Re: [android-developers] Repeating alarm on specific day of the week

Hi Mark,

I also need to develop same kind of functionality. I need to repeat my alarm on every Monday at 09:00AM. I used the following code for that but I am unable to repeat the alarms. Can you please help me that where I am making mistake.

Activity :-

public class AndroidScheduledActivity extends Activity {
    /** Called when the activity is first created. */
    int id = 115;
    Intent myIntent;
    PendingIntent pendingIntent;
    AlarmManager alarmManager;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button buttonStart = (Button)findViewById(R.id.start);

        myIntent = new Intent(getBaseContext(), MyScheduledReceiver.class);
        myIntent.putExtra("id", id);
        pendingIntent = PendingIntent.getBroadcast(getBaseContext(), id, myIntent, 0);

        alarmManager = (AlarmManager)getSystemService(ALARM_SERVICE);

        buttonStart.setOnClickListener(new Button.OnClickListener(){
            public void onClick(View arg0) {
                // TODO Auto-generated method stub
                setForMonday();
                finish();
            }});
    }

    public void setForMonday() {
        Calendar calendar = Calendar.getInstance();


        calendar.set(Calendar.DAY_OF_WEEK,2);
        calendar.set(Calendar.HOUR,09);
        calendar.set(Calendar.MINUTE, 00);
        calendar.set(Calendar.SECOND, 0);
        calendar.set(Calendar.MILLISECOND, 0);
        System.out.println("Old is set@ :== " + calendar.getTime());


        long interval = calendar.getTimeInMillis() + 604800000L;
        System.out.println("Next Millis = " + interval);
        alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), interval, pendingIntent);
    }
}

Receiver :-

public class MyScheduledReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        // TODO Auto-generated method stub

        System.out.println("Receiver");
    }

}

On Friday, 5 March 2010 00:36:31 UTC+5:30, Mark Murphy wrote:

Open wrote:
> Can someone get me started on how to set a repeating alarm so that it
> fires at a specific time on a specific day of the week.  For example,
> I would like an alarm to trigger an intent every Monday at 8am.
>
> Looks like a lot of apps do this (e.g., Locale, Alarm Clock, etc.)

Step #1: Figure out the time you want the alarm to next be fired, in
milliseconds since the epoch (i.e., System.currentTimeMillis() timebase)

Step #2: Figure out the period in between the alarms in milliseconds

Step #3: Use AlarmManager to register a RTC or RTC_WAKEUP alarm that
will issue a PendingIntent using those two values

--
Mark Murphy (a Commons Guy)
http://commonsware.com | http://twitter.com/commonsguy

_Android Programming Tutorials_ Version 2.0 Available!

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