demointro.java

这是我在测试手机java时候做的java菜单程序

         // Go to "error" screen
         display.setCurrent(errorScreen);
         return;
      }*/

      // Destroy this midlet, allowing new midlet to be scheduled instead
      destroyApp(true);
      notifyDestroyed();
   }

   /**
    * Handles commands.
    */
   public void commandAction(Command c, Displayable s)
   {
      if (c == skipCommand)
      {
         if ( introMusic != null )
         {
            introMusic.close();
            introMusic = null;
         }
 
         // Schedule menu MIDlet in place of this one
         scheduleMenuMidlet();
      }
      else if (c == exitCommand)
      {
         if ( introMusic != null )
         {
            introMusic.close();
            introMusic = null;
         }

         // Destroy this MIDlet to exit Java
         destroyApp(true);
         notifyDestroyed();
      }
   }

   /**
    * Starts the MIDlet.
    */
   public void startApp()
   {
      // Save display
      display = Display.getDisplay(this);

      // Get music ready
      try 
      {
         introMusic = Manager.createPlayer( "file:///fs/media/breeze.mid");
         introMusic.realize();
         volControl = introMusic.getControl( 
                    "javax.microedition.media.control.VolumeControl");
         ((VolumeControl)volControl).setLevel( 100 );
      }
      catch ( Exception e )
      {
         System.out.println( e.getMessage() );
      }

      try 
      {
         introMusic.start();
      }
      catch ( Exception e )
      {
         System.out.println (" Cannot start intro music" + e.getMessage());
      }

      // Initialize screen animation step counter
      animationStep = (ANIMATION_TIME / ANIMATION_STEP_TIME);

      // Go to main screen
      display.setCurrent(screen);

      // Initialize timer task to animate screen
      animatorTask = new TimerTask()
      {
         public void run()
         {
            // Step animation and cancel timer when done
            if (--animationStep == 0)
            {
               cancel();
            }

            // Request screen update
            screen.repaint();
         }
      };
      new Timer().scheduleAtFixedRate(
         animatorTask, ANIMATION_STEP_TIME, ANIMATION_STEP_TIME );

      // Initialize timer task to wait for demo to finish
      waiterTask = new TimerTask()
      {
         public void run()
         {
            // Schedule menu MIDlet in place of this one
            scheduleMenuMidlet();
         }
      };
      new Timer().schedule(waiterTask, TOTAL_TIME);
   }

   /**
    * Prepares the MIDlet to be paused (and possibly later started again).
    */
   public void pauseApp()
   {
      destroyApp (true);
   }

   /**
    * Prepares the MIDlet to be destroyed.
    */
   public void destroyApp(boolean unconditional)
   {
      if ( introMusic != null )
      {
         introMusic.close();
         introMusic = null;
      }

      // Cancel animator and waiter timer tasks
      animatorTask.cancel();
      waiterTask.cancel();
   }

   /*=============================================================*
    * The remainder of this class consists of "hardcoded" images. *
    *=============================================================*/

