Hi, Dianne Hackborn,

Thank you!
In the main activity, I will start a service, so I am calling
startService() in onCreate().
Is that not necessary?



On Apr 21, 11:25 am, Dianne Hackborn <[email protected]> wrote:
> Make sure you aren't calling startActivity() anywhere, such as in
> onCreate().
>
> Look at the log (adb logcat) and event log (adb logcat -b events) to see
> what the system is saying about launching and handling activities.
>
> Please don't use singleTask or singleInstance to fix such problems, they are
> not needed and have other repercussions you probably don't want.
>
>
>
>
>
> On Tue, Apr 20, 2010 at 7:07 PM, Kenneth WON <[email protected]> wrote:
> > Hi, thank you for your help!
> > But I tried to add android:launchMode="singleTask" or
> > android:launchMode="singleInstance" in the <activity> before, but it
> > seems not work.
> > The app still running twice or more at the same time by rotate screen
> > or press return button, and launch the app.
>
> > On Apr 21, 4:38 am, "~ TreKing" <[email protected]> wrote:
> > > On Tue, Apr 20, 2010 at 2:06 AM, Kenneth WON <[email protected]>
> > wrote:
> > > > But my expected result is just have one and only one app A launch.
>
> > >http://developer.android.com/intl/fr/guide/topics/manifest/activity-e...
> > > <http://developer.android.com/intl/fr/guide/topics/manifest/activity-e..
> > .>
>
> > ---------------------------------------------------------------------------
> > ----------------------
> > > TreKing - Chicago transit tracking app for Android-powered deviceshttp://
> > sites.google.com/site/rezmobileapps/treking
>
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> --
> Dianne Hackborn
> Android framework engineer
> [email protected]
>
> 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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