android - how to stop repeating alarm from another activity -

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i have set repeating alarm on multiple tasks in app. getting task notification properly. when clicking on dismiss button alarm not cancelling. have created alert dialog notification user.

i passing db _id pendingintent uniqueid multiple alarms on different tasks. alarm ringing not stopping. please guide me this.

here's activity class setting alarms

protected void oncreate(bundle savedinstancestate) { // todo auto-generated method stub super.oncreate(savedinstancestate); setcontentview(r.layout.alarm_layout); // code.. setalarm.setonclicklistener(new onclicklistener() {     @override     public void onclick(view arg0) {         // todo auto-generated method stub          idval=idval+1;    // fetching id db.         alarm_intent= new intent(alarmactivity.this, receiveractivity.class);         alarm_intent.putextra("str_text", str_text);         alarm_intent.putextra("cls_id", idval);         pendingintent = pendingintent.getbroadcast(alarmactivity.this, idval, alarm_intent, pendingintent.flag_update_current);          date dat  = new date();//initializes         calendar cal_alarm = calendar.getinstance();         calendar cal_now = calendar.getinstance();         cal_now.settime(dat);      //  myear, mmonth, mday, mhours24, mminutes taking vales datepicker & timepicker  cal_alarm.set(myear, mmonth, mday, mhours24, mminutes, 0);         if(cal_alarm.before(cal_now))         {             cal_alarm.add(calendar.date,1); //if in past increment         }          string temp_val=(string)spinner1.getselecteditem();          alarmmanager noteam = (alarmmanager)getsystemservice(context.alarm_service);                         if(temp_val.equals("one time"))         {             noteam.set(alarmmanager.rtc_wakeup, cal_alarm.gettimeinmillis(), pendingintent);        }         else if(temp_val.equals("every 5 minutes"))         {             noteam.setrepeating(alarmmanager.rtc_wakeup, cal_alarm.gettimeinmillis(), 300000, pendingintent);       }         else if(temp_val.equals("every 10 mintues"))         {             noteam.setrepeating(alarmmanager.rtc_wakeup, cal_alarm.gettimeinmillis(), 600000, pendingintent);         }         else if(temp_val.equals("every 30 minutes"))         {             noteam.setrepeating(alarmmanager.rtc_wakeup, cal_alarm.gettimeinmillis(), 1800000, pendingintent);         }         else if(temp_val.equals("every 1 hour"))         {             noteam.setrepeating(alarmmanager.rtc_wakeup, cal_alarm.gettimeinmillis(), 3600000, pendingintent);         }     } });

}

and activity cancelling alarm

protected void oncreate(bundle savedinstancestate) {         // todo auto-generated method stub         super.oncreate(savedinstancestate);           //some code..         clsid=extra.getint("cls_id");         new alertdialog.builder(alertboxnotification.this)         .settitle("title")         .setmessage("message user")         .setpositivebutton(android.r.string.ok, new dialoginterface.onclicklistener() {         @suppresslint("newapi")         @override             public void onclick(dialoginterface arg0, int arg1) {             // todo auto-generated method stub                 finish();                 arg0.dismiss();             }         })         .setnegativebutton(r.string.dismissbtn, new dialoginterface.onclicklistener() {             public void onclick(dialoginterface arg0, int arg1) {             intent intent = new intent(alertboxnotification.this, alarmactivity.class);                     pendingintent psender = pendingintent.getbroadcast(alarmactivity.mycontext = getapplicationcontext(), clsid, intent, 0);                     alarmmanager = (alarmmanager)getsystemservice(alarm_service);                     am.cancel(psender);                     toast.maketext(getapplicationcontext(), "alarm cancel ", toast.length_long).show();              }         }).create().show();     }

i have change 

pendingintent psender = pendingintent.getbroadcast(alarmactivity.mycontext = getapplicationcontext(), clsid, intent, 0);

to 

 pisender = pendingintent.getbroadcast(getbasecontext(), clsid, intent, 0);

and made pendingintent global. now alarm cancelling activity(from dialog box).


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