Programming the trackball light

by Boardy » Tue, 23 Mar 2010 01:51:48 GMT


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 Hi all,

I am currently looking into developing an app for the android
platform. Before getting started on my app I have been going through
the development guide for android.

I was looking at flashing the trackball light when I perform a
notification event.

String ns = Context.NOTIFICATION_SERVICE;
        NotificationManager mNotificationManager = (NotificationManager)
getSystemService(ns);

        int icon = R.drawable.notification_icon;
        CharSequence tickerText = "Hello";
        long when = System.currentTimeMillis();

        Notification notification = new Notification(icon, tickerText,
when);

        Context context = getApplicationContext();
        CharSequence contentTitle = "My notification";
        CharSequence contentText = "Hello world!";
        Intent notificationIntent = new Intent(this, Hello.class);
        PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
notificationIntent, 0);

        notification.setLatestEventInfo(context, contentTitle,
contentText, contentIntent);
        notification.defaults |= Notification.DEFAULT_SOUND;
                long[] vibrate = {0, 500, 100, 200, 100, 500, 100,
500, 200, 500};
        notification.vibrate = vibrate;
                notification.defaults |= Notification.DEFAULT_LIGHTS;
        mNotificationManager.notify(HELLO_ID, notification);

I have put in notification.defaults |= Notification.DEFAULT_LIGHTS;
thinking that this was for the trackball LED but I think its the led
at the top of the phone, that one that lights up to show that its
charging.

How would I flash the light on the trackball. I have an HTC Hero.
Thanks for your help

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