welcome.java

来自「<j2me 开发精解> 詹建光著 里所有的源码。对J2me的开发相当」· Java 代码 · 共 44 行

package com.j2medev.chapter3.splash;

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class Welcome extends MIDlet implements CommandListener{
    
    private Display display = null;
    String[] elements = new String[]{"阅读文章","拍照上传","推荐WAP站点"};
    private List main = new List("主菜单",List.IMPLICIT, elements,null);
    private Command exitCommand = new Command("退出",Command.EXIT, 1);
    
    public void startApp() {
        if(display == null){
            display = Display.getDisplay(this);
            main.addCommand(exitCommand);
            main.setCommandListener(this);
            //初始化SplashCanvas
            SplashCanvas splash = new SplashCanvas(this, main);
            //显示欢迎界面
            display.setCurrent(splash);
        }else{
            display.setCurrent(main);
        }
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }
    
    public void setCurrent(Displayable displayable){
        display.setCurrent(displayable);
    }
    //退出应用程序
    public void commandAction(Command cmd,Displayable displayable){
        if(cmd == exitCommand){
            destroyApp(false);
            notifyDestroyed();
        }
    }
}