📄 messagemidlet.java.txt
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//=====================MessageMIDlet主类===============================
package messagemidlet;
//主类
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class MessageMIDlet extends MIDlet {
public static MessageMIDlet messagemidlet;
private MenuMIDLet menumidlet = new MenuMIDLet();
/** Constructor */
public MessageMIDlet() {
messagemidlet = this;
}
/** Main method */
public void startApp() {
Display.getDisplay(this).setCurrent(menumidlet);
}
/** Handle pausing the MIDlet */
public void pauseApp() {
}
/** Handle destroying the MIDlet */
public void destroyApp(boolean unconditional) {
}
/** Quit the MIDlet */
public static void quitApp() {
messagemidlet.destroyApp(true);
messagemidlet.notifyDestroyed();
messagemidlet = null;
}
}
//=========================end================================
//=========================SetGet操作用到的属性================================
package messagemidlet;
///JAVA为什么不像c#一样有GET SET 来设置属性，所以麻烦点，我还是喜欢C#
public class SetGet {
public static int Id = 0;
public static int DelId = 0;
public static int ModId = 0;
public static String Str = null;
public static boolean IsOK =true ;
/** Constructor */
public SetGet() {
}
public static void SetId(int id){
Id = id;
}
public static int GetId(){
return Id;
}
public static void SetDelId(int id) {
DelId = id;
}
public static int GetDelId() {
return DelId;
}
public static void SetModId(int id) {
ModId = id;
}
public static int GetModId() {
return ModId;
}
public static void SetStr(String str){
Str = str;
}
public static String GetStr(){
return Str;
}
public static void SetIsTrue(boolean istrue){
IsOK = istrue;
}
public static boolean GetIsTrue(){
return IsOK;
}
}
//=========================end================================
//=========================PubClass公共类(集成一些常用属性和方法,方便调用)================================
package messagemidlet;
import javax.microedition.lcdui.*;
import javax.microedition.rms.*;
import java.io.*;
public class PubClass {
public static PubClass pubclass;
public Display display; //舞台对象
public Command exitCommand; //离开按钮对象
public Command selectCommand; //选择按钮对象
public Command menuCommand; //主目录
public Command okCommand ;
public Command operCommand;
public String[] menulist = {'通讯录','关于作者'}; //主菜单选项
public String[] mainlist ={'浏览联系人','查找联系人','添加联系人','其他'};
public String[] operatelist={'编辑联系人','删除联系人','全部删除'}; //操作
//只需修改personpro属性，其他自动生成，构造
public String[] personpro ={'姓名','手机','Email','地址','其他'}; //用户属性
public int Length = personpro.length; //用户属性个数
public String dataname = 'messages'; //数据库名
public boolean existingOrNot = existing(dataname);
RecordStore rs = null;
public TextField[] person = new TextField[Length];
public StringItem[] persondetail = new StringItem[Length];
/** 构造函数 */
public PubClass() {
for(int i=0;i ＜ LENGTH;I++){ class=kwd person[i]="new TextField(personpro[i], '', 256, TextField.ANY);
persondetail[i] = new StringItem(personpro[i],'');
}
}
//取得主目录列表
public String Get_MenuList(int i){
if(this.mainlist.length＜0){
return '';
}
return this.menulist[i];
}
//取得通讯录列表
public String Get_MainList(int j){
if(this.mainlist.length＜0){
return '';
}
return this.mainlist[j];
}
//取得联系人操作列表
public String Get_OperateList(int j){
if(this.operatelist.length＜0){
return '';
}
return this.operatelist[j];
}
//返回关于
public void Return_AboutMIDlet() {
AboutMIDlet aboutmidlet = new AboutMIDlet();
display.getDisplay(MessageMIDlet.messagemidlet).setCurrent(aboutmidlet);
}
//返回主目录
public void Return_MainMIDLet() {
MainMIDLet mainmidlet = new MainMIDLet();
display.getDisplay(MessageMIDlet.messagemidlet).setCurrent(mainmidlet);
}
//返回通讯录列表
public void Return_MenuMIDLet(){
MenuMIDLet menumidlet = new MenuMIDLet();
display.getDisplay(MessageMIDlet.messagemidlet).setCurrent(menumidlet);
}
//返回联系人列表
public void Return_PersonListMIDLet(){
PersonListMIDlet personlistmidlet = new PersonListMIDlet();
display.getDisplay(MessageMIDlet.messagemidlet).setCurrent(personlistmidlet);
}
//返回查找联系人
public void Return_SearchPersonMIDlet(){
}
//返回添加联系人
public void Return_AddPersonMIDLet(){
AddPersonMIDLet addpersonmidlet = new AddPersonMIDLet();
display.getDisplay(MessageMIDlet.messagemidlet).setCurrent(addpersonmidlet);
}
//返回操作
public void Return_OperateMIDLet(){
OperateMIDlet operatemidlet = new OperateMIDlet();
display.getDisplay(MessageMIDlet.messagemidlet).setCurrent(operatemidlet);
}
