Issues alarm manager in every 1 min Android?

Question

I want to make a service which fire alarm manager in every 1 min interval..But my Alarm run once(first time only). I follow Lalit Answer

private class Receiver extends BroadcastReceiver{

        @Override
        public void onReceive(Context context, Intent intent) {

            Toast.makeText(getBaseContext(), "Alarm", Toast.LENGTH_LONG).show();
            NetworkInfo info = intent.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO); 
            AlarmManager mgr=(AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
            Intent i=new Intent(context, ConnectionReceiver.class);
            PendingIntent pi=PendingIntent.getBroadcast(context, 0, i, 0);
            mgr.setRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(), 1*60*1000, pi);
        }
}

Have you tried [Commonsware Example](https://github.com/commonsguy/cw-advandroid/blob/master/SystemServices/Alarm/src/com/commonsware/android/syssvc/alarm/OnBootReceiver.java) Try this. — Praveenkumar, Jan 25 '12 at 07:41
ya i tried Installing screen.apk... [2012-01-25 13:03:30 - screen] Success! [2012-01-25 13:03:30 - screen] \screen\bin\screen.apk installed on device [2012-01-25 13:03:30 - screen] Done! — Mercy, Jan 25 '12 at 07:45

score 3 · Accepted Answer · answered Jan 25 '12 at 07:33

3

Juts register broadcast receiver for:

http://developer.android.com/reference/android/content/Intent.html#ACTION_TIME_TICK

answered Jan 25 '12 at 07:33

Konstantin Pribluda

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again it comes first time only – Mercy Jan 25 '12 at 07:42
This action is fired every minute by system. Just register broadcast receiver for it in your manifest. No need to set up alarm manager at all – Konstantin Pribluda Jan 25 '12 at 08:09
from android doc: "You can not receive this through components declared in manifests, only by exlicitly registering for it with Context.registerReceiver()." – rmanna Jul 04 '13 at 07:30

score 2 · Answer 2 · edited Jan 25 '12 at 08:21

2

Try this code in Your broadcast receiver's onReceive method

AlarmManager mgr=(AlarmManager)ctxt.getSystemService(Context.ALARM_SERVICE);
mgr.setRepeating(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(),
                              60000+System.currentTimeMillis(),
                                  getPendingIntent(ctxt));

and you can get pending intent

private static PendingIntent getPendingIntent(Context ctxt) {
    Intent i=new Intent(ctxt, AReceiver.class);
    return(PendingIntent.getBroadcast(ctxt, 0, i, 0));
}

where AReceiver class is for start service like Notification it is working fine in my app so i hope it helps you

edited Jan 25 '12 at 08:21

Hiral Vadodaria

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answered Jan 25 '12 at 07:50

Ajay

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cal means calender for Calendar cal=Calendar.getInstance(); – Ajay Jan 25 '12 at 07:59
and no permission need for this – Ajay Jan 25 '12 at 08:00
where i have to start the task – Mercy Jan 25 '12 at 08:45
You can start in any activity's onCreate method by calling particular receiver class – Ajay Jan 25 '12 at 09:08
a complete tutorial is here http://www.vogella.de/articles/AndroidServices/article.html#receiver – Ajay Jan 25 '12 at 09:10
my requirements i want to print a toast for every 1 minutes.where i have put the toast – Mercy Jan 25 '12 at 09:17
let us [continue this discussion in chat](http://chat.stackoverflow.com/rooms/7025/discussion-between-trustme-and-ajay) – Mercy Jan 25 '12 at 09:21
Put your toast in AReceiver class's on receive method – Ajay Jan 25 '12 at 09:29
Why have you added `System.currentTimeMillis()` with interval time? – Apurva Jul 30 '15 at 11:26

score 0 · Answer 3 · answered Jul 17 '12 at 23:53

I know this question already has an answer, but for others who have had the same issue but need to use AlarmManager. The reason why it only runs once is because the new PendingIntent you create does not get recreated, but rather is reusing the one before it. So in other words, the reason why your alarm only ran once was because it kept reusing it. Using the flags to refresh the intent extras if there are any should be doing the trick, but that also does not work.

A trick to use to make sure it does not reuse the PendingIntent and ultimately the Intent you provide is to use setAction() and give it some unique "Action". I did it like this:

intent.setAction("com.yourname."+System.currentTimeMillis());

As you see this makes sure its unique. Though, the above accepted answer it the best approach, if someone does not want that, they need to understand why and how to remedy that issue. Hope it helps anyone else.

Issues alarm manager in every 1 min Android?

3 Answers3

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