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Hello
I want to write a application through which i can play the video,problem is in player.getControle("VideoControle") it is giving me the value null ,so plz tell me how to resolve this problem ,my code is below plz have a look Thanks Code:
import java.util.Hashtable;
import java.util.Enumeration;
import java.io.*;
import javax.microedition.lcdui.Item;
import javax.microedition.lcdui.List;
import javax.microedition.lcdui.Form;
import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.media.Player;
import javax.microedition.media.Manager;
import javax.microedition.media.PlayerListener;
import javax.microedition.media.control.VideoControl;
import javax.microedition.lcdui.*;
import javax.microedition.media.*;
import javax.microedition.media.control.*;
import javax.microedition.midlet.*;
public class MediaMIDlet extends MIDlet
implements CommandListener, PlayerListener {
public Display display=null;
private List itemList=null;
private Form form=null;
private Command stopCommand;
private Command pauseCommand;
private Command startCommand;
private Hashtable items;
private Hashtable itemsInfo;
Player player;
private VideoControl vc;
Item video;
public MediaMIDlet() {
display = Display.getDisplay(this);
// creates an item list to let you select multimedia files to play
itemList = new List("Select an item to play", List.IMPLICIT);
// stop, pause and restart commands
stopCommand = new Command("Stop", Command.STOP, 1);
pauseCommand = new Command("Pause", Command.ITEM, 1);
startCommand = new Command("Start", Command.ITEM, 1);
// a form to display when items are being played
form = new Form("Playing media");
// the form acts as the interface to stop and pause the media
form.addCommand(stopCommand);
form.addCommand(pauseCommand);
form.setCommandListener(this);
display.setCurrent(form);
// create a hashtable of items
items = new Hashtable();
// and a hashtable to hold information about them
itemsInfo = new Hashtable();
items.put("Video from jar", "file://bark.3gp");
itemsInfo.put("Video from jar", "Video/3gpp");
}
public void startApp() {
// when MIDlet is started, use the item list to display elements
for(Enumeration en = items.keys(); en.hasMoreElements();) {
itemList.append((String)en.nextElement(), null);
}
itemList.setCommandListener(this);
// show the list when MIDlet is started
display.setCurrent(itemList);
}
public void pauseApp() {
// pause the player
try {
if(player != null) player.stop();
} catch(Exception e) {}
}
public void destroyApp(boolean unconditional) {
if(player != null) player.close(); // close the player
}
public void commandAction(Command command, Displayable disp) {
// generic command handler
// if list is displayed, the user wants to play the item
if(disp instanceof List) {
List list = ((List)disp);
String key = list.getString(list.getSelectedIndex());
// try and play the selected file
try {
playMedia((String)items.get(key), key);
} catch (Exception e) {
System.err.println("Unable to play: " + e);
e.printStackTrace();
}
} else if(disp instanceof Form) {
// if showing form, means the media is being played
// and the user is trying to stop or pause the player
try {
if(command == stopCommand) { // if stopping the media play
player.close(); // close the player
display.setCurrent(itemList); // redisplay the list of media
form.removeCommand(startCommand); // remove the start command
form.addCommand(pauseCommand); // add the pause command
} else if(command == pauseCommand) { // if pausing
player.stop(); // pauses the media, note that it is called stop
form.removeCommand(pauseCommand); // remove the pause command
form.addCommand(startCommand); // add the start (restart) command
} else if(command == startCommand) { // if restarting
player.start(); // starts from where the last pause was called
form.removeCommand(startCommand);
form.addCommand(pauseCommand);
}
} catch(Exception e) {
System.err.println(e);
}
}
}
/* Creates Player and plays media for the first time */
private void playMedia(String locator, String key) throws Exception {
// locate the actual file, we are only dealing
// with file based media here
// create the player
// loading it as a resource and using information about it
InputStream is = getClass().getResourceAsStream("/bark.3gp");
player = Manager.createPlayer(is,"Video/3gpp");
// a listener to handle player events like starting, closing etc
player.addPlayerListener(this);
player.realize(); // realize
player.setLoopCount(-1); // play indefinitely
display.setCurrent(form);
player.prefetch(); // prefetch
player.start();
}
/* Handle player events */
public void playerUpdate(Player player, String event, Object eventData) {
// if the event is that the player has started, show the form
// but only if the event data indicates that the event relates to newly
// stated player, as the STARTED event is fired even if a player is
// restarted. Note that eventData indicates the time at which the start
// event is fired.
if(event.equals(PlayerListener.STARTED) ) {
// see if we can show a video control, depending on whether the media
// is a video or not
VideoControl vc = null;
if((vc = (VideoControl)player.getControl("VideoControl")) != null) {
Item videoDisp =
(Item)vc.initDisplayMode(vc.USE_GUI_PRIMITIVE, null);
form.append(videoDisp);
}
//display.setCurrent(form);
} else if(event.equals(PlayerListener.CLOSED)) {
form.deleteAll(); // clears the form of any previous controls
}
}
}
Last edited by ltomuta : 2008-04-17 at 07:55.
Reason: Please use [code][/code] tags
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| amitsrivastava |
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Feedback to Series 40 does not equal in any way to support for Series 40. Please post to the appropriate forum if you really expect somebody to answer to you in a timely fashion.
-- Lucian Today's useful link: On device debugging - screencasts Yesterday's useful link: How do I start programming for Symbian OS? Latest blog post: Build without an SDK, test without a device
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Which device are you talking about?
Hartti |
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hi hartti
I am using S60 developer tools and trying to run it on its emulator, and i also tried this on Nokia N73 ,but it is not working there also .But when i used the same code on sprint emulator ,i found that it is working fine ,plz tell me what is the problem. sorry for late Response and Thanks for your interest . Regards amit |
| amitsrivastava |
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