//返回查找
public void Return_SearchMIDlet() {
SearchMIDlet searrchmidlet = new SearchMIDlet();
display.getDisplay(MessageMIDlet.messagemidlet).setCurrent(searrchmidlet);
}
//返回查找结果
public void Return_SearchOutMIDlet() {
SearchOutMIDlet searrchoutmidlet = new SearchOutMIDlet();
display.getDisplay(MessageMIDlet.messagemidlet).setCurrent(searrchoutmidlet);
}
//返回编辑
public void Return_ModifyPersonMIDlet() {
ModifyPersonMIDlet modiftpersonmidlet = new ModifyPersonMIDlet();
display.getDisplay(MessageMIDlet.messagemidlet).setCurrent(modiftpersonmidlet);
}
//返回联系人详细列表,并传入对应ID值 ModifyPersonMIDlet
public void Return_PersonDetailMIDlet(){
PersonDetailMIDlet persondetailmidlet = new PersonDetailMIDlet();
display.getDisplay(MessageMIDlet.messagemidlet).setCurrent(persondetailmidlet);
}
//警告窗口
public void Alert(String alertstring){
Alert alert = new Alert('提示',alertstring,createImage('/images/1.png'),AlertType.ERROR);
alert.setTimeout(2000);
display.getDisplay(MessageMIDlet.messagemidlet).setCurrent(alert);
}
//警告窗口,提示后返回MainMIDLet
public void Alert(String alertstring,MainMIDLet mainmidlet){
Alert alert = new Alert('提示',alertstring,createImage('/images/1.png'),AlertType.ERROR);
alert.setTimeout(2000);
display.getDisplay(MessageMIDlet.messagemidlet).setCurrent(alert,mainmidlet);
}
//警告窗口,提示后返回PersonListMIDlet
public void Alert(String alertstring, PersonListMIDlet Personlistmidlet) {
Alert alert = new Alert('提示', alertstring, createImage('/images/1.png'),AlertType.ERROR);
alert.setTimeout(2000);
display.getDisplay(MessageMIDlet.messagemidlet).setCurrent(alert, Personlistmidlet);
}
//创建图像
public static Image createImage(String name){
Image aImage = null;
try{
aImage = Image.createImage(name);
}
catch(IOException e){
}
return aImage;
}
//判断数据库是否存在，打开,然会RecordStore对象
public RecordStore Open(){
boolean existingOrNot = false;
boolean OK = true;
existingOrNot = this.existing(dataname);
if (existingOrNot) {
try {
rs = RecordStore.openRecordStore(dataname, false);
}
catch (Exception e) {
OK = false;
}
}
else {
try {
rs = RecordStore.openRecordStore(dataname, true);
OK = true;
}
catch (Exception e) {
OK = false;
}
}
return rs;
}
//判断字符大小
public boolean existing(String recordStoreString) {
boolean existingOrNot = false;
RecordStore rs = null;
if (recordStoreString.length() ＞ 32)
return false;
try {
rs = RecordStore.openRecordStore(recordStoreString, false);
}
catch (RecordStoreNotFoundException e) {
existingOrNot = false;
}
catch (Exception e) {
}
finally {
try {
rs.closeRecordStore();
}
catch (Exception e) {
}
}
return existingOrNot;
}
}
//=========================end================================
//=========================PersonClass用户属性类================================
package messagemidlet;
//联系人属性类
import java.io.*;
import javax.microedition.rms.*;
public class PersonClass {
private static PersonClass personclass;
//构造公共类实例
private PubClass pubclass = new PubClass();
public static int Id = -1; //设置静态ID，赋值后不需要重新构造而不能调用
//联系人属性,数组
public String[] PersonPro = new String[pubclass.Length] ;
public void Write(String[] PersonPro){
for(int i = 0;i＜PERSONPRO.LENGTH class=kwd this.PersonPro[i] = PersonPro[i];
}
}
//设置ID，起修改，删除，显示作用
public void SetRecordID(int Id){
this.Id = Id;
}
//取得ID
public static int GetRecordID(){
return Id;
}
//转换为字节
public byte[] changeToByteArray(){
byte[] data = null;
try{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(baos);
for(int j=0;j＜this.PersonPro.length;j++){
dos.writeUTF(this.PersonPro[j]);
}
data = baos.toByteArray();
baos.close();
dos.close();
}
catch(Exception e){
return null;
}
return data;
}
public void changeFromByteArray(byte[] data) {
try {
ByteArrayInputStream bais = new ByteArrayInputStream(data);
DataInputStream dis = new DataInputStream(bais);
for(int k=0;k＜PERSONPRO.LENGTH;K++){ class=kwd this.PersonPro[k] = dis.readUTF();
}
bais.close();
dis.close();
}
catch (Exception e) {
}
}
public String getPerson(int m) {
return this.PersonPro[m];
}
public String GetListName(int RecordId){
return this.PersonPro[0];
}
}
//=========================end================================
//=========================MenuMIDLet主目录里表类================================
package messagemidlet;
import javax.microedition.lcdui.*;
import java.io.*;
public class MenuMIDLet extends List implements CommandListener {
//构造公共类实例
private PubClass pubclass = new PubClass();
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