Java Tutorial/J2ME/StopTimeControl

Stop Time Control

   <source lang="java">

import javax.microedition.lcdui.Alert; import javax.microedition.lcdui.rumand; import javax.microedition.lcdui.rumandListener; import javax.microedition.lcdui.Display; import javax.microedition.lcdui.Displayable; import javax.microedition.lcdui.List; import javax.microedition.media.Manager; import javax.microedition.media.Player; import javax.microedition.media.PlayerListener; import javax.microedition.media.control.StopTimeControl; import javax.microedition.midlet.MIDlet; public class StopTimeControlMIDlet extends MIDlet implements CommandListener, PlayerListener {

 private Display display = Display.getDisplay(this);
 private Alert alert = new Alert("Message");
 private List list = new List("Pick One", List.IMPLICIT);
 private Command exitCommand = new Command("Exit", Command.EXIT, 1);
 private Command okCommand = new Command("Ok", Command.OK, 1);
 private Player player = null;
 private StopTimeControl stControl = (StopTimeControl) player
 .getControl("javax.microedition.media.control.StopTimeControl");
 public StopTimeControlMIDlet() {
   alert.addCommand(exitCommand);
   list.append("Play full", null);
   list.append("Use StopTimeControl", null);
   list.addCommand(exitCommand);
   alert.addCommand(okCommand);
   alert.setCommandListener(this);
   list.setCommandListener(this);
   try {
     player = Manager.createPlayer(getClass().getResourceAsStream("/r.wav"), "audio/x-wav");
     player.addPlayerListener(this);
     player.prefetch();
   } catch (Exception e) {
   }
 }
 public void startApp() {
   display.setCurrent(list);
 }
 public void pauseApp() {
 }
 public void destroyApp(boolean unconditional) {
 }
 public void commandAction(Command cmd, Displayable disp) {
   if (cmd == exitCommand) {
     notifyDestroyed();
     return;
   }
   if (cmd == okCommand) {
     try {
       player.stop();
       display.setCurrent(list);
     } catch (Exception e) {
       e.printStackTrace();
     }
   }
   if (disp == list) {
     int selectedIdx = list.getSelectedIndex();
     display.setCurrent(alert);
     try {
       if (selectedIdx == 0) {
         if (player != null)
           player.start();
         alert.setString("Started without StopTimeControl ...");
       } else {
         stControl.setStopTime(player.getDuration() / 2);
         if (player != null)
           player.start();
         alert.setString("Started WITH StopTimeControl ...");
      }
     } catch (Exception e) {
       e.printStackTrace();
     }
   }
 }
 public void playerUpdate(Player player, String event, Object eventData) {
   if (event == STOPPED_AT_TIME) {
     alert.setString("Stopped at: " + eventData + " microseconds" + ", actual duration: "
         + player.getDuration() + " microseconds");
     alert.setTimeout(Alert.FOREVER);
     display.setCurrent(alert);
   }
 }

}</source>