   // Image for "Qualcomm" logo (from qualcomm.png)
   static private byte[] qualcommImgData =
   {
      (byte)0x89, (byte)0x50, (byte)0x4e, (byte)0x47, (byte)0x0d, (byte)0x0a,
      (byte)0x1a, (byte)0x0a, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x0d,
      (byte)0x49, (byte)0x48, (byte)0x44, (byte)0x52, (byte)0x00, (byte)0x00,
      (byte)0x00, (byte)0x4c, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x10,
      (byte)0x08, (byte)0x03, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x8b,
      (byte)0x05, (byte)0x69, (byte)0x95, (byte)0x00, (byte)0x00, (byte)0x00,
      (byte)0x33, (byte)0x50, (byte)0x4c, (byte)0x54, (byte)0x45, (byte)0xff,
      (byte)0xff, (byte)0xff, (byte)0x00, (byte)0x33, (byte)0x99, (byte)0xcc,
      (byte)0xcc, (byte)0xff, (byte)0x33, (byte)0x66, (byte)0x99, (byte)0x99,
      (byte)0x99, (byte)0xcc, (byte)0x66, (byte)0x99, (byte)0xcc, (byte)0xcc,
      (byte)0xcc, (byte)0xcc, (byte)0x33, (byte)0x66, (byte)0xcc, (byte)0x99,
      (byte)0xcc, (byte)0xcc, (byte)0x33, (byte)0x33, (byte)0x99, (byte)0x66,
      (byte)0x66, (byte)0xcc, (byte)0xcc, (byte)0xff, (byte)0xff, (byte)0x66,
      (byte)0x66, (byte)0x99, (byte)0x66, (byte)0x99, (byte)0x99, (byte)0xff,
      (byte)0xcc, (byte)0xff, (byte)0x99, (byte)0xcc, (byte)0xff, (byte)0x00,
      (byte)0x66, (byte)0x99, (byte)0xa9, (byte)0x5c, (byte)0x8f, (byte)0x31,
      (byte)0x00, (byte)0x00, (byte)0x01, (byte)0x16, (byte)0x49, (byte)0x44,
      (byte)0x41, (byte)0x54, (byte)0x78, (byte)0x9c, (byte)0xcd, (byte)0x53,
      (byte)0x4b, (byte)0x96, (byte)0xc3, (byte)0x30, (byte)0x08, (byte)0x43,
      (byte)0xf8, (byte)0x9b, (byte)0xa4, (byte)0xaf, (byte)0xd3, (byte)0xfb,
      (byte)0x9f, (byte)0x76, (byte)0x40, (byte)0xd8, (byte)0x8e, (byte)0xbb,
      (byte)0x9d, (byte)0x97, (byte)0xc5, (byte)0xb0, (byte)0x50, (byte)0x1c,
      (byte)0x02, (byte)0x12, (byte)0x60, (byte)0x22, (byte)0xe2, (byte)0x96,
      (byte)0x01, (byte)0x14, (byte)0x79, (byte)0xc4, (byte)0x9c, (byte)0xca,
      (byte)0x2d, (byte)0x3d, (byte)0xc0, (byte)0x75, (byte)0x62, (byte)0x99,
      (byte)0x48, (byte)0x45, (byte)0x15, (byte)0x21, (byte)0x6d, (byte)0xf1,
      (byte)0x93, (byte)0xb8, (byte)0x6f, (byte)0xc8, (byte)0xa9, (byte)0x04,
      (byte)0xba, (byte)0xb7, (byte)0x11, (byte)0xcb, (byte)0x17, (byte)0xaa,
      (byte)0x85, (byte)0x5e, (byte)0x2b, (byte)0x02, (byte)0x38, (byte)0x37,
      (byte)0x32, (byte)0x72, (byte)0x07, (byte)0x99, (byte)0xcb, (byte)0x25,
      (byte)0x68, (byte)0x08, (byte)0x5a, (byte)0x6c, (byte)0xa2, (byte)0xb7,
      (byte)0x11, (byte)0xd3, (byte)0xc2, (byte)0x57, (byte)0x12, (byte)0x0f,
      (byte)0x79, (byte)0x47, (byte)0x89, (byte)0x9e, (byte)0xde, (byte)0x27,
      (byte)0x59, (byte)0xde, (byte)0xc8, (byte)0xa2, (byte)0xbc, (byte)0x1b,
      (byte)0x63, (byte)0xc2, (byte)0x86, (byte)0x79, (byte)0xc3, (byte)0x1e,
      (byte)0x9c, (byte)0x73, (byte)0x56, (byte)0xc6, (byte)0xdb, (byte)0xab,
      (byte)0x3b, (byte)0xdd, (byte)0x63, (byte)0x49, (byte)0xe3, (byte)0x61,
      (byte)0x0d, (byte)0x5f, (byte)0x77, (byte)0x3f, (byte)0x05, (byte)0xa6,
      (byte)0x63, (byte)0x4a, (byte)0x76, (byte)0x28, (byte)0xb8, (byte)0xcf,
