24 lcdui, Lcdui api – Motorola HANDSET C381P User Manual

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LCDUI

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24

LCDUI

LCDUI API

The Table 21 lists the specific interfaces supported by Motorola implementation:

Interface

Description

Choice

Choice defines an API for user interface components implementing
selection from a predefined number of choices.

CommandListener

This interface is used by applications which need to receive high-level
events from implementation

ItemCommandListener

A listener type for receiving notification of commands that have been
invoked on Item

286

objects

ItemStateListener

This interface is used by applications which need to receive events that
indicate changes in the internal state of the interactive items within a
Form

231

screen.

Table 21 Interfaces supported by Motorola implementation


The Table 22 lists the specific classes supported by Motorola implementation:

Classes

Description

Alert

An alert is a screen that shows data to the user and waits for a certain
period of time before proceeding to the next Displayable.

AlertType

The AlertType provides an indication of the nature of alerts.

Canvas

The Canvas class is a base class for writing applications that need to
handle low-level events and to issue graphics calls for drawing to the
display.

ChoiceGroup

A ChoiceGroup is a group of selectable elements intended to be
placed within a Form.

Command

The Command class is a construct that encapsulates the semantic
information of an action.

CustomItem

A CustemItem is customizable by sub classing to introduce new

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