Performance and usability are critical to successful mobile apps; this webinar will show you how to improve both when creating a location-based application for Series 40 phones. The webinar will detail techniques and architectural choices you can use to minimise the latency of your application when combining the Nokia Maps API for Java™ ME with other web services. Understand the correct use of the API, and the pitfalls to avoid, through an examination of real-world examples of web services providing KML and JSON feeds. Also included will be an in-depth discussion of how to use custom overlays to increase the complexity of information displayed without compromising usability.

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