/* * * Copyright (c) 2007, Sun Microsystems, Inc. * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * *  * Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. *  * Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. *  * Neither the name of Sun Microsystems nor the names of its contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */package example.audiodemo;import java.io.*;import java.util.*;import javax.microedition.lcdui.*;import javax.microedition.media.*;import javax.microedition.media.control.*;import javax.microedition.midlet.*;/** * This is a demo midlet to show the basic audio functionalities, to * play wave file, tone, tone sequence from http, resource jar file * and record store. * * @version * */public class AudioPlayer extends MIDlet implements CommandListener {    private static PlayerCanvas playerGUI = null;    private static List theList;    private static Vector urls;    private Command exitCommand = new Command("Exit", Command.EXIT, 1);    private Command playCommand = new Command("Play", Command.ITEM, 1);    private Display display;    // pause/resume support    private boolean restartOnResume = false;    public AudioPlayer() {        super();        display = Display.getDisplay(this);        initPlayList();        display.setCurrent(theList);    }    public static List getList() {        return theList;    }    /**     * Called when this MIDlet is started for the first time,     * or when it returns from paused mode.     * If a player is visible, and it was playing     * when the MIDlet was paused, call its playSound method.     */    public void startApp() {        if ((playerGUI != null) && restartOnResume) {            playerGUI.playSound();        }        restartOnResume = false;    }    /**     * Called when this MIDlet is paused.     * If the player GUI is visible, call its pauseSound method.     * For consistency across different VM's     * it's a good idea to stop the player if it's currently     * playing.     */    public void pauseApp() {        restartOnResume = ((playerGUI != null) && playerGUI.isPlaying());        if (restartOnResume) {            playerGUI.pauseSound();        }    }    /**     * Destroy must cleanup everything not handled     * by the garbage collector.     */    public void destroyApp(boolean unconditional) {        if (playerGUI != null) {            playerGUI.stopSound();            playerGUI = null;        }        display.setCurrent(null);    }    public void commandAction(Command c, Displayable s) {        if (c == exitCommand) {            destroyApp(true);            notifyDestroyed();        } else if (((s == theList) && (c == List.SELECT_COMMAND)) || (c == playCommand)) {            int i = theList.getSelectedIndex();            if (i == 0) { // Simple tone                try {                    Manager.playTone(60, 200, 90);                } catch (MediaException ex) {                    System.out.println("can't play tone");                }            } else if (i > 0) {                if (playerGUI == null) {                    playerGUI = new PlayerCanvas(display);                } else {                    playerGUI.stopSound();                }                playerGUI.setParam((String)urls.elementAt(i));                playerGUI.playSound();                display.setCurrent(playerGUI);            }        }    }    /**     * load the play list from thd jad file     *     **/    private void initPlayList() {        urls = new Vector();        theList = new List("MIDP Audio Player", Choice.IMPLICIT);        for (int n = 1; n < 32; n++) {            String nthURL = "PlayerURL-" + n;            String url = getAppProperty(nthURL);            if ((url == null) || (url.length() == 0)) {                break;            }            String nthTitle = "PlayerTitle-" + n;            String title = getAppProperty(nthTitle);            if ((title == null) || (title.length() == 0)) {                title = url;            }            urls.addElement(url);            theList.append(title, null);        }        theList.addCommand(exitCommand);        theList.addCommand(playCommand);        theList.setCommandListener(this);    }}