java - How to update Litview item when Spinner seleted -

i have problem can not fix now. create apps, there 1 spinner , 1 listview, , use baseadapter load information on listview on spinner.

and now, when seleted spinner item , listview item turn on image.

public class countries implements serializable{ public string nameconutry; public string moneycountry; public string flag;  public countries(){}  public countries(string namecountry, string moneycountry, string flag){     this.nameconutry = namecountry;     this.moneycountry = moneycountry;     this.flag = flag; }  public void save(context p_context) {     sharedpreferences w_sp = p_context.getsharedpreferences("countries", activity.mode_private);     sharedpreferences.editor w_editor = w_sp.edit();      w_editor.putstring("ctry_cd", nameconutry);     w_editor.putstring("curr_name", nameconutry);      w_editor.commit(); }  public static countries load(context p_context) {     countries countries = null;      sharedpreferences w_sp = p_context.getsharedpreferences("countries", activity.mode_private);     if (w_sp != null) {         countries = new countries();         countries.nameconutry = w_sp.getstring("ctry_cd", "");         countries.moneycountry = w_sp.getstring("curr_name", "");     }      return countries; }  public jsonobject tojsonobject() {     jsonobject w_json = new jsonobject();      try {         w_json.put("ctry_cd", nameconutry);         w_json.put("curr_name", moneycountry);      } catch (jsonexception e) {         return null;     }      return w_json; }  public static countries fromjsonobject(jsonobject p_json) {     countries countries = null;      try {         string w_namecountry = p_json.getstring("ctry_cd");         string w_moneycountry = p_json.getstring("curr_name");         string w_flag = p_json.getstring("curr_cd");           countries = new countries(w_namecountry, w_moneycountry, w_flag);     } catch (jsonexception e) {         return null;     }      return countries; }  public string getnameconutry() {     return nameconutry; }  public void setnameconutry(string nameconutry) {     nameconutry = nameconutry; }  public string getmoneycountry() {     return moneycountry; }  public void setmoneycountry(string moneycountry) {     moneycountry = moneycountry; }  public string getflag() {     return flag; }  public void setflag(string flag) {     flag = flag; }   public class countriesactivity extends appcompatactivity {  private static final string tag_ctry_cd = "ctry_cd"; private static final string tag_curr_name = "curr_name";  private searchview searchview; spinner spinner; private arraylist<countries> arraycountry; private jsonarray jsonarray;  private countriesadapter01 adapter;  private listview listview;  textview txtsearch, txtback; progressdialog pg_dialog;    @override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.countries_activity);      searchview = (searchview) findviewbyid(r.id.searchview);     init(); }  private void init(){     new loadinfo().execute();     searchview();      listview = (listview) findviewbyid(r.id.listview);     spinner = (spinner) findviewbyid(r.id.splist);     txtsearch = (textview) findviewbyid(r.id.txtsearch);     txtback = (textview) findviewbyid(r.id.txt_back);       spinner.setonitemselectedlistener(new adapterview.onitemselectedlistener() {         @override         public void onitemselected(adapterview<?> adapterview, view view, int i, long l) {             string title = arraycountry.get(i).nameconutry;             toast.maketext(getapplicationcontext(), "you have selected : " + title, toast.length_short).show();             txtsearch.settext(title);             adapter.imgselected  = new imageview(getapplicationcontext());             adapter.imgselected.setvisibility(view.visible);         }          @override         public void onnothingselected(adapterview<?> adapterview) {          }     });      listview.setonitemclicklistener(new adapterview.onitemclicklistener() {         @override         public void onitemclick(adapterview<?> adapterview, view view, int i, long l) {             toast.maketext(getapplicationcontext(), "you have selected : " + arraycountry.get(i).nameconutry, toast.length_short).show();         }     });       txtback.setonclicklistener(new view.onclicklistener() {         @override         public void onclick(view view) {             onbackpressed();         }     });   }  private class loadinfo extends asynctask<string, string, string> {      @override     protected void onpreexecute() {         super.onpreexecute();         pg_dialog=new progressdialog(countriesactivity.this);         pg_dialog.setmessage("loading....");         pg_dialog.setindeterminate(false);         pg_dialog.setcancelable(false);         //pg_dialog.show();      }      @override     protected string doinbackground(string... strings) {         jsonarray = getjsondata("countries.json");          return string.valueof(jsonarray);     }      @override     protected void onpostexecute(string result) {         super.onpostexecute(result);          //pg_dialog.dismiss();          arraycountry = new arraylist<>();          try{             jsonarray = new jsonarray(result);              for(int = 0;i < jsonarray.length();i++){                 jsonobject json_data = jsonarray.getjsonobject(i);                 countries countries = new countries();                 countries.nameconutry = json_data.getstring(tag_ctry_cd);                 countries.moneycountry= json_data.getstring(tag_curr_name);                  