Usually you use a service to coordinate a thread.

FYI most of the time you don't want to outright kill a thread (e.g., if
it's about to return from a download operation), you want to periodically
check a flag.

You probably don't want to use threads in their raw fashion (from
activities) for a few reasons, one of which being that with configuration
changes they're trickier to get right.  Instead if you need background work
that fits the model, an AsyncTask is an appropriate design.

Kris


On Thu, Aug 8, 2013 at 7:40 AM, ashish <ashish.a...@gmail.com> wrote:

> I read about services in Android very carefully, but I didn't find any
> valid reasons to use it. E.g.
>
>    1.
>
>    By default services run in the main thread, which most of the
>    applications don't want.
>    2.
>
>    A service can run on a seperate thread if it spawns it own thread. But
>    if a service runs on a seprate thread, then the method stopService(new
>    Intent(getApplicationContext(), MyService.class)); does not stop the
>    running service. Again this is a problem.
>
> If we want to do some background operations, then I think threads are
> better than services. Am I right?
>
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