android - show images from internal storage in Recyclerview -

i'm saving images camera , gallery(multi-select) folder in internal storage. want display images in horizontal recyclerview. in row layout, there close button along imageview. want delete image(file) internal storage when close button clicked. i've 2 problems: problem 1: when select images(single or multiple) gallery, images saving correctly in recyclerview, image gallery shown in position i.e. if there 2 images in folder , select 1 image gallery, in recyclerview 3 positions have image gallery only. problem 2: how delete images folder when close button clicked?

//recyclerview adapter  public class recycleimageadapter extends recyclerview.adapter<recycleimageadapter.viewholder> {        private list<string> itemlist;      private context mcontext;        public recycleimageadapter(context context, list<string> itemlist) {          this.itemlist = itemlist;          this.mcontext = context;      }        @override      public recycleimageadapter.viewholder oncreateviewholder(viewgroup parent, int viewtype) {          view view = layoutinflater.from(parent.getcontext()).inflate(r.layout.imagelayout, parent, false);          return new recycleimageadapter.viewholder(view);      }        @override      public void onbindviewholder(final recycleimageadapter.viewholder holder, int position) {          (int i= 0; < itemlist.size(); i++) {              uri uri = uri.parse(itemlist.get(i));              holder.setimageview(uri);              }        }        @override      public int getitemcount() {          return this.itemlist.size();      }        class viewholder extends recyclerview.viewholder implements view.onclicklistener{            imageview image, delbtn;            viewholder(view itemview) {              super(itemview);              image = (imageview) itemview.findviewbyid(r.id.img_thumbnail);              delbtn = (imageview)itemview.findviewbyid(r.id.del);              delbtn.setonclicklistener(this);          }            public void setimageview(uri uri){              picasso.with(mcontext).load(uri).into(new target() {                  @override                  public void onbitmaploaded(bitmap bitmap, picasso.loadedfrom from) {                      image.setimagebitmap(bitmap);                  }                    @override                  public void onbitmapfailed(drawable errordrawable) {                      log.e("sammy_error"," "+errordrawable);                  }                    @override                  public void onprepareload(drawable placeholderdrawable) {                    }              });          }            @override          public void onclick(view view) {              int position = getadapterposition();              toast.maketext(mcontext, itemlist.get(position), toast.length_short).show();              itemlist.remove(position);              notifyitemremoved(position);              notifyitemrangechanged(position, itemlist.size());    			//here i'm getting arrayindexoutofboundsexception              file file = new file(itemlist.get(position));              file.delete();          }      }  }

//in fragment, code load images    file directory = new file(file_path);          file newfile[] = directory.listfiles();          //finalimages arraylist<string>            if(finalimages!=null )finalimages.clear();            (int i= 0; < newfile.length; i++) {              string path = "file://"+newfile[i].getabsolutepath();              finalimages.add(path);          }            recyladapter.notifydatasetchanged();

well don't understand first part explain more.

and in 2nd part simple set image path imageview tag.

imageview.settag(imageabsolutepath); 

and when click on image tag image view , convert file this

file path = new file(imageview.gettag().tostring()); path.delete();