midlet3.java

这是郭克华老师的J2ME视频的源代码

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

public class MIDlet3 extends MIDlet {
	private Form frm = new Form("请您选择相应操作");
	private Display dis;
	/*SCREEN,BACK,CANCEL,OK,HELP,STOP,EXIT,ITEM*/
	private Command SCREEN = new Command("SCREEN",Command.SCREEN,1);
	private Command BACK = new Command("BACK",Command.BACK,1);
	private Command CANCEL = new Command("CANCEL",Command.CANCEL,1);
	private Command OK = new Command("OK",Command.OK,1);
	private Command HELP = new Command("HELP",Command.HELP,2);
	private Command STOP = new Command("STOP",Command.STOP,1);
	private Command EXIT = new Command("EXIT",Command.EXIT,1);
	private Command ITEM = new Command("ITEM",Command.ITEM,1);

	private Command HELP1 = new Command("HELP1",Command.HELP,1);
	
	protected void startApp() throws MIDletStateChangeException {
		dis = Display.getDisplay(this);	//获得当前MIDlet上的显示对象
		dis.setCurrent(frm);	//将frm设置为当前界面

		frm.addCommand(SCREEN);
		frm.addCommand(BACK);
		frm.addCommand(CANCEL);
		frm.addCommand(OK);
		frm.addCommand(HELP);
		frm.addCommand(STOP);
		frm.addCommand(EXIT);
		frm.addCommand(ITEM);

		frm.addCommand(HELP1);
	}

	protected void pauseApp() {
	}
	
	protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
		

	}





}