I need to check every 15 minutes a feed RSS file in order to update my application's results; I know I have to implement a service, but I was wondering which approach I should use to do this; is it better to implement a timer (http://developerlife.com/tutorials/?p=356) or a thread inside the service (http://www.youtube.com/watch?v=yfWsp9IHX1Y)? I tried the first tutorial but I get the error "Can’t create handler inside thread that has not called Looper prepare in Android"... What should I do? Stay stick with the first method or try the other one?
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You should use a PendingIntent and register it with the AlarmManager to be started 15 minutes in the future. This way your app won't use any ressources until the alarm fires.
You need to use the Intent that starts your Service to create the PendingIntent. After your service finished you need to reregister the PendingIntent for the next execution of your service.
Janusz
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Also good idea, to avoid updates altzogether when device is sleeping. – Konstantin Pribluda Nov 25 '11 at 10:49
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where can I find any example? – user1012480 Nov 25 '11 at 10:49
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It is not very hard. Just understand the documentation and read up on the example and links that you find there and you should be able to understand it. If you started with it and have problems come back to stackoverflow and post another question. – Janusz Nov 25 '11 at 12:29