|
import java.util.Timer;
import java.util.TimerTask;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.TextBox;
import javax.microedition.midlet.MIDlet;
public class SimpleTimerCancelMIDlet extends MIDlet implements CommandListener {
private Command exitCommand = new Command("Exit", Command.EXIT, 1);
private Command scheduleCommand = new Command("schedule", Command.SCREEN, 1);
private TextBox aTextBox = new TextBox("Setting", "Content", 20, 0);
public static String aMessage = "";
Display display;
private Timer aTimer;
private SimpleTimerTask aTimerTask;
public SimpleTimerCancelMIDlet() {
Display display = Display.getDisplay(this);
}
public void startApp() {
aTextBox.addCommand(exitCommand);
aTextBox.addCommand(scheduleCommand);
aTextBox.setCommandListener(this);
display.setCurrent(aTextBox);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command c, Displayable s) {
if (c == scheduleCommand) {
aTimer = new Timer();
aTimerTask = new SimpleTimerTask();
aTimer.schedule(aTimerTask, 500);
aTextBox.setString(aMessage);
} else if (c == exitCommand) {
destroyApp(false);
notifyDestroyed();
}
}
}
class SimpleTimerTask extends TimerTask {
public final void run() {
cancel();
}
}
|
