android - Application crashes after notification -

*notification working fine problem crashed after clicking button *it says add @ add@suppresswarnings 'deprication' n , add @ add@suppresswarnings 'deprication' onclick

public class testinput extends activity {      button setbutton;     location location, locationa, locationb;     locationmanager locationmanager;     notificationmanager nm;     public static final int uniqueid =1;      @override     protected void oncreate(bundle savedinstancestate) {         // todo auto-generated method stub         super.oncreate(savedinstancestate);          setcontentview(r.layout.showcoords);          nm = (notificationmanager) getsystemservice(context.notification_service);         nm.cancel(uniqueid);          setbutton = (button) findviewbyid(r.id.btnshowlocation);          setbutton.setonclicklistener(new onclicklistener() {              @override             public void onclick(view v) {                 intent intent = new intent(testinput.this, goin.class);                 pendingintent pi = pendingintent.getactivity(getbasecontext(),                         0, intent, 0);                 string body = "this notification";                 string title = "test";                 notification n = new notification(r.drawable.route, body,                         system.currenttimemillis());                 n.setlatesteventinfo(testinput.this, title, body, pi);                 n.defaults = notification.default_all;                 nm.notify(uniqueid, n);                 finish();             }         });     }  }