blogmidlet.java

j2me简单实例,j2me教程加源码,希望大家喜欢

/*
 * BlogMIDlet.java
 *
 * Created on 2006年6月24日, 下午12:30
 */

package com.j2medev.chapter4;

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

/**
 *
 * @author  ming
 * @version
 */
public class BlogMIDlet extends MIDlet implements CommandListener {
    
    private Display display = null;
    private List menu = null;
    private static BlogMIDlet instance = null;
    private BlogHttpUtil http = null;
    public static final String[] titles = {"post article","capture picture","about"};
    
    public void startApp() {
        if(display == null){
            display = Display.getDisplay(this);
            instance = this;
            //初始化BlogHttpUtil,根据情况写服务器地址和端口
            http = new BlogHttpUtil("http://localhost:8084");
            menu = new List("moblog",List.IMPLICIT,titles,null);
            menu.addCommand(new Command("Exit",Command.EXIT,1));
            menu.setCommandListener(this);
        }
        display.setCurrent(menu);
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }
    public static void setCurrent(Displayable displayable){
        instance.display.setCurrent(displayable);
    }
    
    public void displayMenu(){
        display.setCurrent(menu);
    }
    public void commandAction(Command command, Displayable displayable) {
        if(command.getCommandType() == Command.EXIT){
            destroyApp(false);
            notifyDestroyed();
        }else if(command == List.SELECT_COMMAND){
            int index = menu.getSelectedIndex();
            if(index == 0){
                display.setCurrent(new PostArticleForm(this));
            }else if(index == 1){
                display.setCurrent(new CaptureForm(this));
            }else if(index == 2){
                //fix me about
            }
        }
    }
    
    public void post(String uri,Form form,String contentType){
        http.post(uri,form,contentType);
    }
}