textfielddemo.java.bak

j2me中TextField的实例, 可以做为学习的好

import javax.microedition.lcdui.*;
import javax.microedition.midlet.MIDlet;
public class TextFieldDemo extends MIDlet implements CommandListener 
{
	private Command exitcommand=new Command("OK",Command.EXIT,1);
	private Form form;
	protected TextFieldDemo()
	{
		form=new Form("Demo 演示");
	}
	protected void startApp()
	{
		//form.append(new TextBox("dddd",null,15,0));
		form.append(new TextField("电话号码","",15,TextField.NUMERIC));
		form.addCommand(exitcommand);
		form.setCommandListener(this);
		Display.getDisplay(this).setCurrent(form);
	}
	protected void pauseApp()
	{
		
	}
	protected void destroyApp(boolean un)
	{
	
	}
	public void commandAction(Command c,Displayable s)
	{
		if (c==exitcommand)
		{
			destroyApp(false);
			notifyDestroyed();
		}
	}
}