javax.microedition.lcdui
Class Displayable

java.lang.Object
  |
  +--javax.microedition.lcdui.Displayable

Direct Known Subclasses:

Canvas, Screen

public abstract class Displayable

extends Object

This is the displayable class. Anything that can be displayed is a subclass of this

Field Summary

protected Display

display The display we are on

Method Summary

void	addCommand(Command cmd) Add a command to the displayable
boolean	isShown() Are we shown
void	removeCommand(Command cmd) Remove a command
void	setCommandListener(CommandListener l) Set the command listener

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

display

protected Display display

The display we are on

Method Detail

addCommand

public void addCommand(Command cmd)

Add a command to the displayable

Parameters:

cmd - The command. This is only added if it will display to the user differently

isShown

public boolean isShown()

Are we shown

Returns:

true if currently shown

removeCommand

public void removeCommand(Command cmd)

Remove a command

Parameters:

cmd - The command to remove

setCommandListener

public void setCommandListener(CommandListener l)

Set the command listener

Parameters:

l - The listener