Selecting two videos in one applet wothout errors?
Hello there,
I have created an applet that allows the user to swap the videos that are been displayed with radio buttons. The intention is for the radio button to remove the original video and display the other one. I end up with both of them on the screen at the same time and the controls go a bit mental. There were a lot more problems to begin with but I solved them by using the online help and the documentation. However, I have got stuck with this problem. It might be easy to solve and all it needs is a fresh and more experienced pair of eyes to look at it.
I am still new to the JMF and inexperienced at programming on the whole so any help will be appreciated.
The code is below, thanks in advance John,
<HTML>
<HEAD>
<TITLE>Zombie Tuition Practice</TITLE>
</HEAD>
<BODY>
<APPLET CODE="zombieStage1.class" WIDTH=800 HEIGHT=400>
<PARAM NAME="ASSET" VALUE="bailey.mpg">
<<param name="ASSET2" value="movie.mpg"/>
</APPLET>
</BODY>
</HTML>
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
import javax.media.*;
public class zombieStage1 extends Applet implements ControllerListener, ItemListener {
private URL myURL = null;
private URL myURL2 = null;
private Player myPlayer = null;
private Component myVisual = null;
private Component myControls = null;
private Panel visualPanel = null;
CheckboxGroup slowreg;
Checkbox slow, regular;
Panel panel;
public void init() {
super.init();
setLayout (new BorderLayout());
panel = new Panel();
add(panel, BorderLayout.CENTER);
slowreg = new CheckboxGroup();
slow = new Checkbox("Slow", false, slowreg);
panel.add(slow,BorderLayout.CENTER);
slow.addItemListener(this);
regular = new Checkbox("Regular", true, slowreg);
panel.add(regular,BorderLayout.CENTER);
regular.addItemListener(this);
String asset = getParameter("ASSET");
String asset2 = getParameter("ASSET2");
if (asset.equals("")&& asset2.equals("")) {
} else {
try {
myURL = new URL(getDocumentBase(),asset);
myURL2 = new URL(getDocumentBase(),asset2);
} catch (MalformedURLException e) {
try {
if (slow.getState() == true)
myPlayer = Manager.createPlayer(myURL);
}else if (regular.getState() == true)
myPlayer = Manager.createPlayer(myURL2);
myPlayer.addControllerListener(this);
} catch (IOException e) {
System.out.println("I/O problem attempting to create player...exiting");
System.exit(1);
} catch (NoPlayerException e) {
System.out.println("No usable Player returned...exiting");
System.exit(1);
public void itemStateChanged(ItemEvent e){
if(e.getItemSelectable() == slow){
try {
myPlayer.stop();
visualPanel.remove(myVisual);
remove(visualPanel);
myPlayer = Manager.createPlayer(myURL);
visualPanel.add(myVisual);
add(visualPanel,BorderLayout.NORTH);
myPlayer.addControllerListener(this);
myPlayer.realize();
} catch (IOException io) {
System.out.println("I/O problem attempting to create player...exiting");
System.exit(1);
} catch (NoPlayerException io) {
System.out.println("No usable Player returned...exiting");
System.exit(1);
else if(e.getItemSelectable() == regular){
try {
myPlayer.stop();
visualPanel.remove(myVisual);
remove(visualPanel);
myPlayer = Manager.createPlayer(myURL2);
visualPanel.add(myVisual);
add(visualPanel,BorderLayout.NORTH);
myPlayer.addControllerListener(this);
myPlayer.realize();
} catch (IOException io) {
System.out.println("I/O problem attempting to create player...exiting");
System.exit(1);
} catch (NoPlayerException io) {
System.out.println("No usable Player returned...exiting");
System.exit(1);
public void start() {
myPlayer.realize();
public void stop() {
myPlayer.stop();
myPlayer.deallocate();
public void controllerUpdate(ControllerEvent event) {
if (event instanceof RealizeCompleteEvent) {
myVisual = myPlayer.getVisualComponent();
if (myVisual != null) {
visualPanel = new Panel();
visualPanel.setLayout(new FlowLayout());
visualPanel.add(myVisual);
add(visualPanel,BorderLayout.NORTH);
myControls = myPlayer.getControlPanelComponent();
if (myControls != null) {
add(myControls,BorderLayout.SOUTH);
validate();
}
I have figured it out so don't worry this message.
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