AudioPlayerpublic class AudioPlayer extends MIDlet implements CommandListener| 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. |
| Fields Summary |
|---|
| private static PlayerCanvas | playerGUI | | private static List | theList | | private static Vector | urls | | private Command | exitCommand | | private Command | playCommand | | private Display | display |
| Constructors Summary |
|---|
public AudioPlayer()
super();
|
| Methods Summary |
|---|
| 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);
}
}
| | public void | destroyApp(boolean unconditional)
if (playerGUI != null) {
playerGUI.stopSound();
playerGUI = null;
}
display.setCurrent(null);
| | public static java.util.List | getList()
return theList;
| | private void | initPlayList()load the play list from thd jad file
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);
| | public void | pauseApp()
| | public void | startApp()
display = Display.getDisplay(this);
initPlayList();
display.setCurrent(theList);
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