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Java Forum / General / January 2007

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j2me question, MIDlet app update distribution

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Sid - 17 Dec 2006 21:55 GMT
Hi,

I've been doing a bit of j2me in the last few weeks. One thing I still
haven't figured out is, let say I have an app that is used by many
people. Then one day I want to release an update to that app. How do I
go about it? At the moment, the only way I can think of is by telling
those people that there's a newer version of the app and that they'd
need to remove their existing app, and install the newer app.

My question is: is it possible to distribute the update this way:
1. Tell users that there's a newer version of the app.
2. Users can then just go to their existing app, select 'update', then
a patch is downloaded from a central server (a web server), then the
patch will be ran and update the app

Anyone know if this is possible with j2me?
David N. Welton - 17 Dec 2006 22:22 GMT
> My question is: is it possible to distribute the update this way:
> 1. Tell users that there's a newer version of the app.
[quoted text clipped - 3 lines]
>
> Anyone know if this is possible with j2me?

If you use Hecl, you could do that, by scripting portions of your
application:

http://www.hecl.org

I don't think it's possible with normal j2me though.

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David N. Welton
- http://www.dedasys.com/davidw/

Linux, Open Source Consulting
- http://www.dedasys.com/

Alex Hunsley - 18 Dec 2006 01:59 GMT
> Hi,
>
[quoted text clipped - 12 lines]
>
> Anyone know if this is possible with j2me?

Nope, not possible I'm afraid. Certain platform specifics may exist to
aid with this, but purely with J2ME: not a hope.
lex
news.isd.dp.ua - 18 Dec 2006 06:10 GMT
> Hi,
>
[quoted text clipped - 12 lines]
>
> Anyone know if this is possible with j2me?

You can use MIDlet.platformRequest. Just point it to link with newer
version of application.
Alex Hunsley - 18 Dec 2006 13:05 GMT
>> Hi,
>>
[quoted text clipped - 15 lines]
> You can use MIDlet.platformRequest. Just point it to link with newer
> version of application.

This will only work for MIDP2 phones btw... platformRequest isn't
supported in MIDP1.
Sid - 22 Jan 2007 21:35 GMT
Thank you, I think this could be what I was looking for!

> You can use MIDlet.platformRequest. Just point it to link with newer
> version of application.


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