从blackberry中的数据库获取侦听器数据时出错

过去三天我一直在尝试，但我没能解决这个问题；编辑表和查询

我一直在使用perstlite来存储数据；我已经为所需的类创建了表和查询

现在我一直在手机上收听联系人，我只能在该类中获取数据，但我无法在主类中或项目中的任何位置获取信息，尽管我已经调用了该类。有人能帮我解决这个问题吗

这是我的节目

package com.Wblower.listeners;



import java.util.Hashtable;

import javax.microedition.pim.Contact;
import javax.microedition.pim.PIMItem;
import javax.microedition.pim.PIMList;
import com.Wblower.db.ContactlistdatabaseQueries;
import com.Wblower.db.Contactlistdatabasetable;
import com.Wblower.db.DataBaseConnectivity;
import com.Wblower.util.DateTimeUtil;



import net.rim.blackberry.api.pdap.BlackBerryContact;
import net.rim.blackberry.api.pdap.BlackBerryContactList;
import net.rim.blackberry.api.pdap.PIMListListener;

public class ContactListener implements PIMListListener {

    BlackBerryContactList contactList;
    DataBaseConnectivity dbconnectVity = new DataBaseConnectivity();

    public void itemAdded(PIMItem arg0) {

        System.out.println("Item Added ==");
        String firstname = "none";
        String lastname = "none";
        String mobile = "none";
        String mobile1 = "none";
        String mobile2 = "none";
        String email = "none";
        String email1 = "none";
        String web = "none";
        String company = "none";
        String address = "none";
        String address1 = "none";
        String name[] = { "" };
        String timeStamp = "none";

        PIMList contacts = arg0.getPIMList();
        Contact contact = (Contact) arg0;

        if (contacts.isSupportedField(Contact.NAME)) {

            try {
                if (contact.countValues(Contact.NAME) > 0)
                    name = contact.getStringArray(Contact.NAME, 0);
                if (name[Contact.NAME_GIVEN] != null)
                    firstname = name[Contact.NAME_GIVEN];
                System.out.println("FirstName= " + firstname);
                if (name[Contact.NAME_FAMILY] != null)
                    lastname = name[Contact.NAME_FAMILY];
                System.out.println("LastName= " + lastname);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }

        }
        if (contacts.isSupportedField(Contact.EMAIL)) {
            try {
                if (contact.countValues(Contact.EMAIL) > 0)
                    email = contact.getString(Contact.EMAIL, 0);
                System.out.println("Email " + email);

                if (contact.countValues(Contact.EMAIL) > 1)
                    email1 = contact.getString(Contact.EMAIL, 1);
                System.out.println("Email " + email1);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }
        }

        if (contacts.isSupportedField(Contact.ORG)) {

            try {
                if (contact.countValues(Contact.ORG) > 0)
                    company = contact.getString(Contact.ORG, 0);
                System.out.println("Company " + company);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }
        }

        if (contacts.isSupportedField(Contact.URL)) {
            try {
                if (contact.countValues(Contact.URL) > 0)
                    web = contact.getString(Contact.URL, 0);
                System.out.println("web " + web);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }
        }
        if (contacts.isSupportedField(Contact.TEL)) {
            try {
                if (contact.countValues(Contact.TEL) > 0)
                    mobile = contact.getString(Contact.TEL, 0);
                System.out.println("Phone " + mobile);

                if (contact.countValues(Contact.TEL) > 1)
                    mobile1 = contact.getString(Contact.TEL, 1);
                System.out.println("Phone " + mobile1);

                if (contact.countValues(Contact.TEL) > 2)
                    mobile2 = contact.getString(Contact.TEL, 2);
                System.out.println("Phone " + mobile2);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }
            if (contacts.isSupportedField(Contact.ADDR)) {

                try {
                    address = "";
                    String[] addressarr = contact.getStringArray(
                            BlackBerryContact.ADDR, 0);

                    for (int i = 0; i < addressarr.length; i++) {

                        if (addressarr[i] != null) {
                            address = address + " " + addressarr[i];

                        }

                    }
                    System.out.println("Address==" + address);

                    address1 = "";
                    String[] addressar = contact.getStringArray(
                            BlackBerryContact.ADDR, 1);

                    for (int i = 0; i < addressar.length; i++) {
                        if (addressar[i] != null) {
                            address1 = address1 + " " + addressar[i];

