Bug 44152 - Lost Event Trigger Footprint
Summary: Lost Event Trigger Footprint
Alias: None
Product: Forms
Classification: Xamarin
Component: Forms ()
Version: 2.3.1
Hardware: Other Other
: --- normal
Target Milestone: ---
Assignee: Bugzilla
Depends on:
Reported: 2016-09-09 18:19 UTC by mwg@thoughts.net
Modified: 2016-10-06 02:21 UTC (History)
3 users (show)

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

Test Procedure (317.98 KB, application/zip)
2016-09-26 14:02 UTC, mwg@thoughts.net

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Description mwg@thoughts.net 2016-09-09 18:19:02 UTC
I have a single cross platform XF view with a 9 row x 1 column grid. The planned user experience is have the user respond to a top - down query, one row appearing at a time, the content driven by the previous rows' input. The input controls per row vary. The first row is a single row grid of buttons. The second row is a list view in a grid. The third and forth row is again buttons; however, the forth row is either a single row grid or a three row grid of buttons based on the selection in the third row.

On WinPhone 8.1 and Droid, things are fine through out the 9 nine row sequence. However on iOS, the buttons on the forth row don't work; the "Clicked" event is not firing. The first row buttons fire and make the second row visible. The second row list view gets its event and makes the third row visible. Similarly, the third row buttons makes the forth row appear. When the forth row appears with a single row sub-grid things are OK; however if the three row grid is displayed the buttons are non-responsive.

I had some issues earlier which forced me to move the setting of "Clicked" attribute from the XAML to code immediately before making visible to resolve issues with the single rows. That didn't solve this scenario.
Comment 1 Paul DiPietro [MSFT] 2016-09-12 15:51:50 UTC
Could you attach a reproduction?
Comment 2 mwg@thoughts.net 2016-09-13 02:18:41 UTC
Please clarify what you mean by a reproduction?
Comment 3 Paul DiPietro [MSFT] 2016-09-13 02:41:00 UTC
A runnable project/sample app with code displaying the issue.
Comment 4 mwg@thoughts.net 2016-09-26 14:02:05 UTC
Created attachment 17746 [details]
Test Procedure
Comment 5 mwg@thoughts.net 2016-09-26 14:44:50 UTC
Please use this link to download the code sample demonstrating the issue: 


Feel free to contact me as needed: 443-562-6482
Comment 6 mwg@thoughts.net 2016-09-29 02:09:01 UTC
Code available with test procedure.