Thanks for the response Dianne, I still live in the cotton wool word of
University where third parties are friendly types.
Understood, I did some more searching and found another thread in which you
contributed regarding this topic;

http://groups.google.com/group/android-developers/browse_thread/thread/7ee9248deeacd556/b116df9cffe4e045?lnk=gst&r#b116df9cffe4e045

In case anyone else is on this trail.

I will also reply to your message there as I need a little
further clarification on the options available for a plugin style
architecture.

Kind regards,

Gavin

On Mon, Feb 9, 2009 at 8:03 PM, Dianne Hackborn <[email protected]> wrote:

> Sorry, this is not currently supported.
>
> And you really really wouldn't want to do this, because it would allow any
> other app installed on the device to take over your own and use any of its
> permissions for malicious purposes under the guise of being you.
>
> On Mon, Feb 9, 2009 at 5:09 AM, Gav <[email protected]> wrote:
>
>>
>> Hey!
>>
>> BACKGROUND
>>
>> I would like my users to develop their own routines for image
>> manipulation. Lets presume that a third party has written a class
>> which implements one of my interfaces;
>>
>> public abstract class PixelBinaryFilter extends BinaryFilter{
>>                 ...
>>        protected abstract int generatePixel(int p1, int p2);
>>                 ...
>> }
>>
>> And hence has a class with one method defined, which could multiply
>> pixel values together, subtract them find their lowest common multiple
>> basically any routine they can think of.
>>
>> This class would be complied and then converted to DEX using the dx
>> tool.
>>
>> The third party would then download the .dex file to their phones
>> SDCARD, probably via my application using a 'Get New Routines' request
>> which takes the URL of the file.
>>
>> QUESTION
>>
>> If I have a .dex file on the SDCARD how can I load it at runtime? The
>> class name and path would be known.
>>
>> I have been using the Class.forName command for the standard routines
>> but I don't know how (if) this will work with classes outside of the
>> application.
>>
>> Many thanks,
>>
>> Gavin
>>
>>
>>
>
>
> --
> Dianne Hackborn
> Android framework engineer
> [email protected]
>
> Note: please don't send private questions to me, as I don't have time to
> provide private support.  All such questions should be posted on public
> forums, where I and others can see and answer them.
>
>
>
> >
>

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