                        }

                    }
                    System.out.println("Address==" + address1);
                } catch (Exception e) {
                    System.out.println("Exception::" + e.getMessage());
                }

                timeStamp = DateTimeUtil.timestamp();

                try {

                    System.out.println("Entering into the db");
                    dbconnectVity.setDataBase();
                    Contactlistdatabasetable Contactlist;
                    Contactlist = new Contactlistdatabasetable(
                            "Contacts", "Add", firstname, lastname, mobile,
                            mobile1, mobile2, email, email1, web, company,
                            address, address1, timeStamp);
                    ContactlistdatabaseQueries.insertSingleContactlist(Contactlist);
                    ContactlistdatabaseQueries.selectWholeContactlist();         
                } catch (Exception e) {
                    System.out.println("Exception::" + e.getMessage());
                }

                return;

            }

        }

    }

    public void itemRemoved(PIMItem arg0) {
        System.out.println("Item Removed ==");
        String firstname = "none";
        String lastname = "none";
        String mobile = "none";
        String mobile1 = "none";
        String mobile2 = "none";
        String email = "none";
        String email1 = "none";
        String web = "none";
        String company = "none";
        String address = "none";
        String address1 = "none";
        String name[] = { "" };
        String timeStamp = "none";

        PIMList contacts = arg0.getPIMList();
        Contact contact = (Contact) arg0;

        if (contacts.isSupportedField(Contact.NAME)) {

            try {
                if (contact.countValues(Contact.NAME) > 0)
                    name = contact.getStringArray(Contact.NAME, 0);
                if (name[Contact.NAME_GIVEN] != null)
                    firstname = name[Contact.NAME_GIVEN];
                System.out.println("FirstName= " + firstname);
                if (name[Contact.NAME_FAMILY] != null)
                    lastname = name[Contact.NAME_FAMILY];
                System.out.println("LastName= " + lastname);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }

        }
        if (contacts.isSupportedField(Contact.EMAIL)) {
            try {
                if (contact.countValues(Contact.EMAIL) > 0)
                    email = contact.getString(Contact.EMAIL, 0);
                System.out.println("Email " + email);

                if (contact.countValues(Contact.EMAIL) > 1)
                    email1 = contact.getString(Contact.EMAIL, 1);
                System.out.println("Email " + email1);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }
        }

        if (contacts.isSupportedField(Contact.ORG)) {

            try {
                if (contact.countValues(Contact.ORG) > 0)
                    company = contact.getString(Contact.ORG, 0);
                System.out.println("Company " + company);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }
        }

        if (contacts.isSupportedField(Contact.URL)) {
            try {
                if (contact.countValues(Contact.URL) > 0)
                    web = contact.getString(Contact.URL, 0);
                System.out.println("web " + web);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }
        }
        if (contacts.isSupportedField(Contact.TEL)) {
            try {
                if (contact.countValues(Contact.TEL) > 0)
                    mobile = contact.getString(Contact.TEL, 0);
                System.out.println("Phone " + mobile);

                if (contact.countValues(Contact.TEL) > 1)
                    mobile1 = contact.getString(Contact.TEL, 1);
                System.out.println("Phone " + mobile1);

                if (contact.countValues(Contact.TEL) > 2)
                    mobile2 = contact.getString(Contact.TEL, 2);
                System.out.println("Phone " + mobile2);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }
            if (contacts.isSupportedField(Contact.ADDR)) {

                try {
                    address = "";
                    String[] addressarr = contact.getStringArray(
                            BlackBerryContact.ADDR, 0);

                    for (int i = 0; i < addressarr.length; i++) {

                        if (addressarr[i] != null) {
                            address = address + " " + addressarr[i];

                        }

                    }
                    System.out.println("Address==" + address);

                    address1 = "";
                    String[] addressar = contact.getStringArray(
                            BlackBerryContact.ADDR, 1);

                    for (int i = 0; i < addressar.length; i++) {

                        if (addressar[i] != null) {
                            address1 = address1 + " " + addressar[i];

