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SFListview Is IsScrollingEnabled="False" crashing on Andriod <6.1 nested SFListview

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149369 Nov 23,2019 02:38 AM UTC Nov 27,2019 12:34 PM UTC Xamarin.Forms 3
Tags: SfListView
Asked On November 23, 2019 02:38 AM UTC

I noticed that for nested SFListview, if you set IsScrollingEnabled="False" it will crash the app when that view is loaded. I was able to replicate this issue for Andriod 6.1 and lower. It seems to be working as expected on higher versions. I currently have my SFListview nested inside a scrollview

Replied On November 23, 2019 04:07 AM UTC

After playing with it a little, i was able to fix the issue by dynamically changing the property of IsScrollingEnabled with a bindable bool.. Like this:  IsScrollingEnabled="{Binding IsScrollingEnabledCustom, Source={x:Static ctrls:GlobalResources.ControlProperty}}"

Then i was able check on property change of my listview.itemsource, if count > 0 then i set IsScrollingEnabledCustom =true. The issue will only happen when listview itemsource count is 0.

I think this might be an issue for Andriod <6.1 even if the listview is not nested(i didn't test this on not nested listview but am pretty sure it will occur as well).

I know this is Low priority, but can it be fixed please?

Gnana Priya Namasivayam [Syncfusion]
Replied On November 25, 2019 01:23 PM UTC

Hi Josh, 
Thank you for using Syncusion products. 
We are currently validating the reported query ”App crash when IsScrollingEnabled as False while initializing in all android version below 6.5” from our side. We will validate completely and provide you further details on or before November 27,2019.We will appreciate your patience until then. 
Gnana Priya N 

Gokul Saravanan [Syncfusion]
Replied On November 27, 2019 12:34 PM UTC

Hi Josh, 
Thank you for your patience. 
We have checked the reported issue “Application crashed when IsScrollingEnabled is set to false, with nested listview in Android version < 6.1” and we unable to replicate the issue from our end. We have prepared based on your scenario and checked, it is working fine as expected from our end. We have attached the sample for your reference, 
We have tested with Syncfusion update version and Xamarin.Forms version in the Moto E (Android version 4.4.4 - API 19)
Please check the sample and let us know if you still facing the same issue? If not, please modify the sample based on your scenario and revert us back with the Device configuration details and ListView related code files. It will be helpful for us to check on it and provide you the solution at the earliest.  
 Gokul Saravanan


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