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I have an application for android 4.0(android:minSdkVersion=”14″) with lots of SQLite tables that needs to download(not delete or send) new data from my server. At the moment the user has a sync button, however i would like to implement something that would synchronize automatically when 3G/Wifi is on and every 1-2 hour.
What pattern or best practice should i use? an Alarm thing, or a local service, or a remote service, or something else?
I would recommend you read Chapter 19 of Android Pro 4( http://my.safaribooksonline.com/book/programming/android/9781430239307/chapter-19-broadcast-receivers-and-long-running-services/navpoint-164 ) and then use the already ready source code from here http://www.androidbook.com/akc/filestorage/satya/documentfiles/3810/ProAndroid4_Ch19_TestReceivers.zip
I did this by using Alarm + ALongRunningReceiver(=Broadcast Receiver) + ALongRunningNonStickyBroadcastService(Local Service) + LightedGreenRoom(Handles CPU partial_wake so it doesn’t fall asleep).