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Problem with <AndroidEnablePreloadAssemblies>False</AndroidEnablePreloadAssemblies>

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146925 Aug 26,2019 09:07 AM UTC Aug 29,2019 12:33 PM UTC Xamarin.Forms 5
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Tags: General
Radoslaw Kubas
Asked On August 26, 2019 09:10 AM UTC

Hello,
I noticed that when build options on Android are stetted to

<AndroidEnablePreloadAssemblies>False</AndroidEnablePreloadAssemblies>>

some controls doesn't render, for sure there is a problem with
  • SfAutoComplete
  • SfTextInputLayout
I found some work around. Initialisation helps in OnCreate

global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
new Syncfusion.XForms.Android.TextInputLayout.SfTextInputLayoutRenderer(this);
new Syncfusion.SfAutoComplete.XForms.Droid.SfAutoCompleteRenderer();
LoadApplication(new App());

but it would be nice to have inside solution in coming releases.
Regards,
Radek

Radoslaw Kubas
Replied On August 26, 2019 10:32 AM UTC

Hello again,

So there is one more problem, I can't find work around, please help! :)

In same situation there is a problem with
  • SfListView
It seems to work correctly, but when assembles are not preloaded Swipe not working (I guess maybe some other functionalities also, but I noticed this one).

Could you help me how to force initialisation without preloading all assemblies?

Regards,
Radek




Radoslaw Kubas
Replied On August 26, 2019 10:42 AM UTC

OK, I found answer myself fro the last question

new Syncfusion.ListView.XForms.Android.ListViewItemRenderer(this);

seems to work fine.

Rachel A [Syncfusion]
Replied On August 29, 2019 10:55 AM UTC

Hi Radoslaw, 
 
When you set AndroidEnablePreloadAssemblies to false, assemblies will only be loaded whenever any code inside the assembly is called. In this case, our controls which depend on custom renderer will not work. Because, all the renderers will be loaded using reflection APIs in Xamarin.Forms framework. So, when the framework tries to create associated renderer objects, it won't be created as the assemblies are not preloaded.  
 
We recommend you to call Init method of our renderer classes to solve this issue. For the renderers which don't have Init method, you can create a dummy instance of the renderer. 
 
Thanks, 
Rachel. 


Radoslaw Kubas
Replied On August 29, 2019 12:29 PM UTC

Hello,

Thank you very much for explanation and confirmation that my solution was correct.

Best regards,
Radek

Rachel A [Syncfusion]
Replied On August 29, 2019 12:33 PM UTC

Hi Radoslaw, 
 
Thanks for the update. 
 
Please let us know if you need any further assistance. 
 
Thanks, 
Rachel. 


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