Micro Java™ Game Development

Appendix A. Low-Level GUI Classes

Game Classes

The following listing contains a brief description of commonly used J2ME GUI classes. All the following classes are in the javax.microedition.lcdui package.

• Alert—. Shows data to the user and waits for a certain period of time.

• AlertType—. Designates the nature of an Alert.

• Canvas—. Handles low-level events and draws to the display.

• ChoiceGroup—. A group of selectable elements.

• Command—. A user action.

• DateField—. An editable component for presenting date and time information.

• Display—. Represents the manager of the display and input devices for the device.

• Displayable—. A superclass of all Screens that can be put on the display.

• Font—. Text fonts and font metrics.

• Form—. A Screen that contains common user interface ...