appendticker.java

j2me的程序

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
// A first MIDlet with simple text and a few commands.
public class appendTicker extends MIDlet implements CommandListener {

  private Command exitCommand;

  private Display display;

  public appendTicker() {
    display = Display.getDisplay(this);
    exitCommand = new Command("离开", Command.EXIT, 1);
  }

  public void startApp() {
    TextBox t = new TextBox("Hello",
		    "Welcome to MIDP Programming", 256, 0);
    Ticker aTicker = new Ticker("号外！所有图书一律八折");
    t.setTicker(aTicker);
    t.addCommand(exitCommand);
    t.setCommandListener(this);
    display.setCurrent(t);
  }

  public void pauseApp() { }

  public void destroyApp(boolean unconditional) { }

  public void commandAction(Command c, Displayable s) {
    if (c == exitCommand) {
      destroyApp(false);
      notifyDestroyed();
    }
  }
}