javax.microedition.lcdui
Class Display

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

public class Display

extends Object

This is the manager for displays in the system. There is one display per midlet

Field Summary

Displayable

current The current displayable

Method Summary

void	callSerially(Runnable r) Let cause the runnable object to have its run method called sometime after the next repaint
Displayable	getCurrent() Get the current displayable
static Display	getDisplay(MIDlet m) Get the display for a midlet
boolean	isColor() Do we support colour - the answer is yes
int	numColors() Return the number of colours that can be represented
void	setCurrent(Alert alert, Displayable next) Set the current screen to be an alert, followed by a displayable
void	setCurrent(Displayable next) Set the current displayable

Methods inherited from class java.lang.Object

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

Field Detail

current

public Displayable current

The current displayable

Method Detail

getDisplay

public static Display getDisplay(MIDlet m)

Get the display for a midlet

Parameters:

m - The midlet

Returns:

the display object for the midlet

callSerially

public void callSerially(Runnable r)

Let cause the runnable object to have its run method called sometime after the next repaint

Parameters:

r - The runnable object

getCurrent

public Displayable getCurrent()

Get the current displayable

Returns:

the displayable

isColor

public boolean isColor()

Do we support colour - the answer is yes

Returns:

true if the display supports colour

numColors

public int numColors()

Return the number of colours that can be represented

Returns:

the number of colours

setCurrent

public void setCurrent(Alert alert,
                       Displayable next)

Set the current screen to be an alert, followed by a displayable

Parameters:

alert - The alert

next - The next displayable

setCurrent

public void setCurrent(Displayable next)

Set the current displayable

Parameters:

next - The displayable to make current