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
Displayable . |
AlertType |
The AlertType provides an indication of the nature of an Alert .
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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 CustomItem is customizable by subclassing to introduce new visual and
interactive elements into Forms .
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DateField |
A DateField is an editable component for presenting date and time
(calendar) information that may be placed into a Form .
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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. |
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 used to hold graphical image data.
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ImageItem |
An item that can contain an image.
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Item |
A superclass for components that can be added to a Form . |
List |
A Screen containing 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 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. |