java - How to stop service in background with toggle button in Android? -

i'm implementing running service in background , service stop , start click on toggle button.service start in 1st activity , stop service in activity when click on toggle button.when run application service automatically start in 1st activity start in oncreate() method in 1st activity , activity toggle button status on status when toggle button going off service stop when 1st activity service again start.please can 1 me.here code

public class myservice extends service {     private static final string tag = "myservice";     mediaplayer player;     private final string strmyservice="myservice";        @override     public ibinder onbind(intent arg0) {         // todo auto-generated method stub         return null;     }      @override     public void oncreate() {         toast.maketext(this, "my service created", toast.length_long).show();         log.d(tag, "oncreate");          player = mediaplayer.create(this, r.raw.braincandy);         player.setlooping(false); // set looping     }      @override     public void ondestroy() {         toast.maketext(this, "my service stopped", toast.length_long).show();         log.d(tag, "ondestroy");         player.stop();     }      @override     public void onstart(intent intent, int startid) {         toast.maketext(this, "my service started", toast.length_long).show();         log.d(tag, "onstart");         player.start();     } }     public class service_demo extends activity implements onclicklistener  {       private static final string tag = "servicesdemo";         @override       public void oncreate(bundle savedinstancestate)       {          super.oncreate(savedinstancestate);         setcontentview(r.layout.main);         system.out.println("in oncreate(");         startservice(new intent(this, myservice.class));         } }   public class toggle_activity extends activity {     togglebutton tgbutton;     private boolean isservice=false;     private string strservice;     public final string service_prefs="serviceprefs";     private static final string strmyservice = "zdf";       public void oncreate(bundle savedinstancestate)     {         super.oncreate(savedinstancestate);         setcontentview(r.layout.toggle);          final sharedpreferences serviceprefs=this.getsharedpreferences("service_prefs",mode_world_readable);         strservice=serviceprefs.getstring(strmyservice , "myservice");         log.e("",""+strservice);          final boolean mbool = serviceprefs.getboolean("myservice", true);         log.e("boolean value mbool","="+mbool);         boolean b = mbool;         log.e("update pref", b.tostring());          tgbutton = (togglebutton)findviewbyid(r.id.togglebutton);         tgbutton.setchecked(mbool);             final boolean mbool1 = serviceprefs.getboolean("myservice", false);             final boolean c = mbool1;         log.e("update pref", c.tostring());           tgbutton=(togglebutton)findviewbyid(r.id.togglebutton);         tgbutton.setonclicklistener(new onclicklistener()        {              @override             public void onclick(view v)                    {                 // todo auto-generated method stub                  if(tgbutton.ischecked())                 {                     startservice(new intent(toggle_activity.this , myservice.class));                     system.out.println("service started in togglr button");                  }                 else                 {                         stopservice(new intent(toggle_activity.this,myservice.class));                     system.out.println("service stopped in togglr button");                  }             }         });       }  } 

in first activity, you'd put startservice(new intent(this, myservice.class)) in onresume oncreate