android - How can I change my notification text? -


i devoleping application android.i have alarmmanager.this alarmmanager cannot stoppable.everytime(every 2 seconds) checking list according random number.random number check database , giving decision notificationmanager.İf list line not green.it make it.my problem when line green.my notification text doesn"t change.how can fix ?

my alarmmanagerreceiver :

 databasehelper mdatabasehelper;     arraylist   listdata = new arraylist<>();     arraylist   listdataoran = new arraylist<>();     arraylist   listdataboya = new arraylist<>();     arraylist   listdataid = new arraylist<>();     arraylist   listdatanumber = new arraylist<>(); random secilmiskisi ; int secilmissayı;      @override     public void onreceive(context context, intent intent) {         mdatabasehelper = new databasehelper(context);         cursor data = mdatabasehelper.getdata();         while(data.movetonext()){              listdataid.add(data.getstring(0));              listdata.add(data.getstring(1));               listdatanumber.add(data.getstring(2));              listdataoran.add(data.getstring(3));             listdataboya.add(data.getstring(4));}   secilmiskisi = new random();         secilmissayı = secilmiskisi.nextint(listdataid.size()) + 0;          toast.maketext(context, "alarm !!!!!!!!!!", toast.length_long).show();         cancelalarm(context);       //   setalarm(context);   if(!listdataboya.contains("#1eac02")){      string table = "people_table";        contentvalues productdetailscontentvalues = new contentvalues();               productdetailscontentvalues.put("boya", "#1eac02");                string = " id = " + listdataid.get(secilmissayı);               mdatabasehelper.update(table, productdetailscontentvalues, , null);            intent yesreceive = new intent();         yesreceive.setaction(appconstant.yes_action);         pendingintent pendingintentyes = pendingintent.getbroadcast(context, 12345, yesreceive, pendingintent.flag_update_current); intent intenttt = new intent(context,anamenu.class);         pendingintent pintent = pendingintent.getactivity(context, 0, intenttt, 0);           intent yesreceive2 = new intent();         yesreceive2.setaction(appconstant.stop_action);         pendingintent pendingintentyes2 = pendingintent.getbroadcast(context, 12345, yesreceive2, pendingintent.flag_update_current);         // build notification         // actions fake         notification noti = null;         if (android.os.build.version.sdk_int >= android.os.build.version_codes.jelly_bean) {             noti = new notification.builder(context)                     .setticker(" size bir bildirim yolladı.")                     .setcontenttitle("")                     .setcontenttext(listdata.get(secilmissayı)+"   arama zamanı")                     .setsmallicon(r.drawable.familyiiii)                      .addaction(r.drawable.cal, "ara", pendingintentyes)                     .addaction(r.drawable.se, "daha sonra", pendingintentyes2)                      .setcontentintent(pintent).getnotification();         }         // .setticker(" size bir bildirim yolladı.").setsmallicon(r.drawable.familyiiii)         //       .setsubtext("bu mesaj ile artık" + isimler.get(random) + " arayacağın bir görevin oldu.")         notificationmanager notificationmanager = (notificationmanager) context.getsystemservice(notification_service);         noti.flags |= notification.flag_auto_cancel;         notificationmanager.notify(0, noti);         setalarm(context);   }else  if (listdataboya.get(secilmissayı) != "#1eac02"  ){   string table = "people_table";        contentvalues productdetailscontentvalues = new contentvalues();               productdetailscontentvalues.put("boya", "#1eac02");            string = " id = " + listdataid.get(secilmissayı);             mdatabasehelper.update(table, productdetailscontentvalues, , null);           intent yesreceive = new intent();         yesreceive.setaction(appconstant.yes_action);         pendingintent pendingintentyes = pendingintent.getbroadcast(context, 12345, yesreceive, pendingintent.flag_update_current);   intent intenttt = new intent(context, anamenu.class);         pendingintent pintent = pendingintent.getactivity(context, 0, intenttt, 0);           intent yesreceive2 = new intent();         yesreceive2.setaction(appconstant.stop_action);         pendingintent pendingintentyes2 = pendingintent.getbroadcast(context, 12345, yesreceive2, pendingintent.flag_update_current);         // build notification         // actions fake         notification noti = null;         if (android.os.build.version.sdk_int >= android.os.build.version_codes.jelly_bean) {             noti = new notification.builder(context)                     .setticker(" size bir bildirim yolladı.")                     .setcontenttitle("")                  .setcontenttext(listdata.get(secilmissayı)+"   arama zamanı")                     .setsmallicon(r.drawable.familyiiii)                      .addaction(r.drawable.cal, "ara", pendingintentyes)                     .addaction(r.drawable.se, "daha sonra", pendingintentyes2)                      .setcontentintent(pintent).getnotification();         }         // .setticker(" size bir bildirim yolladı.").setsmallicon(r.drawable.familyiiii)         //       .setsubtext("bu mesaj ile artık" + isimler.get(random) + " arayacağın bir görevin oldu.")         notificationmanager notificationmanager = (notificationmanager) context.getsystemservice(notification_service);         noti.flags |= notification.flag_auto_cancel;         notificationmanager.notify(0, noti); setalarm(context);   }while (listdataboya.get(secilmissayı) == "#1eac02"){////here , problem.  string table = "people_table";        contentvalues productdetailscontentvalues = new contentvalues();               productdetailscontentvalues.put("boya", "#1eac02");            string = " id = " + listdataid.get(secilmissayı);             mdatabasehelper.update(table, productdetailscontentvalues, , null);           intent yesreceive = new intent();         yesreceive.setaction(appconstant.yes_action);         pendingintent pendingintentyes = pendingintent.getbroadcast(context, 12345, yesreceive, pendingintent.flag_update_current);   intent intenttt = new intent(context, anamenu.class);         pendingintent pintent = pendingintent.getactivity(context, 0, intenttt, 0);           intent yesreceive2 = new intent();         yesreceive2.setaction(appconstant.stop_action);         pendingintent pendingintentyes2 = pendingintent.getbroadcast(context, 12345, yesreceive2, pendingintent.flag_update_current);         // build notification         // actions fake         notification noti = null;         if (android.os.build.version.sdk_int >= android.os.build.version_codes.jelly_bean) {             noti = new notification.builder(context)                     .setticker("aynikİŞİaynikİŞİaynikİŞİaynikİŞİaynikİŞİaynikİŞİ")                     .setcontenttitle("aynikİŞİaynikİŞİaynikİŞİaynikİŞİaynikİŞİ")                  .setcontenttext(listdata.get(secilmissayı)+"   arama zamanı")                     .setsmallicon(r.drawable.familyiiii)                      .addaction(r.drawable.cal, "ara", pendingintentyes)                     .addaction(r.drawable.se, "daha sonra", pendingintentyes2)                      .setcontentintent(pintent).getnotification();         }         // .setticker(" size bir bildirim yolladı.").setsmallicon(r.drawable.familyiiii)         //       .setsubtext("bu mesaj ile artık" + isimler.get(random) + " arayacağın bir görevin oldu.")         notificationmanager notificationmanager = (notificationmanager) context.getsystemservice(notification_service);         noti.flags |= notification.flag_auto_cancel;         notificationmanager.notify(0, noti); setalarm(context);      }

this first time activity has created :enter image description here

this last time activity :enter image description here

i want change notification text when selected number"s line (random number)is green.

    string subtext[]={"text one","text two","text three","text four"......};       int ran=new random().nextint(4); 

android.app.notification notif = new android.app.notification.builder(getapplicationcontext())                  .setcontenttitle("m-educate welcomes digital era of learning")                  .setsubtext(subtext[ran])                  .setsmallicon(r.drawable.icn_app_icon)                  .setlargeicon(icon)                  .setcontentintent(pendingintent)                  .setsound(alarmsound)                  .build();          notificationmanager notificationmanager = (notificationmanager) getapplicationcontext().getsystemservice(context.notification_service);          notificationmanager.notify(0, notif);

note : set texts in array , set random text each time fire notification


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