mailmidlet.java

不一样的手机名片式电话本,其中包括添加新记录

package PhoneBook;

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

public class MailMIDlet extends MIDlet implements CommandListener {
    private final static  Command exitCommand=new Command("退出",Command.EXIT,1);
    private final static Command confirmCommand=new Command("确定",Command.SCREEN,1);
    private Display display;
    private List mainList;
    private RecordStore rs;
    public MailMIDlet(){
    	display=Display.getDisplay(this);
    	
    }
    protected void startApp(){
    	Image[] imageArray=null;
    	try{
    		Image icon=Image.createImage("/girl.png");
    		imageArray=new Image[]{icon,icon,icon,icon};
    		
    		
    	}catch(java.io.IOException err){
    		imageArray=null;
    	}
    	
    	String[] stringArray={"添加新记录","浏览电话簿","查找记录","删除记录"};
    	mainList=new List("电话簿",Choice.IMPLICIT,stringArray,imageArray);
    	mainList.addCommand(exitCommand);
    	mainList.addCommand(confirmCommand);
    	mainList.setCommandListener(this);
    	display.setCurrent(mainList);
    	
    	try{
    		rs=RecordStore.openRecordStore("MyPhoneBook",true);
    		
    	}catch(Exception e){
    		rs=null;
    		
    	}
    }
	protected void destroyApp(boolean unconditional){
		
	}
	protected void pauseApp(){
		
	}
	public void commandAction(Command c,Displayable d){
		if(d.equals(mainList)){
			if(c==List.SELECT_COMMAND|| c==confirmCommand){
				if(d.equals(mainList)){
					switch(((List)d).getSelectedIndex()){
					case 0:
						NewRecordForm newRF=new NewRecordForm(BookConstant.record_added,mainList,this,rs);
						display.setCurrent(newRF);
						break;
					case 1:
						ListRecord list=new ListRecord(BookConstant.listPhoneTitle,Choice.IMPLICIT,mainList,this,rs);
						display.setCurrent(list);
						break;
					case 2:
						FindRecord fr=new FindRecord(mainList,this,rs);
						display.setCurrent(fr);
						break;
					case 3:
						DeleteRecord dr=new DeleteRecord(mainList,this,rs);
						display.setCurrent(dr);
						break;
					}
				}
			}
		}
		if(c==exitCommand){
			try{
				rs.closeRecordStore();
				rs=null;
			}catch(Exception e){
				
			}
			destroyApp(false);
			notifyDestroyed();
		}
	}
}