/* MultiAlert.java * * This example tests an alert router by using several timers to create alerts at different time intervals. * */import javax.microedition.midlet.*;import javax.microedition.lcdui.*;import java.util.*;import com.j2medeveloper.util.*;public class MultiAlert extends MIDlet {    Display      display;    Command      exitCommand = new Command( "Exit", Command.EXIT,                                                             1 );    Timer        timer1 = new Timer();    Timer        timer2 = new Timer();    Timer        timer3 = new Timer();    MainForm     form = new MainForm();    AlertRouter  router;    public MultiAlert() {        display = Display.getDisplay( this );        router = new AlertRouter( display );        timer1.schedule( new AlertTrigger( "Alert 1",                             "This is alert #1" ), 5000, 10000 );        timer2.schedule( new AlertTrigger( "Alert 2",                              "This is alert #2" ), 5000, 7000 );        timer3.schedule( new AlertTrigger( "Alert 3",                              "This is alert #3" ), 5000, 9000 );    }    protected void destroyApp( boolean unconditional ) {        timer1.cancel();        timer2.cancel();        timer3.cancel();    }    protected void startApp() {        display.setCurrent( form );    }    protected void pauseApp() {    }    public void exit(){        destroyApp( true );        notifyDestroyed();    }    class AlertTrigger extends TimerTask {        public AlertTrigger( String title, String message )        {            this.title = title;            this.message = message;        }          public void run(){            Alert alert = new Alert( title, message, null, null );            alert.setTimeout( Alert.FOREVER );            router.showAlert( alert );       }        private String title;        private String message;    }    class MainForm extends Form implements CommandListener {        public MainForm(){            super( "MultiAlert Demo" );            addCommand( exitCommand );            setCommandListener( this );        }        public void commandAction( Command c, Displayable d ){            exit();        }    }}