                        }

                    }
                    System.out.println("Address==" + address1);
                } catch (Exception e) {
                    System.out.println("Exception::" + e.getMessage());
                }

                timeStamp = DateTimeUtil.timestamp();

                try {
                    System.out.println("Entering into the db");
                    dbconnectVity.setDataBase();
                    Contactlistdatabasetable Contactlist;
                    Contactlist = new Contactlistdatabasetable(
                            "Contacts", "Delete", firstname, lastname, mobile,
                            mobile1, mobile2, email, email1, web, company,
                            address, address1, timeStamp);
                    ContactlistdatabaseQueries.insertSingleContactlist(Contactlist);
                    ContactlistdatabaseQueries.selectWholeContactlist();
                } catch (Exception e) {
                    System.out.println("Exception::" + e.getMessage());
                }

                return;
            }
        }

    }

    public void itemUpdated(PIMItem arg0, PIMItem arg1) {
        System.out.println("Item Updated ==");
        String firstname = "none";
        String lastname = "none";
        String mobile = "none";
        String mobile1 = "none";
        String mobile2 = "none";
        String email = "none";
        String email1 = "none";
        String web = "none";
        String company = "none";
        String address = "none";
        String address1 = "none";
        String name[] = { "" };
        String timeStamp = "none";

        PIMList contacts = arg1.getPIMList();
        Contact contact = (Contact) arg1;

        if (contacts.isSupportedField(Contact.NAME)) {

            try {
                if (contact.countValues(Contact.NAME) > 0)
                    name = contact.getStringArray(Contact.NAME, 0);
                if (name[Contact.NAME_GIVEN] != null)
                    firstname = name[Contact.NAME_GIVEN];
                System.out.println("FirstName= " + firstname);
                if (name[Contact.NAME_FAMILY] != null)
                    lastname = name[Contact.NAME_FAMILY];
                System.out.println("LastName= " + lastname);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }

        }
        if (contacts.isSupportedField(Contact.EMAIL)) {
            try {
                if (contact.countValues(Contact.EMAIL) > 0)
                    email = contact.getString(Contact.EMAIL, 0);
                System.out.println("Email " + email);

                if (contact.countValues(Contact.EMAIL) > 1)
                    email1 = contact.getString(Contact.EMAIL, 1);
                System.out.println("Email " + email1);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }
        }

        if (contacts.isSupportedField(Contact.ORG)) {

            try {
                if (contact.countValues(Contact.ORG) > 0)
                    company = contact.getString(Contact.ORG, 0);
                System.out.println("Company " + company);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }
        }

        if (contacts.isSupportedField(Contact.URL)) {
            try {
                if (contact.countValues(Contact.URL) > 0)
                    web = contact.getString(Contact.URL, 0);
                System.out.println("web " + web);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }
        }
        if (contacts.isSupportedField(Contact.TEL)) {
            try {
                if (contact.countValues(Contact.TEL) > 0)
                    mobile = contact.getString(Contact.TEL, 0);
                System.out.println("Phone " + mobile);

                if (contact.countValues(Contact.TEL) > 1)
                    mobile1 = contact.getString(Contact.TEL, 1);
                System.out.println("Phone " + mobile1);

                if (contact.countValues(Contact.TEL) > 2)
                    mobile2 = contact.getString(Contact.TEL, 2);
                System.out.println("Phone " + mobile2);
            } catch (Exception e) {
                System.out.println("Exception::" + e.getMessage());
            }
            if (contacts.isSupportedField(Contact.ADDR)) {

                try {
                    address = "";
                    String[] addressarr = contact.getStringArray(
                            BlackBerryContact.ADDR, 0);

                    for (int i = 0; i < addressarr.length; i++) {

                        if (addressarr[i] != null) {
                            address = address + " " + addressarr[i];

                        }

                    }
                    System.out.println("Address==" + address);
                    address1 = "";
                    String[] addressar = contact.getStringArray(
                            BlackBerryContact.ADDR, 1);

                    for (int i = 0; i < addressar.length; i++) {
                        if (addressar[i] != null) {
                            address1 = address1 + " " + addressar[i];

                        }

                    }
                    System.out.println("Address==" + address1);
                } catch (Exception e) {
                    System.out.println("Exception::" + e.getMessage());
                }

                timeStamp = DateTimeUtil.timestamp();

                try {
                    System.out.println("Entering into the db");
                    dbconnectVity.setDataBase();
                    Contactlistdatabasetable Contactlist;
                    Contactlist = new Contactlistdatabasetable(
                            "Contacts", "Update", firstname, lastname, mobile,
                            mobile1, mobile2, email, email1, web, company,
                            address, address1, timeStamp);
                    ContactlistdatabaseQueries.insertSingleContactlist(Contactlist);
                    ContactlistdatabaseQueries.selectWholeContactlist();

