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09 Display
1. Display
Cornelius Koo – 2005
cornelius.mellino@gmail.com
2. What is Display
• The Display object working just like a
manager of the display controlling what is
shown on the device and when.
• javax.microedition.lcdui.Display
3. How to Get
• Display object is made available to MIDlet
through a call to static method declared
inside the Display class.
• The reference is often held for a lifetime of
MIDlet.
4. public class HelloWorld extends MIDlet {
private Display display;
public HelloWorld() {
super();
display = Display.getDisplay(this);
}
…
15. Reference
• Core J2ME Technology and MIDP. John
W. Muchow. Prentice Hall PTR, 2002.
• Enterprise J2ME: Developing Mobile
Java Applications. Michael Juntao Yuan.
Prentice Hall PTR, 2003.
• J2ME in A Nutshell. Kim Topley. Oreilly,
2002.