测试手机对J2ME支持情况

import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.StringItem;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

public class SysInfo extends MIDlet {

private static Display display;

private Form f;

private StringItem si;

private void appendItem(String lable,String name){
String it=System.getProperty(name);
if (it!=null&&it.length()>0){
si = new StringItem(lable, it);
f.append(si);
}
}
/**
*
*/
public SysInfo() {
super();
display = Display.getDisplay(this);

f = new Form("系统信息");

// TODO 自动生成构造函数存根
}

/*
*
* @see javax.microedition.midlet.MIDlet#startApp()
*/
protected void startApp() throws MIDletStateChangeException {
// TODO 自动生成方法存根
appendItem("平台名称:","microedition.platform");
appendItem("CLDC或CDC版本:","microedition.configuration");
appendItem("MIDP版本:","microedition.profiles");