commanddemo.java

来自「Java ME手机应用开发大全一书的配套光盘上的源码」· Java 代码 · 共 38 行

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class CommandDemo extends MIDlet implements CommandListener
{
  private Display display; 
  private Command submit; 
  private Command exit; 
  private Form form;
  public CommandDemo()
  {
   display = Display.getDisplay(this);
   submit = new Command("OK", Command.SCREEN, 1);
   exit = new Command("Exit", Command.SCREEN, 1);
   form=new Form("测试按钮");
   form.addCommand(exit);
   form.addCommand(submit);   
   form.setCommandListener(this);   
  }
  public void startApp()
  {
   display.setCurrent(form);
  }
  public void pauseApp()
  { 
  }
  public void destroyApp(boolean unconditional)
  { 
  }
  public void commandAction(Command command, Displayable displayable)
  {
   if (command == exit)
   {
      destroyApp(false);
      notifyDestroyed();
   }
  }
}