                } catch (Exception e) {
                    System.out.println("Exception::" + e.getMessage());
                }

                return;
            }
        }
    }
}

package com.Wblower.listeners；
导入java.util.Hashtable；
导入javax.microedition.pim.Contact；
导入javax.microedition.pim.pimiitem；
导入javax.microedition.pim.PIMList；
导入com.Wblower.db.ContactlistdatabaseQueries；
导入com.Wblower.db.Contactlistdatabasetable；
导入com.Wblower.db.DataBaseConnectivity；
导入com.Wblower.util.DateTimeUtil；
导入net.rim.blackberry.api.pdap.BlackBerryContact；
导入net.rim.blackberry.api.pdap.BlackBerryContactList；
导入net.rim.blackberry.api.pdap.PIMListListener；
公共类ContactListener实现了PIMListListener{
黑莓联系人列表；
DataBaseConnectivity dbConnectivity=新建DataBaseConnectivity（）；
已添加公共无效项（PIMItem arg0）{
System.out.println（“添加的项=”；
String firstname=“无”；
字符串lastname=“无”；
字符串mobile=“无”；
字符串mobile1=“无”；
字符串mobile2=“无”；
String email=“无”；
字符串email1=“无”；
字符串web=“无”；
字符串company=“无”；
字符串地址=“无”；
字符串地址1=“无”；
字符串名称[]={”“}；
字符串timeStamp=“无”；
PIMList contacts=arg0.getPIMList（）；
联系人=（联系人）arg0；
if（contacts.isSupportedField（Contact.NAME））{
试一试{
if（contact.countValues（contact.NAME）>0）
name=contact.getStringArray（contact.name，0）；
如果（姓名[联系人姓名]！=null）
firstname=姓名[联系人姓名]；
System.out.println（“FirstName=“+FirstName”）；
如果（姓名[联系人姓名\家庭]！=null）
lastname=姓名[联系人姓名\家庭]；
System.out.println（“LastName=“+LastName”）；
}捕获（例外e）{
System.out.println（“异常：：”+e.getMessage（））；
}
}
if（contacts.isSupportedField（Contact.EMAIL））{
试一试{
如果（contact.countValues（contact.EMAIL）>0）
email=contact.getString（contact.email，0）；
System.out.println（“电子邮件”+电子邮件）；
如果（contact.countValues（contact.EMAIL）>1）
email1=contact.getString（contact.EMAIL，1）；
System.out.println（“电子邮件”+email1）；
}捕获（例外e）{
System.out.println（“异常：：”+e.getMessage（））；
}
}
if（contacts.isSupportedField（Contact.ORG））{
试一试{
如果（contact.countValues（contact.ORG）>0）
company=contact.getString（contact.ORG，0）；
System.out.println（“公司”+公司）；
}捕获（例外e）{
System.out.println（“异常：：”+e.getMessage（））；
}
}
if（contacts.isSupportedField（Contact.URL））{
试一试{
if（contact.countValues（contact.URL）>0）
web=contact.getString（contact.URL，0）；
System.out.println（“web”+web）；
}捕获（例外e）{
System.out.println（“异常：：”+e.getMessage（））；
}
}
if（联系人发布支持字段（联系人电话））{
试一试{
如果（contact.countValues（contact.TEL）>0）
mobile=contact.getString（contact.TEL，0）；
System.out.println（“手机”+手机）；
if（contact.countValues（contact.TEL）>1）
mobile1=contact.getString（contact.TEL，1）；
System.out.println（“电话”+mobile1）；
if（联系方式计数值（联系方式电话）>2）
mobile2=contact.getString（contact.TEL，2）；
System.out.println（“电话”+mobile2）；
}捕获（例外e）{
System.out.println（“异常：：”+e.getMessage（））；
}
if（contacts.isSupportedField（Contact.ADDR））{
试一试{
地址=”；
字符串[]地址arr=contact.getStringArray(
BlackBerryContact.ADDR，0）；
for（int i=0；i