How to correct this code, this is going to be an applet.

import javax.media.*;
import javax.swing.*;
public class MediaPlay extends JApplet
private javax.media.bean.playerbean.MediaPlayer mediaPlayer1;
public static void main(String[] args)
JFrame what = new JFrame();
MediaPlay bob = new MediaPlay();
bob.start();
this.getContentPane().add(bob);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setSize(500,300);
this.setVisible(true);
MediaLocator ml;
public MediaPlay()
initComponents ();
public void start()
try
mediaPlayer1.setMediaLocation(new java.lang.String("busted.mp3"));
mediaPlayer1.start();
catch( Exception e ){e.printStackTrace();
private void initComponents ()
mediaPlayer1 = new javax.media.bean.playerbean.MediaPlayer ();
setLayout (new java.awt.BorderLayout ());
add (mediaPlayer1, java.awt.BorderLayout.CENTER);
}

Just a guess, but you'll probably need to familiarize yourself with this:
FAQ - Applet Security
Java Glossary : signed Applets
Signed Applets, Browsers, and File Access
JDK 1.2 - Signed Applet Example
Good luck!
~

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    ok, thanks for your reply ! I run this code in the Flex builder 3!and the Ball class and the Chain class are all in the same AS project!
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    2010-04-21
    Fang
    发件人: Ned Murphy <[email protected]>
    发送时间: 2010-04-20 23:01
    主 题: how  can i run this code correctly?
    收件人: fang alvin <[email protected]>
    I don't see that the Ball class has a pv property, or that you even try to access a pv property in the Chain class.  All of the properties in your Ball class are declared as private, so you probably cannot access them directly.  They would need to be public.  Also, I still don't see where you import Ball in the chain class such that it can use it.

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    Imho he means the following.
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    public string State { get { return this.joyState; } }
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    private void UpdateInputState() { }
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  • How to optimize the performance of this code ?

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    2. Memory management affects CPU/GPU usage, so everything in the Memory Management section could also be listed in the CPU/GPU section.
    Anyway, I am going to also list the information two other ways, from easiest to hardest to implement and from greatest to least benefit.
    Both of those later listings are subjective and are dependent on developer experience and capabilities, as well as, the test situation and test environment. I very much doubt there would be a consensus on ordering of these lists.  Nevertheless, I think they still are worthwhile.
    Easiest to Hardest to Implement
    1.  Do not use Filters.
    2.  Always use reverse for-loops and avoid do-loops and avoid while-loops.
    3.  Explicitly stop Timers to ready them for gc (garbage collection).
    4.  Use weak event listeners and remove listeners.
    5.  Strictly type variables whenever possible.
    6.  Explicitly disable mouse interactivity when mouse interactivity not needed.
    7.  Replace dispatchEvents with callback functions whenever possible.
    8.  Stop Sounds to enable Sounds and SoundChannels to be gc'd.
    9.  Use the most basic DisplayObject needed.
    10. Always use cacheAsBitmap and cacheAsBitmapMatrix with air apps (i.e., mobile devices).
    11. Reuse Objects whenever possible.
    12. Event.ENTER_FRAME loops: Use different listeners and different listener functions applied to as few DisplayObjects as possible.
    13. Pool Objects instead of creating and gc'ing Objects.
    14. Use partial blitting.
    15. Use stage blitting.
    16. Use Stage3D
    Greatest to Least Benefit
    Use stage blitting (if there is enough system memory).
    Use Stage3D.
    Use partial blitting.
    Use cacheAsBitmap and cacheAsBitmapMatrix with mobile devices.
    Explicitly disable mouse interactivity when mouse interactivity not needed.
    Do not use Filters.
    Use the most basic DisplayObject needed.
    Reuse Objects whenever possible.
    Event.ENTER_FRAME loops: Use different listeners and different listener functions applied to as few DisplayObjects as possible.
    Use reverse for-loops and avoid do-loops and while-loops.
    Pool Objects instead of creating and gc'ing Objects.
    Strictly type variables whenever possible.
    Use weak event listeners and remove listeners.
    Replace dispatchEvents with callback functions whenever possible.
    Explicitly stop Timers to ready for gc.
      16. Stop Sounds to enable Sounds and SoundChannels to be gc'd.

  • How to transport this code to an applet

    Hi friends..
    the following page has a program to capture images from a web-cam.. can u help me how to transport that code into an applet. So that i can import that applet into an html page, where the live video can be streamed.
    the link is :- http://forum.java.sun.com/thread.jspa?threadID=247253&start=0&tstart=0
    i tried this code. but on html page the code is not being initialized, though the program is getting compiled correctly.
    import javax.swing.*;
    import javax.swing.event.*;
    import java.io.*;
    import javax.media.*;
    import javax.media.format.*;
    import javax.media.util.*;
    import javax.media.control.*;
    import javax.media.protocol.*;
    import java.util.*;
    import java.awt.*;
    import java.awt.image.*;
    import java.awt.event.*;
    import java.applet.*;
    import com.sun.image.codec.jpeg.*;
    public class applet extends JApplet{
       static final int    WIDTH  = 320;
        static final int    HEIGHT = 320;
        //public intoApplet d = null;
        public static void main(String args[]){
             JFrame frame = new JFrame("Code Converter");
             applet a = new applet();
             a.init();
             frame.getContentPane().add(a);
             frame.setSize(WIDTH, HEIGHT);
             frame.setVisible(true);
        public void init() {
          System.out.println("Applet initializing");
          intoApplet d = new intoApplet();
          getContentPane().add(d);
        public void start() {
            System.out.println("Applet starting");
        public void stop() {
            System.out.println("Applet stopping");
        public void destroy() {
            System.out.println("Applet destroyed");
    public class intoApplet extends JPanel //implements ActionListener
      public Player player = null;
      public CaptureDeviceInfo di = null;
      public MediaLocator ml = null;
      public JButton capture = null;
      public Buffer buf = null;
      public Image img = null;
      public VideoFormat vf = null;
      public BufferToImage btoi = null;
      //public ImagePanel imgpanel = null;
      public intoApplet()
           System.out.print("into swing...");
        setLayout(new BorderLayout());
        setSize(320,320);
        String str1 = "vfw:Logitech USB Video Camera:0";
        String str2 = "vfw:Microsoft WDM Image Capture (Win32):0";
        di = CaptureDeviceManager.getDevice(str2);
        //ml = di.getLocator();
        ml = new MediaLocator("vfw://0");
        try
          player = Manager.createRealizedPlayer(ml);
          player.start();
          Component comp;
          if ((comp = player.getVisualComponent()) != null)
            add(comp,BorderLayout.NORTH);
          //add(capture,BorderLayout.CENTER);
          //add(imgpanel,BorderLayout.SOUTH);
        catch (Exception e)
          e.printStackTrace();
    public void playerclose()
        player.close();
        player.deallocate();
    }Message was edited by:
    rahulsah

    Maybe this topic helps (JUnit into Applet):
    http://forum.java.sun.com/thread.jspa?threadID=5130219&messageID=9469005#9469005

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