javax.microedition.lcdui
Class Screen
java.lang.Object
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+--javax.microedition.lcdui.Displayable
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+--javax.microedition.lcdui.Screen
- Direct Known Subclasses:
- Alert, Form, List, TextBox
- public abstract class Screen
- extends Displayable
The Screen class is an abstract superclass that provides its subclasses
with an optional title and an optional ticker-tape style display.
getTitle
public String getTitle()
- Gets the title of the Screen. Returns null if there is no title.
setTitle
public void setTitle(String s)
- Sets the title of the Screen. If null is given, removes the title.
If the Screen is physically visible, the visible effect
should take place no later than immediately
after the callback or
startApp
returns back to the implementation.
- Parameters:
s
- the new title, or null for no title
setTicker
public void setTicker(Ticker ticker)
- Set a ticker for use with this Screen, replacing any previous ticker.
If null, removes the ticker object
from this screen. The same ticker is may be shared by several Screen
objects within an application. This is done by calling setTicker() on
different screens with the same Ticker object.
If the Screen is physically visible, the visible effect
should take place no later than immediately
after the callback or
startApp
returns back to the implementation.
- Parameters:
ticker
- the ticker object used on this screen
getTicker
public Ticker getTicker()
- Gets the ticker used by this Screen.
- Returns:
- ticker object used, or null if no ticker is present
Submit a comment or suggestion Version 0.9 of MID Profile Specification
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