know where clicked gridview android -

i new android, , i'm developing game memorized. using gridview display images. have arraylist pictures (animals) , arraylist images (incognita). able when click on image display animal, , if backs equal, if not match can hide clickeo last picture. achievement esconnder not first image clicked. how can know elements of gridview pushed ?.

greetings , thanks.

public class juego3libre extends activity implements android.widget.adapterview.onitemclicklistener {

private arraylist<integer> animaleslist = new arraylist<integer>();  private arraylist<integer> signolist = new arraylist<integer>();   int[] comparar = new int[2]; int[] temporal = new int[2]; int contador=0,contador2=0;  imageview imgv1; @override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.juego3libre);     //acá seteo el nombre del layout     this.settitle("juego memorice");      gridview gridview = (gridview) findviewbyid(r.id.gridview);     gridview.setadapter(new imageadapter(this));      gridview.setonitemclicklistener(this);   }  public class imageadapter extends baseadapter{      private context contexto;      public imageadapter(context c){         contexto=c;          //thumbnails loaded         animaleslist.add(r.drawable.caballo);         animaleslist.add(r.drawable.cerdo);         animaleslist.add(r.drawable.leon);         animaleslist.add(r.drawable.rana);         animaleslist.add(r.drawable.gato);         animaleslist.add(r.drawable.gallo);         animaleslist.add(r.drawable.foca);         animaleslist.add(r.drawable.mono);          animaleslist.add(r.drawable.caballo);         animaleslist.add(r.drawable.cerdo);         animaleslist.add(r.drawable.leon);         animaleslist.add(r.drawable.rana);         animaleslist.add(r.drawable.gato);         animaleslist.add(r.drawable.gallo);         animaleslist.add(r.drawable.foca);         animaleslist.add(r.drawable.mono);          collections.shuffle(animaleslist);          signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);         //         signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);         signolist.add(r.drawable.signointe);      }      @override     //number of images displayed     public int getcount() {         // todo auto-generated method stub         return animaleslist.size();     }      @override     public object getitem(int position) {         // todo auto-generated method stub         return position;     }      @override     public long getitemid(int position) {         // todo auto-generated method stub         return position;     }      @override     public view getview(int position, view convertview, viewgroup parent) {         // todo auto-generated method stub         imageview imageview;          if(convertview == null){              imageview = new imageview(contexto);             imageview.setlayoutparams(new gridview.layoutparams(85,85));             imageview.setscaletype(imageview.scaletype.center_crop);             imageview.setpadding(5, 5, 5, 5);         }else{             imageview = (imageview) convertview;         }          //imageview.setimageresource(animaleslist.get(position));         imageview.setimageresource(signolist.get(position));         return imageview;     }  }  @override public void onitemclick(adapterview<?> parent, view v, int position, long id) {     // todo auto-generated method stub      imageview imageview =(imageview) v;     //i image in touched position , setup image     imageview.setimageresource(animaleslist.get(position));      comparar[contador] = animaleslist.get(position);     contador=contador+1;      temporal[contador2] = animaleslist.get(position);     contador2=contador2+1;      //clean test score     textview tv = (textview)findviewbyid(r.id.numeropuntaje);     tv.settext(" ");      //i compare images touched     while(contador==2){         if(comparar[0]==comparar[1]){             //set text see if comparisons correct             tv.settext("iguales");             contador=0;             contador2=0;         }         if(comparar[0]!=comparar[1]){             //set text see if compareciones incorrect             tv.settext("diferentes");              //i try hide images not same             imageview.setimageresource(signolist.get(temporal[0]));             imageview.setimageresource(signolist.get(temporal[1]));              contador=0;             contador2=0;         }      }  } 

}