Re: [android-developers] Re: how to display a Toast from an IntentService?

If it helps here is a link to the source code of the nifty "IntentService"

http://www.netmite.com/android/mydroid/1.6/frameworks/base/core/java/android/app/IntentService.java

Satya

On Fri, Jun 11, 2010 at 2:01 PM, Satya Komatineni
<satya.komatineni@gmail.com> wrote:
> May be this will work:
>
> MyService extends IntentService
> {
>      Handler  mMainThreadHandler = null;
>     onCreate() {
>                super.onCreate();
>                //initialize and populate the mMainThreadHandler
>               //because this method runs on the main thread
>               //unlike the deriver handle...method
>      }
>      onHandleIntent() {
>             //this runs on its own thread
>             //do your work
>             //post a message to mMainThreadHandler
>      }
>     ....
>       //in that handle of the mMainThreadHandler
>      {
>               show the toast as this runs on the main thread now
>      }
> }
>
> I am a bit guessing here.
>
> Satya
>
> On Fri, Jun 11, 2010 at 1:46 PM, Dianne Hackborn <hackbod@android.com> wrote:
>> Oh for doing it from the callback from IntentService, you need to do it from
>> a thread that is actually running a responsive looper (which by definition
>> IntentService does not, since the thread it is calling you on is there to
>> run long-running operations).
>> So schedule a message in a Handler of the main thread, and show it there.
>>  Basically the same as any time you want to touch other parts of your UI.
>>
>> On Fri, Jun 11, 2010 at 10:42 AM, Flying Coder <av8r.steve@gmail.com> wrote:
>>>
>>> Hi Mark,
>>>    Thanks for the suggestion, but unfortunately, SystemClock.sleep()
>>> doesn't do the trick. :-(
>>>
>>> Cheers,
>>> Steve
>>>
>>>
>>> On Jun 11, 1:22 pm, Mark Murphy <mmur...@commonsware.com> wrote:
>>> > Flying Coder wrote:
>>> > > So, I have an IntentService that handles button callbacks from a
>>> > > widget.  When the user presses a certain button, I want to display a
>>> > > Toast.  I return from onHandleIntent almost immediately after doing
>>> > > Toast.show(), which in turn stops the service and kills its thread,
>>> > > which keeps the Toast from actually being displayed.
>>> >
>>> > That's interesting. I've never tried that pattern. I'm a bit surprised
>>> > that the Toast doesn't fire.
>>> >
>>> > > Can anyone suggest an easy way to get the Toast (or something similar)
>>> > > to display from an IntentService?
>>> >
>>> > Have you tried SystemClock.sleep()? It's a serious kludge, but I don't
>>> > know what else you can do.
>>> >
>>> > --
>>> > Mark Murphy (a Commons
>>> > Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy
>>> >
>>> > Android Consulting:http://commonsware.com/consulting
>>>
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>>
>>
>>
>> --
>> Dianne Hackborn
>> Android framework engineer
>> hackbod@android.com
>>
>> Note: please don't send private questions to me, as I don't have time to
>> provide private support, and so won't reply to such e-mails.  All such
>> questions should be posted on public forums, where I and others can see and
>> answer them.
>>
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