android - NotificationCompat Ticker Text Not Showing When Updating Notification -

background

this app writing familiarize myself of apis, serves no real purpose other demonstrate functionality in android. have service running in foreground (startforeground), , has ongoing notification when tapped returns application. service listens broadcasts , logs them db.

start service, create notification

i create notification using notificationcompat.builder in oncreate of service:

@override public void oncreate() {     super.oncreate();     log.v(tag, "oncreate");      // notification manager update notifications     mnotificationmanager = (notificationmanager) getsystemservice(context.notification_service);      intent openappintent = new intent(this, mainactivity.class);     openappintent.setflags(intent.flag_activity_clear_top | intent.flag_activity_single_top);     pendingintent selectnotifpendingintent = pendingintent.getactivity(this, 0, openappintent, 0);      // build notification show     mnotificationbuilder = new notificationcompat.builder(this)     .setcontenttitle("monitor service")     .setcontenttext("logging system events")     .setticker("starting monitor service")     .setsmallicon(r.drawable.ic_stat_cloud)     .setcontentintent(selectnotifpendingintent)     .setonlyalertonce(false)     .setpriority(notificationcompat.priority_low)     .setuseschronometer(true);      // start service in foreground     startforeground(monitorservice.notification_id_foreground, mnotificationbuilder.build());      // more code....  } 

when service starts, notification , ticker text both shown on versions of android:

next, update notification

i added callback interface service, update notification changing ticker text , content text:

@override public void updatenotificationticker(string newtickertext) {     log.d(tag, "updatenotificationticker");      if (mnotificationbuilder != null && mnotificationmanager != null) {         mnotificationbuilder.setticker(newtickertext);         mnotificationbuilder.setcontenttext(newtickertext);         mnotificationmanager.notify(notification_id_foreground, mnotificationbuilder.build());     } } 

to test updating notification, had broadcastreceiver listen time tick broadcasts, , call updatenotificationticker current time:

    else if (action.equals(android.content.intent.action_time_tick)) {         simpledateformat sdf = new simpledateformat("h:mm aa", locale.us);         string message = "the time " + sdf.format(new date());         newlogentry.setmessage(message);          // update ticker notification time         if (mnotificationcallback != null) {             mnotificationcallback.updatenotificationticker(message);         }     } 

this works on (almost) every version of android, ticker text flashes , content text updated on notification:

• android 2.2 (api 8)
• android 4.0.3 (api 15)
• android 4.1.2 (api 16)
• android 4.2.2 (api 17)

different behavior on android 2.3.3

when run on android 2.3.3 (api 10) emulator or device, ticker text shown when first starting service (seen in 1st screenshot: "starting monitor service"). however, ticker text never shown when updating notification, though content text update.

questions

• am setting notificationcompat.builder in way causing ticker text not show on android 2.3.3?
• or, android 2.3.3 behave differently other versions when showing ticker text while updating ongoing notification?
• or, defect notificationcompat.builder not working on android 2.3.3?