Android: Managing multiple notifications in status bar

Question

I am creating a multiple stop watch application for which there will be multiple timers running parallel, and each notification binded to each timer.

I am able to create multiple timers with the following code.

private void updateNotification(int notificationId, int clockStatusID, CharSequence text) { // notificationManager.cancel(notificationId); // throws up an ongoing notification that the timer is running Log.i("TIMERCOUNT", "Notification id: " + notificationId); Notification not = new Notification(clockStatusID, // the // icon // for // the // status // bar text, // the text to display in the ticker System.currentTimeMillis() // the timestamp for the // notification to appear ); Intent intent = new Intent(); intent.setClassName("com.intuit.time_catcher.android.activities", "com.intuit.time_catcher.android.activities.Tabs"); not.setLatestEventInfo(self, getText(R.string.timer_notification_title), getText(R.string.timer_on_notification_text), PendingIntent .getActivity(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)); not.flags += Notification.FLAG_ONGOING_EVENT; not.flags += Notification.FLAG_NO_CLEAR; notificationManager.notify(notificationId, not); }

The following is the problem that im facing. Consider there are 3 timer running and 3 notifications in the status bar. When i update timer 2, notification 3(which is at the rightmost end) gets updated, but what i really want to do is to update the second notification(middle one). When i print the notification id's, im seeing the right values. I cant comprehend why am i getting this weird behavior?

Community · Accepted Answer · 2017-05-23 11:56:03Z

It sounds like your intents are cached (which is the factory default)

Try adding a unique setAction('anystring'+timestamp) or a count value, it must be unique as explained in this question

intent.setAction("actionstring" + System.currentTimeMillis());

Instead of intent.setAction() i used intent.setData() and it worked

hackbod · Accepted Answer · 2010-08-07 04:18:37Z

An application can't really directly control the order notifications are shown in... are you just seeing them re-ordered on you?

Also posting three notifications is pretty spammy. What about having one, whose content shows the state of all 3 timers?

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