?? datagrammidlet.java
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/*
* @(#)DatagramMIDlet.java 1.6 03/03/02
*
* Copyright (c) 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms
*/
package example.datagram;
import javax.microedition.midlet.*;
import javax.microedition.io.*;
import javax.microedition.lcdui.*;
public class DatagramMIDlet extends MIDlet implements CommandListener {
private final static String SERVER = "Server";
private final static String CLIENT = "Client";
private static String[] names = {SERVER, CLIENT};
private static Display display;
private Form f;
ChoiceGroup cg;
private boolean isPaused;
private Command exitCommand = new Command("Exit", Command.EXIT, 1);
private Command startCommand = new Command("Start", Command.ITEM, 1);
public DatagramMIDlet() {
display = Display.getDisplay(this);
f = new Form("Datagram Demo");
cg = new ChoiceGroup("Please select peer",
Choice.EXCLUSIVE, names, null);
f.append(cg);
f.addCommand(exitCommand);
f.addCommand(startCommand);
f.setCommandListener(this);
display.setCurrent(f);
}
public static Display getDisplay() {
return display;
}
public boolean isPaused() {
return isPaused;
}
public void startApp() {
isPaused = false;
}
public void pauseApp() {
isPaused = true;
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command c, Displayable s) {
if (c == exitCommand) {
destroyApp(true);
notifyDestroyed();
} else if (c == startCommand) {
String name = cg.getString(cg.getSelectedIndex());
if (name.equals(SERVER)) {
Server server = new Server(this);
server.start();
} else {
Client client = new Client(this);
client.start();
}
}
}
}
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