multithreading - How to send data from local service to activity in ANDROID -

i have 1 activity , 1 service. requirement start service activity , in activity countdown timer start, problem i'm unable value service activity. please me out.

is code,tutorial,example me this.

timer service

public class timerservice extends service {      mycounter timer;      @override     public void oncreate() {         timer = new mycounter(1 * 60 * 1000, 1000);         super.oncreate();     }      @override     public int onstartcommand(intent intent, int flags, int startid) {         timer.start();         return super.onstartcommand(intent, flags, startid);     }      private class mycounter extends countdowntimer {          public mycounter(long millisinfuture, long countdowninterval) {             super(millisinfuture, countdowninterval);         }          @override         public void onfinish() {             toast.maketext(getapplicationcontext(), "death", toast.length_long)                     .show();             stopself();          }          @override         public void ontick(long millisuntilfinished) {             toast.maketext(getapplicationcontext(),                     (millisuntilfinished / 1000) + "", toast.length_short)                     .show();         }     }      @override     public void ondestroy() {         // todo auto-generated method stub         timer.cancel();         super.ondestroy();      }      @override     public ibinder onbind(intent arg0) {         return null;     }  } 

what should write in service toast message value in activity

read broadcast receivers.

create broadcast receiver in activity , register intentfilter(set action in string value).

private broadcastreceiver receiver = new broadcastreceiver() {         public void onreceive(android.content.context context, intent intent) {        toast.maketext(context, "death", toast.length_long)                 .show(); }} 

register in onresume

     intentfilter intentfilter = new intentfilter();      intentfilter.addaction("your action"); this.registerreceiver(receiver, intentfilter); 

and in service call setbroadcast

 @override     public void onfinish() {   intent intent = new intent(); intent.setaction("youraction"); sendbroadcast(intent);         stopself();      }