android - How to pass selected navigation drawer item and Spinner item inside fragment of One activity to second activity? -

i have navigation drawer in first activity , upon selection on navigation drawer i'm going display fragment called spinnerfragment has spinner inside it. want pass selected navigation item , selected spinner item second activity mainactivity2.java. i'm not adding xml files, if needed added please let me know , add them.

can please me how pass data of selected in navigation drawer , in spinner???

mainactivity.java

navigationview=(navigationview)findviewbyid(r.id.navigation_view); navigationview.setnavigationitemselectedlistener(new navigationview.onnavigationitemselectedlistener() { @override         public boolean onnavigationitemselected(@nonnull menuitem item) { switch (item.getitemid())             {                 case r.id.home_id1:                     fragmenttransaction=getsupportfragmentmanager().begintransaction();                     fragmenttransaction.replace(r.id.maincontainer,new homefragment());                     fragmenttransaction.commit();                     getsupportactionbar().settitle("homefragmentyoyo");                     item.setchecked(true);                     drawerlayout.closedrawers();                     break;                  case  r.id.home_id2:                     fragmenttransaction=getsupportfragmentmanager().begintransaction();                     fragmenttransaction.replace(r.id.maincontainer,new spinnerfragment());                     fragmenttransaction.commit();                     getsupportactionbar().settitle("airtel");                     item.setchecked(true);                     drawerlayout.closedrawers();                     break;                   }//switch case close             return false;         }//navigationitemselected close 

spinnerfragment.java (fragment passed in home_id_2)

public view oncreateview(layoutinflater inflater, viewgroup container,                          bundle savedinstancestate) {      // inflate layout fragment     view v=   inflater.inflate(r.layout.fragment_spinner, container, false);     setspinnercontent(v);      button button=(button)v.findviewbyid(r.id.button);     button.setonclicklistener(new view.onclicklistener() {         @override         public void onclick(view view) {             intent intent= new intent(getactivity(),mainactivity2.class);             startactivity(intent);         }     });     return  v; }  private void setspinnercontent(final view v) {      spinner =(spinner)v.findviewbyid(r.id.spinner);     final arrayadapter<charsequence> adapter=arrayadapter.createfromresource(v.getcontext(),r.array.states_names,android.r.layout.simple_spinner_item);     spinner.setadapter(adapter);     spinner.setonitemselectedlistener(new adapterview.onitemselectedlistener() {         @override         public void onitemselected(adapterview<?> adapterview, view view, int i, long l) {             string selected=adapterview.getitematposition(i).tostring();             context context=adapterview.getcontext();             charsequence text=selected;             int duration= toast.length_short;             toast toast=toast.maketext(context,text,duration);             toast.show();         } 

mainactivity2.java

public class mainactivity2 extends appcompatactivity { private toolbar toolbar; private tablayout tablayout; private viewpager viewpager;   @override protected void oncreate(bundle savedinstancestate) {      string m;     super.oncreate(savedinstancestate);     setcontentview(r.layout.activity_main2);     toolbar = (toolbar) findviewbyid(r.id.toolbar);     setsupportactionbar(toolbar);     viewpager = (viewpager) findviewbyid(r.id.viewpager);     setupviewpager(viewpager);     tablayout = (tablayout) findviewbyid(r.id.tabs);     tablayout.setupwithviewpager(viewpager); }   private void setupviewpager(viewpager viewpager) {     viewpageradapter adapter = new viewpageradapter(getsupportfragmentmanager());     adapter.addfragment(new onefragment(), "one");     adapter.addfragment(new twofragment(), "two");     adapter.addfragment(new threefragment(), "three");     viewpager.setadapter(adapter); }  class viewpageradapter extends fragmentpageradapter {     private final list<fragment> mfragmentlist = new arraylist<>();     private final list<string> mfragmenttitlelist = new arraylist<>();      public viewpageradapter(fragmentmanager manager) {         super(manager);     }      @override     public fragment getitem(int position) {         return mfragmentlist.get(position);     }      @override     public int getcount() {         return mfragmentlist.size();     }      public void addfragment(fragment fragment, string title) {         mfragmentlist.add(fragment);         mfragmenttitlelist.add(title);     }      @override     public charsequence getpagetitle(int position) {         return mfragmenttitlelist.get(position);      } } }