arraycountry.add(countries);             }              adapter = new countriesadapter01(countriesactivity.this, arraycountry);              adapter.notifydatasetchanged();             spinner.setadapter(adapter);             listview.setadapter(adapter);          }catch (exception e){             toast.maketext(countriesactivity.this, "can not load information", toast.length_long).show();         }     } }  private void searchview(){     searchview.setonquerytextlistener(new searchview.onquerytextlistener() {         @override         public boolean onquerytextsubmit(string s) {             return true;         }          @override         public boolean onquerytextchange(string newtext) {             if ( textutils.isempty(newtext) ) {                 adapter.getfilter().filter("");             } else {                 adapter.getfilter().filter(newtext.tostring());             }             return true;         }     }); }  private jsonarray getjsondata(string filename){      jsonarray jsonarray=null;      try {         inputstream = getassets().open(filename);         int size = is.available();         byte[] data = new byte[size];         is.read(data);         is.close();         string json = new string(data, "utf-8");         jsonarray=new jsonarray(json);     }catch (ioexception e){         e.printstacktrace();     }catch (jsonexception je){         je.printstacktrace();     }     return jsonarray; }  @override protected void onresume() {     super.onresume();     //init(); }  @override protected void onrestart() {     super.onrestart(); }   public class countriesadapter01 extends baseadapter implements filterable, spinneradapter {  private static final string tag_flag = "flag"; private context mcontext; arraylist<countries> arraylist; arraylist<countries> arraylistsearch; public textview txtctry; public imageview imgselected;  public countriesadapter01(context mcontext, arraylist<countries> arraylist) {     this.mcontext = mcontext;     this.arraylist = arraylist; }   @override public view getview(final int position, view convertview, viewgroup parent) {     final myviewholder holder = new myviewholder();      view itemview = convertview;     if(itemview == null) {          layoutinflater inflater = (layoutinflater) mcontext.getsystemservice(context.layout_inflater_service);         itemview = inflater.inflate(r.layout.item_countries, parent, false);     }      txtctry = (textview)itemview.findviewbyid(r.id.txt_ctry_cd);     holder.txtcurrname = (textview)itemview.findviewbyid(r.id.txt_curr_name);     holder.imgselected = (imageview) itemview.findviewbyid(r.id.img_selected);     holder.imgflag = (imageview) itemview.findviewbyid(r.id.img_flag);      txtctry.settext(arraylist.get(position).nameconutry);     holder.txtcurrname.settext(arraylist.get(position).moneycountry);       new asynctask<string, string, bitmap>(){          @override         protected bitmap doinbackground(string... strings) {             inputstream inputstream = null;             string[] images = new string[0];             try {                 images = mcontext.getassets().list(tag_flag);                 arraylist<string> listimages = new arraylist<string>(arrays.aslist(images));                 inputstream = mcontext.getassets().open(tag_flag + "/" + listimages.get(position));             } catch (ioexception e) {                 e.printstacktrace();             }             final bitmap drawable = bitmapfactory.decodestream(inputstream);             return drawable;         }          @override         protected void onpostexecute(bitmap bitmap) {             super.onpostexecute(bitmap);             holder.imgflag.setimagebitmap(bitmap);         }     }.execute();      itemview.settag(holder);     return itemview; }  @override public int getcount() {     return arraylist.size(); }  @override public object getitem(int position) {     return arraylist.get(position); }  @override public long getitemid(int position) {     return position; }  @override public filter getfilter() {     return new filter() {         @override         protected filterresults performfiltering(charsequence constraint) {             final filterresults oreturn = new filterresults();             final arraylist<countries> results = new arraylist<countries>();             if (arraylistsearch == null)                 arraylistsearch  = arraylist;             if (constraint != null){                 if(arraylistsearch !=null & arraylistsearch.size()>0 ){                     ( final countries g :arraylistsearch) {                         if (g.nameconutry.tolowercase().contains(constraint.tostring()))results.add(g);                     }                 }                 oreturn.values = results;             }             return oreturn;         }          @override         protected void publishresults(charsequence charsequence, filterresults filterresults) {             arraylist = (arraylist<countries>)filterresults.values;             notifydatasetchanged();         }     }; }  @override public view getdropdownview(int position, view convertview, viewgroup parent) {     textview txtdrop = new textview(mcontext);      txtdrop.setpadding(16, 16, 16, 16);     txtdrop.settextsize(18);     txtdrop.setgravity(gravity.center_vertical);      txtdrop.settext(arraylist.get(position).nameconutry);      txtdrop.settextcolor(color.parsecolor("#000000"));     return  txtdrop; }  static class myviewholder{     public imageview imgflag, imgselected;     public textview txtcurrname; 

note:i load json , image assets folder.

result