12. http://www.xebia.com Building Blocks of Application Activity An activity presents a visual user interface for one focused endeavor the user can undertake. Intent An intent is an abstract description of an operation to be performed. It can be used with startActivity to launch an Activity, broadcastIntent to send it to any interested BroadCastReceiver components Services A service doesn't have a visual user interface, but rather runs in the background for an indefinite period of time Content Provider A content provider makes a specific set of the application's data available to other applications.
20. Google groups: For application development: http://groups.google.com/group/android-developers For platform development: http://groups.google.com/group/android-platform IRC: #android on freenode anddev.org is a good source for example and tutorials References
21.
Editor's Notes
Talking about the alliance. The fact that we have hardware manufacturer to
The system runs a scan of all manifest at startup which aims to know what application does what. You should be able to know the business logic of the application just by looking at the manifest.