如何获取用户输入的信息
package com.j2medev.sample.chapter3;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class TextFieldMidlet extends MIDlet implements CommandListener {
private Form form = new Form("UIDemo");
private Display display = null;
private TextField user,pass;
private Command okCommand = new Command("确定",Command.OK, 1);
public void startApp() {
if(display==null) {
display = Display.getDisplay(this);
user = new TextField("用户名:", "", 20, TextField.ANY);
pass = new TextField("密 码:", "", 20, TextField.ANY|TextField.PASSWORD);
form.append(user);
form.append(pass);
form.addCommand(okCommand);
form.setCommandListener(this);
}
display.setCurrent(form);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command cmd,Displayable displayable){
if(cmd == okCommand){
String u = user.getString();
String p = pass.getString();
System.out.println("您输入的用户名和密码分别是"+u+":"+p);
}
}
}
System.out.println("") 输出的信息是在控制台中输出的,可是怎样的手机的屏幕上输出呢?