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Java Platform Micro Edition Software Development Kit Version 3.0

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Getting Started

Java ME Platform SDK Features

Using Sample Projects

Creating and Editing Projects

Viewing and Editing Project Properties

Running Projects in the Emulator

Searching the WURFL Device Database

Finding Files in the Multiple User Environment

Profiling Applications

Monitoring Network Traffic

Lightweight UI Toolkit

Security and MIDlet Signing

BD-J Support

CLDC Emulation on a Windows Mobile Device

Installing CLDC Emulation on a Windows Mobile Emulator

On-device Debugging

Command Line Reference


JSR Support

JSR 75: PDA Optional Packages

FileConnection API


Running PDAPDemo

Browsing Files


JSR 82: Bluetooth and OBEX Support

JSR 135: Mobile Media API Support

JSR 172: Web Services Support

JSR 177: Smart Card Security (SATSA)

JSR 179: Location API Support

JSRs 184, 226, and 239: Graphics Capabilities

JSR 205: Wireless Messaging API (WMA) Support

JSR 211: Content Handler API (CHAPI)

JSR 238: Mobile Internationalization API (MIA)

JSR 229: Payment API Support

JSR 256: Mobile Sensor API Support



The Java ME Platform SDK emulator stores contact, calendar, and to-do information in standard files on your desktop computer’s hard disk. All information is stored in:


This directory is shared by all running emulators. Lists are stored in subdirectories of the contacts, events, and todo directories. For example, a contact list called Contacts is contained in USER_HOME/javame-sdk/3.0/work/emulator-instance/appdb/filesystem/skin/Contacts:

Inside the list directory, items are stored in vCard (.vcs) or vCalendar (.vcf) format (see http://www.imc.org/pdi/). Contacts are stored in vCard format, while calendar and to-do items are both stored in vCalendar format.