accessmidlet.java

《j2me开发精解〉（詹健飞）CD-rom附带源码。用netbeans

package com.j2medev.chapter4;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.rms.*;

public class AccessMIDlet extends MIDlet {
    private RecordStore rs = null;
    
    public void startApp() {
        String s = "";
        try{
            //打开另外套件中的RecordStore对象并读取内容。
            rs = RecordStore.openRecordStore("test", "j2medev", "database");
            s = new String(rs.getRecord(1));
        }catch(RecordStoreException ex){
            ex.printStackTrace();
        }
        Form form = new Form("读取记录");
        form.append(s);
        Display.getDisplay(this).setCurrent(form);
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
        try{
            rs.closeRecordStore();
        }catch(RecordStoreException ex){
            ex.printStackTrace();
        }
    }
}