| Methods Summary |
|---|
| private void | changeVolume(int diff)
VolumeControl vc;
if ( player != null) {
vc = (VolumeControl) player.getControl("VolumeControl");
if (vc != null) {
int cv = vc.getLevel();
cv += diff;
cv = vc.setLevel(cv);
}
}
|
| public void | commandAction(Command c, Displayable s)
if (s == this) {
if (c == backCommand) {
stopSound();
removeCommand(playCommand);
addCommand(pauseCommand);
parentDisplay.setCurrent(AudioPlayer.getList());
} else if (c == playCommand) {
playSound();
removeCommand(playCommand);
addCommand(pauseCommand);
} else if (c == pauseCommand) {
pauseSound();
removeCommand(pauseCommand);
addCommand(playCommand);
}
}
|
| private void | createMyRecordStore()
try {
int idx = url.indexOf(':");
String loc = url.substring(idx+1);
InputStream is = getClass().getResourceAsStream(loc);
byte[] data = new byte[4096];
int nread = 0, tmp;
while ( (tmp = is.read(data, nread, 1024)) > 0 ) {
nread += tmp;
}
is.close();
// create a RecordStore
RecordStore rs = RecordStore.openRecordStore("adrms", true);
//int id = rs.addRecord(data, 0, data.length);
int id = rs.addRecord(data, 0, nread);
rs.closeRecordStore();
System.out.println("create a new record store");
} catch (Exception ex) {
ex.printStackTrace();
}
|
| void | createPlayer()
try {
if (url.startsWith("http:")) {
player = Manager.createPlayer(url);
} else if (url.startsWith("resource")) {
int idx = url.indexOf(':");
String loc = url.substring(idx+1);
InputStream is = getClass().getResourceAsStream(loc);
String ctype;
if (url.endsWith("wav")) {
ctype = "audio/x-wav";
} else {
ctype = "audio/x-tone-seq";
}
player = Manager.createPlayer(is, ctype);
} else if (url.startsWith("rms:")) {
boolean found = false;
InputStream stream = null;
try {
RecordStore rs = RecordStore.openRecordStore("adrms", false);
byte[] adata = rs.getRecord(1);
rs.closeRecordStore();
stream = new ByteArrayInputStream(adata);
found = true;
} catch (Exception ex) {
found = false;
createMyRecordStore();
}
if (!found) {
RecordStore rs = RecordStore.openRecordStore("adrms", false);
byte[] adata = rs.getRecord(1);
rs.closeRecordStore();
stream = new ByteArrayInputStream(adata);
}
String ctype;
if (url.endsWith("wav")) {
ctype = "audio/x-wav";
} else {
ctype = "audio/x-tone-seq";
}
player = Manager.createPlayer(stream, ctype);
}
player.setLoopCount(-1);
} catch (Exception ex) {
if (player != null) {
player.close();
player = null;
}
Alert alert = new Alert("Warning", "Cannot create player", null, null);
alert.setTimeout(1000);
parentDisplay.setCurrent(alert);
}
|
| private void | initialize()
this.addCommand(backCommand);
this.addCommand(pauseCommand);
setCommandListener(this);
try {
logo = Image.createImage("/icons/logo.png");
} catch (Exception ex) {
logo = null;
}
if ( logo == null)
System.out.println("can not load logo.png");
|
| protected void | keyPressed(int keycode)
switch (keycode) {
case KEY_STAR:
changeVolume(-10);
break;
case KEY_POUND:
changeVolume(10);
break;
}
|
| public void | paint(Graphics g)
int w = getWidth();
int h = getHeight();
g.setColor(0);
g.fillRect(0, 0, w, h);
g.setColor(0xFF7f00);
g.drawString("Audio Player", w/2, 8, Graphics.TOP | Graphics.HCENTER);
if ( logo != null ) {
g.drawImage(logo, w/2, 30, Graphics.TOP | Graphics.HCENTER);
}
g.setColor(0xFF7f00);
g.drawString("Audio Player", w/2, 8, Graphics.TOP | Graphics.HCENTER);
g.drawString(title, w/2, 84, Graphics.TOP | Graphics.HCENTER);
g.drawString(mtime, 0, 150, Graphics.TOP | Graphics.LEFT);
|
| void | pauseSound()
try {
if (player != null)
player.stop();
} catch (MediaException ex){}
|
| public void | playSound()
if (title == null || url == null)
return;
if (dThread == null) {
dThread = new Thread(this);
mtime = "";
disMTime = true;
interrupted = false;
dThread.start();
} else if (player != null) {
try {
player.start();
} catch (Exception ex){}
}
|
| public void | run()
if (player == null) {
try {
// method playSound() runs on GUI thread.
// Manager.createPlayer() will potentially invoke a blocking
// I/O. This is not the good practice recommonded by MIDP
// programming style. So here we will create the
// Player in a separate thread.
createPlayer();
player.realize();
long dur = player.getDuration();
if (dur != -1)
title = title + " [" + timeFM(dur)+ "]";
player.start();
} catch (Exception ex){}
}
while (!interrupted) {
try {
if (disMTime) {
mtime = timeFM(player.getMediaTime());
repaint(0,110, 100, 170);
}
Thread.sleep(100);
} catch (Exception ex){}
}
|
| public void | setParam(java.lang.String url)
this.url = url;
int idx = url.lastIndexOf('/");
title = url.substring(idx+1);
|
| public void | stopSound()
try {
interrupted = true;
disMTime = false;
dThread = null;
Thread.sleep(100);
if (player != null) {
player.close();
player = null;
}
} catch (Exception ex) {}
|
| private java.lang.String | timeFM(long val)
String ret = "";
int mval = (int)(val/1000);
int sec = mval/1000;
int min = sec/60;
if (min >= 10)
ret = ret + min + ":";
else if (min > 0)
ret = "0" + min + ":";
else
ret = "00:";
if (sec >= 10)
ret = ret + sec + ".";
else if (sec > 0)
ret = ret + "0" + sec + ".";
else
ret = ret + "00.";
mval = (mval % 1000) / 100;
ret = ret + mval;
return (ret);
|
