Re: [android-developers] Communicating with the running Thread after Activity is Restarted/Recreated.

Jacob,

A static member variable, possibly wrapped in a singleton is how you can
get the thread. Otherwise, your activity isn't going to know that the
thread already exists on second (and subsequent) launches. The thread
would set the static to null when it's about to exit.

However, using a simple background thread isn't a very good match for an
Android application. You should consider running your worker thread in a
service, probably IntentService.

-- Kostya

23.03.2011 23:23, Jacob пишет:
> Hi
>
> I have a Activity class, a Thread class. The activity object creates
> the thread object and starts the thread. I can communicate with the
> thread via Handler class. The thread is running and doing some simple
> data fetching thru web.
>
> Question/Issue.
>
> If I press the back button on the Activity dialog, activity is gone;
> the thread is still running and I like it that way. When I restart the
> activity (by clicking on the app icon), how do I restore the
> communication with the running thread?
> I am not comfortable with the 2 solutions I know: 1) I don't want the
> thread class be a singleton. 2) static member variable in activity to
> hold the thread object.
>
> Is there any other cleaner way to do this? I would like the thread
> object be gone once I am done with this thread; making it singleton,
> static, I don't know when it gets destroyed.
>
> Any suggestion is appreciated.
>
> Thank you
> Jacob
>

--
Kostya Vasilyev -- http://kmansoft.wordpress.com

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