RadAsyncUpload On Mobile phone (Galaxy SII)

[Sebastien]

Hi, i am currently creating a file upload section on a web page that can be view on every type of device (Computer, Tablets and mobile phone). When i test the file upload section on a standard computer everything works perfectly. When i test it on mobile phone (I'm using Samsung Galaxy S2 with all the latest update) i have access to the files on my phone. I can select one and it seems to upload perfectly ( I got the green dot ) but in fact the file created in the template directory of the control ( app_date\RadUploadTemp ) has a size of 0 bytes. So when i press my submit button the file copied in my working directory is invalid and cannot be read. You can test it yourself on your demo page.
http://demos.telerik.com/aspnet-ajax/asyncupload/examples/additionalfields/defaultcs.aspx

When i upload a file on this page, the file size is always 0...

Is it a known issue ? a mobile browser limitation ? or what ever the explanation...

Can you help me on that ? or do you know an alternative solution for mobile browser ?

Thanks !

Sébastien

[Plamen]

Hello,

 

Thank you for contacting us again. 

This is a known issue that seems to come from the Android's browser itself. We found that problem logged in their tracking system - 1 and 2. In order to workaround that problem please add the following lines of code before the declaration of the RadAsyncUpload. Disabling - FileApi, Silverlight and Flash modules the control will upload the selected files at once (not on chunks). 

<script type="text/javascript">

    Telerik.Web.UI.RadAsyncUpload.Modules.Flash.isAvailable = function () { return false; };
    Telerik.Web.UI.RadAsyncUpload.Modules.FileApi.isAvailable = function() {return false; };
    Telerik.Web.UI.RadAsyncUpload.Modules.Silverlight.isAvailable = function() {return false; };
 </script>

Greetings,
Plamen
the Telerik team

[Sebastien]

Thanks for your response ! It works perfectly.

I've put your code in my user control with a condition ( kind of if (android))

I guess i have to wait for an update from Android to fix that correctly.

Thanks again !

[Marc]

Hi, I have the same exact problem with my Android phone but I can't make it work. I put the lines in the head of my file with my other javascript code. I use alert("TEST") to make sure the code has been executed but my file is always 0kb.

Galaxy Nexus Phone v4.1.2
Telerik Q1 2013

[Marc]

I finally make it work ;-)

I had to put the lines just before the declaration of the RadAsyncUpload control. If I put them in the head section then it not works.