starmidlet.java

本程序为一个简单的J2ME程序

import java.io.*;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class StarMIDlet extends MIDlet implements CommandListener {

    private Command exitComm;
    private Command confirmComm;

    private List list;
    private Display display;

    String[] menu = { "白羊座", "金牛座", "双子座", "巨蟹座","狮子座","天秤座","天蝎座","摩羯座","水瓶座","双鱼座","处女座","射手座"};

 
    Image[] menuImage = {
        createImage("/TilePuzzle.png"),
        createImage("/Auction.png"),
        createImage("/ManyBalls.png"),
        createImage("/App.png"),
        createImage("/App.png"),
        createImage("/App.png"),
        createImage("/App.png"),
        createImage("/App.png"),
        createImage("/App.png"),
        createImage("/App.png"),
        createImage("/App.png"),
        createImage("/App.png")
        };

    
 
    public StarMIDlet() {

        display = Display.getDisplay(this);

        exitComm = new Command("离开", Command.EXIT, 1);

    }

    public void startApp() {
    	

        list = new List("星座", List.IMPLICIT,menu,menuImage);
        list.addCommand(exitComm);
      
        list.setCommandListener(this);
        display.setCurrent(list);

      
    }

    public void pauseApp() {
    
    }

    public void destroyApp(boolean unconditional) {
    
    }

    private Image createImage(String name) {
        Image aImage = null;
        try {
            aImage = Image.createImage(name);
        } catch (IOException e) {
        }
        return aImage;
    }

    public void commandAction(Command c, Displayable s) {
    	
    	String comm = c.getLabel();
    	
        if (comm.equals("离开")) {
                destroyApp(false);
                notifyDestroyed();
        }else {
   //             if (c == List.SELECT_COMMAND) {	
            int index = list.getSelectedIndex();
           
            Alert alert = new Alert("你选择的是", menu[index], null, AlertType.INFO);
            alert.setTimeout(5000);
            display.setCurrent(alert);
        }              
    
    }

}