mainmenu.java

深海大战手机游戏

package shipwar;

import javax.microedition.lcdui.*;
import javax.microedition.rms.*;

public class MainMenu extends List implements CommandListener{
    public static int level=3;
    private Play play;
    private SetLevel setlevel;
    private ViewRecord viewrecord;
    private Help help;
    private Command Exit=new Command("退出",Command.EXIT,5);
    private String[] listname={"3级","4级","5级"};
    private Displayable instance;
    private Image[] iconArray;
    private Image icon;
    public static RecordStore rs;
    public MainMenu(String[] stringArray,Image[] imageArray,Image icon){
        super("深海大战",List.IMPLICIT,stringArray,imageArray);
        this.addCommand(Exit);
        this.icon=icon;
        try{
            rs=RecordStore.openRecordStore("gamerecord",true);
        }catch(Exception e){
            System.out.println("打开记录文件失败");
        }
        iconArray=new Image[]{icon,icon,icon};
        this.instance=this;
        this.setCommandListener(this);
    }

    public void commandAction(Command c,Displayable d){
        if(c==Exit)
            shipwarMIDlet.quitApp();
        else{
            switch(this.getSelectedIndex()){
            case 0:
                play=null;
                play=new Play(instance);
                Display.getDisplay(shipwarMIDlet.shipwarmidlet).setCurrent(play);
                break;
            case 1:
                setlevel=null;
                setlevel=new SetLevel(listname,iconArray,instance);
                Display.getDisplay(shipwarMIDlet.shipwarmidlet).setCurrent(setlevel);
                break;
            case 2:
                viewrecord=null;
                viewrecord=new ViewRecord(icon,instance);
                Display.getDisplay(shipwarMIDlet.shipwarmidlet).setCurrent(viewrecord);
                break;
            case 3:
                help=null;
                help=new Help(instance);
                Display.getDisplay(shipwarMIDlet.shipwarmidlet).setCurrent(help);
                break;
            }
        }
    }
}