aboutbox.java

一个反日货查询程序

/*
 * AboutBox.java
 * 显示关于窗口
 * Created on 2004年2月4日, 下午6:05
 */
import javax.microedition.lcdui.*;

public class AboutBox extends Alert{
    private Displayable prevDisplay = null;
    private static String copyright =
    "J2ME MIDP 1.0/2.0 无线设备程序编程指南 综合实例\n"
        +"日货查询软件\n演示功能包括：\n"
        +"高级界面编程、持续存储、HTTP网络功能\n\n"
        +"本实例作为对我编写的J2ME MIDP开发参考书的补充\n"
        +"本实例讲解可以参考：\n"
        +"本文教程请访问：\n"
        +"http://www.vchelp.net/wyy/j2me/tour_sample.asp";
    //构造器
    public AboutBox(String title) {
        super(title, null, null, null);
    };
    //显示于信息
    public static void showAbout(Display display) {
    AboutBox about = new AboutBox("关于..." );
        about.setTimeout(FOREVER);
        String icon = "/icons/logo.png";
    try {//装入图像
            Image image = Image.createImage(icon);
            about.setImage(image);
        } catch (java.io.IOException x) {
            System.out.println("loadImg error " + x.getMessage());
        }
    // Add the copyright
    about.setString(copyright);
        about.prevDisplay = display.getCurrent();
    display.setCurrent(about, about.prevDisplay);
    }
}