Wireless Tech Tips

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Wireless Tech Tips is an electronic mailing sent to registered site members. Each mailing contains tips, techniques, and sample code on various topics of interest to developers using the Java programming language in Java 2 Platform, Micro Edition (J2ME).

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Read archived editions from the complete listing of previous issues below, or download recent tips as text files, either individually or in one .zip file.

(Wireless Tech Tips prior to March 25, 2002 were called JDC J2ME TechTips)

2002

March 25, 2002

Simple Store-and-Forward Messaging for MIDP Applications and Compressing XML For Faster Wireless Networking

February 26, 2002

Optimizing J2ME Application Size and Object Serialization in CLDC-Based Profiles

January 31, 2002

Maintaining Client State Across HTTP Requests and Using Fixed Point Arithmetic in the Connected Limited Device Configuration

2001

December 17, 2001

Data Encryption for J2ME Profiles and Validating Input Using the ItemStateListener Interface

November 14, 2001

Dealing With Dates and Times in MIDP Applications and Developing Custom Components for the Mobile Information Device Profile

October 15, 2001

Using Passwords to Protect Your MIDlets and Adapting Images for MIDP Devices

September 17, 2001

Making HTTP Connections Using Background Threads and Using MIDP Gauges

August 20, 2001

Building Splash Screens for MIDlets and Client-Server Communication over HTTP using MIDP and Servlets

July 25, 2001

Drawing Flicker-Free Graphics with the MIDP and Parsing XML in CLDC-based Profiles

June 22, 2001

Using the MIDP List Component and Enumerating, Filtering, and Sorting MIDP Record Stores

May 29, 2001

The Connected Device Configuration and the Foundation Profile and Handling Multiple Simultaneous MIDP Alerts

April 16, 2001

Using Timers and An Introduction to the High-Level User Interface API: Alerts and Tickers

March 19, 2001

Using Record Stores Efficiently and Using the MIDP Low-Level User Interface API

February 20, 2001

Making Connections With the CLDC and Record Management System Basics

January 29, 2001

Writing World-Aware J2ME Applications and Dealing With Missing J2SE Classes

2000

December 18, 2000

The J2ME Development Cycle and Making HTTP Connections with MIDP