javax.microedition.lcdui
Class Screen

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

Direct Known Subclasses:

Alert, Form, List, TextBox

public abstract class Screen

extends Displayable

The screen is the superclass of all high level objects

Field Summary

protected int	height The height for those that scroll
protected int	offset The offset for those screens that can scroll

Fields inherited from class javax.microedition.lcdui.Displayable

display

Constructor Summary

protected

Screen() Create a new screen

Method Summary

Ticker	getTicker() Get the ticker
java.lang.String	getTitle() Get the title
protected boolean	scrollDown() Scroll down by one screen
protected boolean	scrollUp() Scroll up by one screen
void	setTicker(Ticker ticker) Set the ticker
void	setTitle(java.lang.String title) Set the title

Methods inherited from class javax.microedition.lcdui.Displayable

addCommand, isShown, removeCommand, setCommandListener

Methods inherited from class java.lang.Object

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

Field Detail

offset

protected int offset

The offset for those screens that can scroll

height

protected int height

The height for those that scroll

Constructor Detail

Screen

protected Screen()

Create a new screen

Method Detail

getTicker

public Ticker getTicker()

Get the ticker

Returns:

the ticker

getTitle

public java.lang.String getTitle()

Get the title

Returns:

the title

setTicker

public void setTicker(Ticker ticker)

Set the ticker

Parameters:

ticker - The ticker

setTitle

public void setTitle(java.lang.String title)

Set the title

Parameters:

title - The title

scrollUp

protected boolean scrollUp()

Scroll up by one screen

Returns:

true if it needs to be repainted

scrollDown

protected boolean scrollDown()

Scroll down by one screen

Returns:

true if it needs to be repainted