Class Summary |
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 Screen. |
AlertType |
The AlertType provides an indication of the nature of an Alert . |
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. |
DateField |
A DateField is an editable component for presenting date and time
(calendar) information that may 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 , non-editable StringItems ,
editable TextFields , editable
DateFields , Gauges ,
and ChoiceGroups . |
Gauge |
The Gauge class implements a bar graph display of a value intended
for use in a Form. |
Graphics |
Provides simple 2D geometric rendering capability. |
Image |
The Image class is used to used to hold graphical image data. |
ImageItem |
A class that provides layout control when Image objects are
added to a Form . |
Item |
A superclass for interactive components that can be added to a
Form . |
List |
The List class is a Screen containing list of choices. |
Screen |
The common superclass of all high-level user interface classes. |
StringItem |
An item that can contain a string. |
TextBox |
The TextBox class is a Screen that allows the user to enter
and edit text. |
TextField |
A TextField is an editable text component that may be placed into a
Form . |
Ticker |
Implements a "ticker-tape," a piece of text that runs
continuously across the display. |