formspacer.java

Java ME手机应用开发大全一书的配套光盘上的源码

import javax.microedition.lcdui.*;   
import javax.microedition.midlet.*;   
public class FormSpacer extends MIDlet     
 {   
  private Form form;    
  private Spacer spacer;  
  private TextField t1,t2;
  public  FormSpacer()   
  {   
   form=new Form("Spacer布局");   
   int x=form.getWidth()/4;
   int y=form.getHeight()/4;   
   spacer=new  Spacer(x,y);   
   t1= new TextField("用户名", "", 30, TextField.ANY);
   t2= new TextField("密码", "", 30, TextField.PASSWORD);
  form.append(t1);   
  //form.append(spacer);   
  form.append(t2);   
  }   
  public void startApp()   
  {   
  Display.getDisplay(this).setCurrent(form);   
  }   
  public void pauseApp()   
  {   
  }   
  public void destroyApp(boolean   unconditional)   
  {
  }     
  }