015-06-04 02:45:11-04
Xamarin addins: 456e0954631a1a80bc90389e99c6d16cd8f09ad3

=== Operating System ===

Mac OS X 10.9.5
Darwin Xamarin76s-Mac-mini.local 13.4.0 Darwin Kernel Version 13.4.0
    Sun Aug 17 19:50:11 PDT 2014
    root:xnu-2422.115.4~1/RELEASE_X86_64 x86_64
Comment 4 Paul DiPietro [MSFT] 2017-10-17 02:38:24 UTC
We will assume this is no longer an issue. This issue can be reopened with a reproduction if it still occurs as of the latest 2.4.0 stable build.