instead.java

在手机上 可以 存取数据 删除 数据 一个简单的手机应用

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

//如果需要分开下载，就启动这个类
public class Instead extends List implements CommandListener{
    private DataSave dataSave;
    private Container container;
    
    private Displayable displayable;
    private Display display;
    
    private MyCommand myCommand;
    private Command redatingCommand;
    
    public HttpDataAgent m_hda;
    
    public int id;
    private Jianhuaban m_mp;
    
    private Image rac=null;
    public Instead(Jianhuaban m_mp,Displayable displayable,Container container,DataSave dataSave) {
        super("更新项目",Choice.IMPLICIT);
        this.displayable=displayable;
        this.m_mp=m_mp;
        this.display=Display.getDisplay(m_mp);
        this.container=container;
        String[]  str={"会议公告","会议回顾","相关文献","问卷调查"};
        for(int i=0;i<str.length;i++){
            this.append(str[i],rac);
        }
        myCommand=new MyCommand();
        redatingCommand = new Command("提交",Command.OK,2);
        this.addCommand(redatingCommand);
        this.addCommand(myCommand.getBack());
        this.setCommandListener(this);
        display.setCurrent(this);
        this.dataSave=dataSave;
    }
    public void commandAction(Command c,Displayable d){
       
        
        
       
        if(c==myCommand.getBack()){
            display.setCurrent(displayable);
        }
      
        if(c==redatingCommand){
         if(d.equals(this)){
          
                if(d.equals(this)){
                switch(((List)d).getSelectedIndex()){
                   
                    case 0:
                     container.setMeetNotice("meetNotice");
                        dataSave.openTheStore(container.getMeetNotice());
                       
                        UpdataMeetNotice updataMeetNotice=new UpdataMeetNotice(m_mp,m_hda,displayable,container,dataSave);
                        updataMeetNotice.initialize(container.getMeetNotice());
                        break;
                    case 1:  //这边有难度，因为需要下载图片
                       // container.setMeetRecollect("meetRecollect");
                   // dataSave.openTheStore(container.getMeetRecollect());
                       // UpdataMeetRecollect updataMeetRecollect=new UpdataMeetRecollect(m_mp,m_hda,displayable,container);
                      //  updataMeetRecollect.initialize(container.getMeetRecollect());
                    //    break;
                        
                    case 2:
                        container.setRelativalLiterature("relativalLiterature");
                         dataSave.openTheStore(container.getRelativalLiterature());
                        UpdataRelativalLiterature updataRelativalLiterature=new UpdataRelativalLiterature(m_mp,m_hda,displayable,container,dataSave);
                        updataRelativalLiterature.initialize(container.getRelativalLiterature());
                        break;
                    case 3:
                        container.setQuestion("question");
                           dataSave.openTheStore(container.getQuestion());
                        UpdataQuestion updataQuestion=new UpdataQuestion(m_mp,m_hda,displayable,container);
                        updataQuestion.initialize(container.getQuestion());
                        break;
                }
            }
           }
      
            
            
        }
    }
    
}