This example is all about how to play the MPEG files on your mobile device. To play the video file we have to import the javax.microedition.media.control package and certain sub-package that are required for the application.

Video Player MIDlet Example

     

This example is all about how to play the MPEG files on your mobile device. To play the video file we have to import the javax.microedition.media.control package and certain sub-package that are required for the application. 

Given are the classes and interfaces that are available in the above mentioned package.

 

 

 

 

 

javax.microedition.media  Interfaces  Control  Controllable  Player  PlayerListener  TimeBase  Classes  Manager  Exceptions  MediaException

 

javax.microedition.media.control  Interfaces  FramePositioningControl  GUIControl  MetaDataControl  MIDIControl  PitchControl  RateControl  RecordControl  StopTimeControl  TempoControl  ToneControl  VideoControl  VolumeControl

The Application is as follows:

 

 

Source Code of VideoPlayer.java

import java.io.*;
import java.util.*;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
import javax.microedition.media.*;
import javax.microedition.media.control.*;

public class VideoPlayer extends MIDlet implements CommandListener, 
PlayerListener {  
  private Display display;
  private List itemList;
  private Form form;
  private Command stop, pause, start;
  private Hashtable items, itemsInfo;
  private Player player;

  public VideoPlayer() {
  display = Display.getDisplay(this);
  itemList = new List("Select an item to play", List.IMPLICIT);
  stop = new Command("Stop", Command.STOP, 1);
  pause = new Command("Pause", Command.ITEM, 1);
  start = new Command("Start", Command.ITEM, 1);
  form = new Form("Playing video");
  form.addCommand(stop);
  form.addCommand(pause);
  form.setCommandListener(this);
  items = new Hashtable();
  itemsInfo = new Hashtable();

  items.put("SpringWaterFall...", "file://SpringWaterFall.mpg");
  itemsInfo.put("SpringWaterFall...", "video/mpeg");
  
  items.put("helloboy...", "file://helloboy.mpg");
  itemsInfo.put("helloboy...", "video/mpeg");

  items.put("pilgrim...", "file://pilgrim.mpg");
  itemsInfo.put("pilgrim...", "video/mpeg");

  items.put("pirates...", "file://pirates.mpg");
  itemsInfo.put("pirates...", "video/mpeg");

  items.put("pythag1...", "file://pythag1.mpg");
  itemsInfo.put("pythag1...", "video/mpeg");
  
  items.put("CarelessEnglish...", "file://CarelessEnglish.mpg");
  itemsInfo.put("CarelessEnglish...", "video/mpeg");
  }

  public void startApp() {
  for(Enumeration en = items.keys(); en.hasMoreElements();) {
  itemList.append((String)en.nextElement(), null);
  }
  itemList.setCommandListener(this);
  display.setCurrent(itemList);
  }

  public void pauseApp() {
  try {
  if(player != null) player.stop();
  } catch(Exception e) {}
  }

  public void destroyApp(boolean unconditional) {
  if(player != null) player.close();
  }

  public void commandAction(Command c, Displayable d){
  if(d instanceof List) {
  List list = ((List)d);  
  String key = list.getString(list.getSelectedIndex());
  try {
  playAudio((String)items.get(key), key);
  } catch (Exception e) {
  System.err.println("Unable to play: " + e);
  e.printStackTrace();
  }
  } else if(d instanceof Form){
  try {
  if(c == stop){
  player.close();
  display.setCurrent(itemList);
  form.removeCommand(start);
  form.addCommand(pause);
  } else if(c == pause){
  player.stop();
  form.removeCommand(pause);
  form.addCommand(start);
  } else if(c == start){
  player.start();
  form.removeCommand(start);
  form.addCommand(pause);
  }
  } catch(Exception e) {
  System.err.println(e);
  }
  }
  }

  private void playAudio(String locator, String key) throws Exception {
  String file = locator.substring(locator.indexOf("file://") + 6, 
locator.length());
  player = Manager.createPlayer(getClass().getResourceAsStream(file), 
(String)itemsInfo.get(key));
  player.addPlayerListener(this);
  player.setLoopCount(-1);
  player.prefetch();
  player.realize();
  player.start();
  }

  public void playerUpdate(Player player, String event, Object eventData) {
  if(event.equals(PlayerListener.STARTED) && new Long(0L).equals((Long)
eventData)) {
  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();
  }
  }
}

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