J2ME实验报告模版

J2ME实验报告
实验名称：高级界面综合实例
实验日期：2011
班级：B0851
学号：200
姓名：
一、实验目的
综合运用各种界面元素进行高级界面设计。

二、实验环境
JDK+WTK+Eclipse+EclipseMe
三、实验内容
模拟手机写短信程序
（1）欢迎界面：右下“写短信”进入编辑界面，左下“退出”退出程序。

（2）编辑界面：一个TextBox输入短信，右下“确定”进入号码界面，左下“返回”返回欢迎界面。

（3）号码界面：一个TextField输入号码，右下“发送”提示发送成功并在控制台显示短信内容，左下“返回”返回欢迎界面。

四、源程序与运行结果
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class UIConvert extends MIDlet {
Display display;
public UIConvert(){
display = Display.getDisplay(this);
startFirstScreen();
}
protected void destroyApp(boolean arg0) throws MIDletStateChangeException { // TODO Auto-generated method stub
}
protected void pauseApp() {
// TODO Auto-generated method stub
}
protected void startApp() throws MIDletStateChangeException { // TODO Auto-generated method stub
}
public void startFirstScreen(){
FirstScreen fs = new FirstScreen(this);
display.setCurrent(fs);
}
public void startSecondScreen(){
SecondScreen ss = new SecondScreen(this);
display.setCurrent(ss);
}
public void startThirdScreen(){
ThirdScreen ts = new ThirdScreen(this);
display.setCurrent(ts);
}
}
class FirstScreen extends Form implements CommandListener { private Form mainForm;
private Command exit,write;
private UIConvert midlet;
public FirstScreen(UIConvert midlet) {
// TODO Auto-generated constructor stub
super("欢迎界面");
this.midlet=midlet;
StringItem item = new StringItem("","欢迎您使用短信系统！");
this.append(item);
exit= new Command("退出",Command.EXIT,1);
write=new Command("写短信",Command.OK,1);
this.addCommand(exit);
this.addCommand(write);
this.setCommandListener(this);
}
public void commandAction(Command c,Displayable d)
{
if(c==exit){
destroyApp(false);
notifyDestroyed();
}
if(c==write){
midlet.startSecondScreen();
}
}
private void destroyApp(boolean b) {
// TODO Auto-generated method stub
}
private void notifyDestroyed() {
// TODO Auto-generated method stub
}
}
class SecondScreen extends Form implements CommandListener { private Form mainForm;
private Command back,ok;
private UIConvert midlet;
private TextField tf;
public SecondScreen(UIConvert midlet) {
// TODO Auto-generated constructor stub
super("编辑界面");
//mainForm= new Form("写短信");
this.midlet=midlet;
//StringItem item = new StringItem("第二个界面:","This is the StringItem text");
//this.append(item);
// tf = new TextField("编辑短信", "", 255, TextField.ANY);
// 设置TextField占据整个屏幕
//tf.setPreferredSize(mainForm.getWidth(), mainForm.getHeight());
// mainForm.append(tf);
back = new Command("返回",Command.EXIT,1);
ok = new Command("确认",Command.OK,1);
this.addCommand(back);
this.addCommand(ok);
this.setCommandListener(this);
}
public void commandAction(Command c,Displayable d)
{
if(c==back){
midlet.startFirstScreen();
}
if(c==ok){
midlet.startThirdScreen();
}
}
}
class ThirdScreen extends Form implements CommandListener {
private Form mainForm;
private Command back,send;
private UIConvert midlet;
private Alert alert;
private Display display;
public ThirdScreen(UIConvert midlet) {
// TODO Auto-generated constructor stub
super("号码界面");
this.midlet=midlet;
//StringItem item = new StringItem("第三个界面:","This is the StringItem text");
//this.append(item);
back = new Command("返回",Command.EXIT,1);
send = new Command("发送",Command.OK,1);
this.addCommand(back);
this.addCommand(send);
this.setCommandListener(this);
}
public void commandAction(Command c,Displayable d)
{
if(c==back){
midlet.startFirstScreen();
}
if(c==send){
alert= new Alert("发送成功", "恭喜您，短信发送成功", null, );
display.setCurrent(alert);
}
}
}
图1-1 图1-2
五、实验总结
主要包括本次实验是否完成、实验中遇到的问题及解决方法、实验收获等。