youlansms.java

一个简单的记事本的源代码

import java.util.Vector;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.TextBox;


public class youlanSms extends TextBox implements CommandListener
{
	Command send,back,shanchu;
	public youlanSms(String title, String text, int maxSize, int constraints) 
	{
		super(title,text, maxSize, constraints);
		
		back=new Command("返回",Command.EXIT,2);
		send=new Command("查看",Command.BACK,1);
		shanchu=new Command("删除",Command.BACK,2);
		addCommand(back);
		addCommand(back);
		addCommand(shanchu);
		
		
		setCommandListener(this);
	}

	public void commandAction(Command c, Displayable d) 
	{
		if(c.equals(send))
		{
			String str=getString();
			setString("");
			Vector v=new Vector ();
			for (int i = 0; i < v.size(); i++)
	        {
		        String str1=(String)v.elementAt(i);
		        System.out.print(str + ",");
	        }
		}
		else if(c.equals(shanchu))
		{
			
		
		}
		
	}

}