fewcommandsmidlet.java

来自「为J2ME开发者提供的初学文件 开发平台:Eclipse3.1」· Java 代码 · 共 44 行

import  javax.microedition.midlet.*;
import  javax.microedition.lcdui.*;
public class FewCommandsMIDlet extends MIDlet implements CommandListener
{
	private Command exitCommand;
	private Command infoCommand;
	private Command aboutCommand;
	private Display display;
	public FewCommandsMIDlet()
	{
		display=Display.getDisplay(this);
		exitCommand=new Command("离开",Command.SCREEN,1);
		infoCommand=new Command("信息",Command.SCREEN,2);
		aboutCommand=new Command("关于",Command.SCREEN,2);
		
	}
	public void startApp()
	{
		TextBox t = new  TextBox("多个软键","Welcome to MIDP Programming",256,0);
		t.addCommand(exitCommand);
		t.addCommand(infoCommand);
		t.addCommand(aboutCommand);
		t.setCommandListener(this);
		display.setCurrent(t);
	}
	public void  pauseApp()
	{
	}
	public void destroyApp(boolean unconditional )
	{
	}
	public void commandAction(Command c,Displayable s)
	{
		if(c==exitCommand)
		{
			
			destroyApp(false);
			notifyDestroyed();
		
		}
	}
}