Monday Sep 28, 2009

Simple Strategy for Logging and Monitoring of MIDlets

On-device debugging isn't useful when your MIDlet is running on a client's phone. This tech tip presents one approach to developers who want a fast and simple way to debug their apps remotely in real environments.

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Wednesday Apr 22, 2009

Using the Location API for Favorite Spots

This tech tip shows you how to get started using the Location API (JSR 179), and how to build a small location-aware application that you can use to tag your favorite spots.[Read More]

Monday Nov 03, 2008

Report from Africa: A Java ME MIDlet for User-Generated Localization

In this article, the authors describe the process of developing a user-generated localization MIDlet for an application that connects people to community radio stations -- important purveyors of information in technology-challenged Africa.

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Friday Nov 30, 2007

Java ME Technology Overview

C. Enrique Ortiz walks you through the world of mobile Java technology, including configurations, profiles, and Java Technologies for handsets, smart cards, and embedded devices.

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Monday Oct 08, 2007

Externalizing Resources - Persisting Images in RMS

In this tech tip, C. Enrique Ortiz describes how to save bandwidth by implementing a local cache -- using an RMS (Record Management System) -- for images. This also reduces MIDlet download size.[Read More]

Obfuscating Your MIDlet Suite

This tech tip from C. Enrique Ortiz illustrates obfuscation tools to reduce MIDlet suite size to save Over-the-Air (OTA) size and time. It includes examples with both Sun Java Wireless Toolkit and Ant scripts.[Read More]

Accessing a Resource over HTTP

This technical tip from C. Enrique Ortiz introduces a Java helper class, NetworkUtils, that defines a number of HTTP constants and a helper method that uses an HttpConnection to connect to a server over HTTP, get a resource, and return it as a DataInputStream.[Read More]
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Tips for developers who use Java technologies (Java SE, Java ME, JavaFX) for mobile and embedded devices.

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