Motorola C381P 用户手册
24
LCDUI
LCDUI
96
visual and interactive elements into Forms.
DateField
A DateField is an editable component for presenting date and time
(calendar) information that will be placed into a Form.
(calendar) information that will be placed into a Form.
Display
Display
represents the manager of the display and input devices of
the system.
Displayable
An object that has the capability of being placed on the display.
Font
The Font class represents fonts and font metrics.
Form
A Form is a Screen that contains an arbitrary mixture of items:
images, read-only text fields, editable text fields, editable date fields,
gauges, choice groups, and custom items.
images, read-only text fields, editable text fields, editable date fields,
gauges, choice groups, and custom items.
Gauge
Implements a graphical display, such as a bar graph of an integer value.
Graphics
Provides simple 2D geometric rendering capability.
Image
The Image class is used to hold graphical image data.
ImageItem
An item that can contain an image.
Item
A superclass for components that car be added to a Form
231
.
List
A Screen containing a list of choices.
Screen
The common superclass of all high-level user interface classes.
Spacer
A blank, non-interactive item that has a settable minimum size.
StringItem
An item that can contain a string.
TextBox
The TextBox class is a Screen that allows the user to enter and edit
data.
data.
TextField
A TextField is an editable text component that will be placed into a
Form.
Form.
Ticker
Implements a “ticker-tape”, a piece of text that runs continuously across
the display.
the display.
Table 22 Specific classes supported by Motorola implementation
Refer to Table 23 for LCDUI feature/class support for MIDP 2.0:
Feature/Class
Implementation
All fields, constructors, methods, and inherited methods for the Alert
class in the javax.microedition.lcdui package
class in the javax.microedition.lcdui package
Supported
All fields, constructors, methods, and inherited methods for the
AlertType class in the javax.microedition.lcdui package
AlertType class in the javax.microedition.lcdui package
Supported
Will provide and play an audible sound when the play Sound() method
is called with an AlertType of ALARM
is called with an AlertType of ALARM
Supported
Will provide and play an audible sound when the play Sound() method
is called with an AlertType of ERROR
is called with an AlertType of ERROR
Supported