...Melanie pulls out her Java-enabled phone and starts up her friend finder application. The application detects that Marcia and Bill are in the same area. Melanie sends them each text message asking if they want to meet for coffee. They end up getting together for a cappuccino and having a lot of fun.

These types of innovative location-aware applications are available today. They are simple to use but extremely complex to implement. There are many considerations, including privacy, security, handset features, network capabilities, and coverage. Standards help to facilitate these applications by providing well-known contracts for functionality and service. This article will explore the use of Java Location API--JSR 179--when it becomes part of the available packages for developers.

Location Determination

Determining the coordinates of a subscriber is dependent on an underlying technology known as Position...

NOTE: All illustrations and photos have been removed from this article.



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