Listview mit Bild vom Speicher laden

public View getView(int position, View convertView, ViewGroup parent) {
Bitmap bitmap = null;
        ViewHolder holder;
        if (convertView == null) {
            convertView = l_Inflater.inflate(R.layout.item_details_view, null);
            holder = new ViewHolder();
            holder.txt_itemName = (TextView) convertView.findViewById(R.id.name);
            holder.txt_itemDescription = (TextView) convertView.findViewById(R.id.itemDescription);
            holder.txt_itemPrice = (TextView) convertView.findViewById(R.id.price);
            holder.itemImage = (ImageView) convertView.findViewById(R.id.photo);

            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }
    
        
        holder.txt_itemName.setText(itemDetailsrrayList.get(position).getName());
        holder.txt_itemDescription.setText(itemDetailsrrayList.get(position).getItemDescription());
        holder.txt_itemInfo.setText(itemDetailsrrayList.get(position).getPrice());
        
                holder.itemImage.setImageBitmap(bitmap_öffnen(bitmap));


        return convertView;
    }

public Bitmap bitmap_öffnen(Bitmap bitmap){
        

        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inPreferredConfig = Bitmap.Config.ARGB_8888;
         return bitmap = BitmapFactory.decodeFile(Global.bild_path, options);
    }

ArrayList<ItemDetails> results = new ArrayList<ItemDetails>();
ItemDetails item_details = new ItemDetails();
item_details = new ItemDetails();
item_details.setName("" + var[1] + " " + var[2]);
item_details.setItemDescription("Anzahl der Roms:");
item_details.setInfo("");
results.add(item_details);