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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

Running a Project


Sample Project Overview

Configuring the Web Browser and Proxy Settings

Resolving Reference Problems

Running MIDP and CLDC Sample Projects

Running the Demos Sample Project






Add Stock Symbols to the Ticker

Change the Update Interval

Remove a Stock

Stock Tracker

What If?









Running FPDemo

Running Games

Running Network Demo

Socket Demo

Datagram Demo

Running PhotoAlbum

Running UIDemo

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

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


Running UIDemo

UIDemo showcases a variety of MIDP user interface element implementations. Most elements have some interactive capability (navigate and select) and some allow keypad or keyboard input.

Input interaction is similar across demos. You can choose items from lists or type in data.

This demo implements three list selection methods:

When entering data, you can use the soft menu to apply one of the following input types to text boxes and fields (note, some elements do not use all input types). When a field is selected, the soft Menu label displays Qwerty. Open the menu and you see the input types numbered 1 through 5.

  1. Qwerty. Any character on the keyboard

  2. 123. Any numeral

  3. ABC. Any letter

  4. Predict. Predicts next character based on prior input

  5. Symbols. Any symbol

With the exception of Predict, these categories act as filters. For example, if you assign 123 to a field and you type “abc”, nothing is entered in the field.

CustomItem. This demo features text fields, and text fields in table form. To type in the table, select a cell, then click to open a text entry panel and type your input. From the menu, select OK.

StringItem. Displays labels, a hyperlink, and a button. The soft menu action varies depending on the selected element.

Gauge. Interactive, non-interactive, indefinite and incremental gauges.

Alert. Uses pop-ups to display alerts. Set the alarm type and the length of the timeout from drop lists. Select the alert type and select the Show soft button.

ChoiceGroup. Radio buttons, check boxes, and pop-ups on one screen.

List. Select exclusive, implicit, or multiple to display the list type on a subsequent screen.

TextBox. Use text fields, radio buttons, check boxes, and pop-ups. Select a text box type and press the Show button.

TextField. Text fields with the five input types

DateField. Set date and time using drop lists.

Ticker. A scrolling ticker.