How to force quit a Thread - Android Developers

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Message from discussion How to force quit a Thread
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Date: Tue, 1 May 2012 16:07:53 +0200
Message-ID: <CAOZZtKSJg86_ZBB2gbhjZKpM=Z0_PFTNHu6E5ATsJLPFktn...@mail.gmail.com>
Subject: Re: [android-developers] How to force quit a Thread
From: Kamran Shamim <krsha...@gmail.com>
To: android-developers@googlegroups.com
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Kris,
Quite agree. In terms of the service, let's say that at this point it is
not necessary (he GC issue is just a personal thing I have of tidying up
behind me ASAP and making sue that it is done).
For now, I will leave the AsyncTask as my preferred solution for Matt - as
you say the requirements of the thread seem quite simple at this stage.
@Matt, does this help? I would like to read developments.

Kamran

On 1 May 2012 15:59, Kristopher Micinski <krismicin...@gmail.com> wrote:

> On Tue, May 1, 2012 at 4:12 AM, Kamran Shamim <krsha...@gmail.com> wrote:
> > Quite right, Kristopher. I think that it all depends on what Matt would
> like
> > to do.
> > I think that the AsyncTask would do what he wants, but added
> functionality
> > (and therefore perhaps complexity) could be available by using an
> > IntentService, which is a service that automatically runs a worker
> thread as
> > well (pretty simple to implement). I like this as I can bind from
> different
> > activities, if I have to, and if the killing of the thread causes
> problems
> > (which should not happen with the AsyncTask), then at least I can
> "divorce"
> > the service (and therefore the thread) from the activity and UI thread,
> and
> > let the service deal with stopping the thread (which will probably
> cascade
> > from unbinding the service).
>
> If he's just posting stuff to the screen after doing some processing,
> then I don't see any reason why you'd want the extra complication of
> an IntentService.. He didn't mention anything about binding from
> different activities, etc.., so I'm not really sure why there would be
> a win here?
>
> >  I am not sure of the risk of delayed garbage collection, but I would
> tend
> > to trust the DVM to deal with this gracefully and punctually - worth an
> > implementation and then testing if we want room for added functionality
> > compared to a service-less thread.
> >
>
> It's not garbage collection you have to worry about per se, it's just
> that starting a service sets up a whole new component that also lives
> in your app, which can be a bit of a memory bear too (though for small
> apps, such as the one the OP is probably writing, it just probably
> isn't worth worrying too much about).  Garbage collection and the
> processs lifecycle are somewhat related, though in this case GC is not
> what's holding it back, it's the semantics of the process lifecycle
> for services, (which at some point involves something being garbage
> collected, of course..)
>
> kris
>
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--=20
Kamran R. Shamim
26 rue Tonduti de l'Escar=E8ne
06000 Nice
FRANCE

+33 6 7086 2485
+33 4 9304 5857

<http://fr.linkedin.com/in/krshamim>

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Kris,<div>Quite agree. In terms of the service, let&#39;s say that at this =
point it is not necessary (he GC issue is just a personal thing I have of t=
idying up behind me ASAP and making sue that it is done).</div><div>For now=
, I will leave the AsyncTask as my preferred solution for Matt - as you say=
 the requirements of the thread seem quite simple at this stage.</div>
<div>@Matt, does this help? I would like to read developments.</div><div><b=
r></div><div>Kamran<br><br><div class=3D"gmail_quote">On 1 May 2012 15:59, =
Kristopher Micinski <span dir=3D"ltr">&lt;<a href=3D"mailto:krismicinski@gm=
ail.com" target=3D"_blank">krismicin...@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div class=3D"im">On Tue, May 1, 2012 at 4:1=
2 AM, Kamran Shamim &lt;<a href=3D"mailto:krsha...@gmail.com">krshamim@gmai=
l.com</a>&gt; wrote:<br>

&gt; Quite right, Kristopher. I think that it all depends on what Matt woul=
d like<br>
&gt; to do.<br>
&gt; I think that the AsyncTask would do what he wants, but added functiona=
lity<br>
&gt; (and therefore perhaps complexity) could be available by using an<br>
&gt; IntentService, which is a service that automatically runs a worker thr=
ead as<br>
&gt; well (pretty simple to implement). I like this as I can bind from diff=
erent<br>
&gt; activities, if I have to, and if the killing of the thread causes prob=
lems<br>
&gt; (which should not happen with the AsyncTask), then at least I can &quo=
t;divorce&quot;<br>
&gt; the service (and therefore the thread) from the activity and UI thread=
, and<br>
&gt; let the service deal with stopping the thread (which will probably cas=
cade<br>
&gt; from unbinding the service).<br>
<br>
</div>If he&#39;s just posting stuff to the screen after doing some process=
ing,<br>
then I don&#39;t see any reason why you&#39;d want the extra complication o=
f<br>
an IntentService.. He didn&#39;t mention anything about binding from<br>
different activities, etc.., so I&#39;m not really sure why there would be<=
br>
a win here?<br>
<div class=3D"im"><br>
&gt; =A0I am not sure of the risk of delayed garbage collection, but I woul=
d tend<br>
&gt; to trust the DVM to deal with this gracefully and punctually - worth a=
n<br>
&gt; implementation and then testing if we want room for added functionalit=
y<br>
&gt; compared to a service-less thread.<br>
&gt;<br>
<br>
</div>It&#39;s not garbage collection you have to worry about per se, it&#3=
9;s just<br>
that starting a service sets up a whole new component that also lives<br>
in your app, which can be a bit of a memory bear too (though for small<br>
apps, such as the one the OP is probably writing, it just probably<br>
isn&#39;t worth worrying too much about). =A0Garbage collection and the<br>
processs lifecycle are somewhat related, though in this case GC is not<br>
what&#39;s holding it back, it&#39;s the semantics of the process lifecycle=
<br>
for services, (which at some point involves something being garbage<br>
collected, of course..)<br>
<br>
kris<br>
<div class=3D"HOEnZb"><div class=3D"h5"><br>
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/div></div></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><=
div><span style=3D"font-size:x-small"><font color=3D"#6666CC">Kamran R. Sha=
mim</font></span></div>
<div><span style=3D"font-size:x-small"><font color=3D"#6666CC">26 rue Tondu=
ti de l&#39;Escar=E8ne</font></span></div><div><span style=3D"font-size:x-s=
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e=3D"font-size:x-small"><font color=3D"#6666CC">FRANCE</font></span></div>
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