formmidlet.java

j2me 手机编程实例

package com.j2medev.sample.chapter3;

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

public class FormMidlet extends MIDlet implements CommandListener{

    //创建一个空白的Form
    private Form form = new Form("UIDemo");
    private Display display = null;
    private Command exitCommand = new Command("退出",Command.EXIT,1);

    public void startApp() {
        if(display==null) {
            display = Display.getDisplay(this);
            form.addCommand(exitCommand);
            form.setCommandListener(this);
        }
        display.setCurrent(form);
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }
    
    public void commandAction(Command cmd,Displayable displayable){
        if(cmd == exitCommand){
            destroyApp(false);
            notifyDestroyed();
        }
    }
}