Android services

http://mindtherobot.com/blog/37/android-architecture-tutorial-developing-an-app-with-a-background-service-using-ipc/
http://www.helloandroid.com/tutorials/musicdroid-audio-player-part-ii
http://marakana.com/forums/android/examples/60.html
http://www.androidcompetencycenter.com/2009/01/basics-of-android-part-iii-android-services/


http://blog.pocketjourney.com/2008/04/04/tutorial-custom-media-streaming-for-androids-mediaplayer/