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The Java location API: where do you like your coffee?

Publication: Wireless Business & Technology
Publication Date: 01-SEP-04 		Format: Online
Delivery: Immediate Online Access
Full Article Title: The Java location API: where do you like your coffee?(Developer)

Article Excerpt
Location-based technologies are coming, but without applications they'll be going nowhere. We take a look at JSR 179, the Java API for location services, and see what it has to offer.

It's Saturday afternoon and Melanie is shopping. She's wondering if any of her friends are in the mall. 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 a 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...

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