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import java.io.InputStream;
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.List;
import javax.microedition.media.Manager;
import javax.microedition.media.Player;
import javax.microedition.midlet.MIDlet;
public class AudioMIDlet extends MIDlet implements CommandListener, Runnable {
private Display mDisplay;
private List mMainScreen;
public void startApp() {
mDisplay = Display.getDisplay(this);
if (mMainScreen == null) {
mMainScreen = new List("AudioMIDlet", List.IMPLICIT);
mMainScreen.append("Via HTTP", null);
mMainScreen.append("From resource", null);
mMainScreen.addCommand(new Command("Exit", Command.EXIT, 0));
mMainScreen.addCommand(new Command("Play", Command.SCREEN, 0));
mMainScreen.setCommandListener(this);
}
mDisplay.setCurrent(mMainScreen);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command c, Displayable s) {
if (c.getCommandType() == Command.EXIT)
notifyDestroyed();
else {
Form waitForm = new Form("Loading...");
mDisplay.setCurrent(waitForm);
Thread t = new Thread(this);
t.start();
}
}
public void run() {
String selection = mMainScreen.getString(mMainScreen.getSelectedIndex());
boolean viaHttp = selection.equals("Via HTTP");
if (viaHttp)
playViaHttp();
else
playFromResource();
}
private void playViaHttp() {
try {
Player player = Manager.createPlayer("http://www.y.com/a.wav");
player.start();
} catch (Exception e) {
showException(e);
return;
}
mDisplay.setCurrent(mMainScreen);
}
private void playFromResource() {
try {
InputStream in = getClass().getResourceAsStream("/relax.wav");
Player player = Manager.createPlayer(in, "audio/x-wav");
player.start();
} catch (Exception e) {
showException(e);
return;
}
mDisplay.setCurrent(mMainScreen);
}
private void showException(Exception e) {
Alert a = new Alert("Exception", e.toString(), null, null);
a.setTimeout(Alert.FOREVER);
mDisplay.setCurrent(a, mMainScreen);
}
}
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