import java.io.IOException;
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.midlet.MIDlet;
public class J2MEBackgroundProcessing extends MIDlet implements CommandListener {
private Display display;
private Form form= new Form("Background Processing");
private Command exit = new Command("Exit", Command.EXIT, 1);
private Command start = new Command("Start", Command.SCREEN, 2);
public J2MEBackgroundProcessing() {
display = Display.getDisplay(this);
form.addCommand(exit);
form.addCommand(start);
form.setCommandListener(this);
}
public void startApp() {
display.setCurrent(form);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command command, Displayable displayable) {
if (command == exit) {
destroyApp(false);
notifyDestroyed();
} else if (command == start) {
Process process = new Process(this);
process.start();
}
}
}
class Process implements Runnable {
private BackgroundProcessing MIDlet;
public Process(BackgroundProcessing MIDlet) {
this.MIDlet = MIDlet;
}
public void run() {
try {
transmit();
} catch (Exception error) {
System.err.println(error.toString());
}
}
public void start() {
Thread thread = new Thread(this);
try {
thread.start();
} catch (Exception error) {
}
}
private void transmit() throws IOException {
}
}