      (byte)0x7d, (byte)0xa8, (byte)0x46, (byte)0x93, (byte)0xa1, (byte)0x7a,
      (byte)0xce, (byte)0x36, (byte)0xd5, (byte)0x52, (byte)0xa3, (byte)0x08,
      (byte)0xe6, (byte)0xf3, (byte)0x6b, (byte)0x0f, (byte)0x45, (byte)0xf7,
      (byte)0xb1, (byte)0xe9, (byte)0x81, (byte)0x20, (byte)0x1e, (byte)0x58,
      (byte)0xa3, (byte)0x99, (byte)0x64, (byte)0x6d, (byte)0x92, (byte)0xc5,
      (byte)0x7c, (byte)0x82, (byte)0x50, (byte)0xc7, (byte)0x8c, (byte)0x19,
      (byte)0x78, (byte)0xe0, (byte)0xc2, (byte)0x87, (byte)0x69, (byte)0x69,
      (byte)0x43, (byte)0xef, (byte)0xfa, (byte)0x58, (byte)0xdd, (byte)0x52,
      (byte)0xdf, (byte)0xda, (byte)0xef, (byte)0xc8, (byte)0xaa, (byte)0x24,
      (byte)0x6b, (byte)0xad, (byte)0x51, (byte)0xb6, (byte)0xd7, (byte)0xca,
      (byte)0xb1, (byte)0xf4, (byte)0xe4, (byte)0x89, (byte)0x2f, (byte)0x1c,
      (byte)0xb8, (byte)0x6b, (byte)0xf8, (byte)0x46, (byte)0x8b, (byte)0x99,
      (byte)0xa5, (byte)0xf9, (byte)0x85, (byte)0xc1, (byte)0x6e, (byte)0x93,
      (byte)0x1b, (byte)0xd7, (byte)0xc6, (byte)0x46, (byte)0xc4, (byte)0x0a,
      (byte)0xca, (byte)0x86, (byte)0x88, (byte)0x0a, (byte)0x95, (byte)0x58,
      (byte)0x89, (byte)0x3f, (byte)0xc4, (byte)0xec, (byte)0x8a, (byte)0x79,
      (byte)0xdc, (byte)0xc0, (byte)0x5c, (byte)0x34, (byte)0x37, (byte)0x43,
      (byte)0x0a, (byte)0x54, (byte)0xe5, (byte)0xbb, (byte)0x4a, (byte)0xcf,
      (byte)0x2f, (byte)0xf3, (byte)0x68, (byte)0x3b, (byte)0x6d, (byte)0xbe,
      (byte)0x85, (byte)0xd7, (byte)0x11, (byte)0x3f, (byte)0x4c, (byte)0xde,
      (byte)0xb0, (byte)0x4c, (byte)0x96, (byte)0xa2, (byte)0x19, (byte)0xfb,
      (byte)0xf4, (byte)0xfe, (byte)0x6e, (byte)0xeb, (byte)0x07, (byte)0x78,
      (byte)0x3f, (byte)0x40, (byte)0x66, (byte)0xb3, (byte)0xc7, (byte)0x43,
      (byte)0x75, (byte)0x4d, (byte)0xfb, (byte)0x6f, (byte)0x64, (byte)0xbf,
      (byte)0x4b, (byte)0xb4, (byte)0x04, (byte)0x86, (byte)0x3f, (byte)0x2c,
      (byte)0x73, (byte)0xc8, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
      (byte)0x49, (byte)0x45, (byte)0x4e, (byte)0x44, (byte)0xae, (byte)0x42,
      (byte)0x60, (byte)0x82
   };
   static private Image qualcommImg =
      Image.createImage(qualcommImgData, 0, qualcommImgData.length);

   // Image for "presents" (from presents.png)
   static private byte[] presentsImgData =
   {
      (byte)0x89, (byte)0x50, (byte)0x4e, (byte)0x47, (byte)0x0d, (byte)0x0a,
      (byte)0x1a, (byte)0x0a, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x0d,
      (byte)0x49, (byte)0x48, (byte)0x44, (byte)0x52, (byte)0x00, (byte)0x00,
      (byte)0x00, (byte)0x4c, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x10,
      (byte)0x08, (byte)0x02, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x33,
      (byte)0xb9, (byte)0x0e, (byte)0xf0, (byte)0x00, (byte)0x00, (byte)0x00,
      (byte)0xeb, (byte)0x49, (byte)0x44, (byte)0x41, (byte)0x54, (byte)0x78,
      (byte)0x9c, (byte)0xe5, (byte)0x96, (byte)0x5b, (byte)0x12, (byte)0x83,
      (byte)0x20, (byte)0x0c, (byte)0x45, (byte)0x93, (byte)0x8e, (byte)0xfb,
      (byte)0x61, (byte)0x0d, (byte)0x5d, (byte)0x19, (byte)0xc3, (byte)0xca,