public class CustomSelfieListviewAdapter extends BaseAdapter
{
    private Activity activity;
    private ArrayList<HashMap<String, String>> data;
    private static LayoutInflater inflater=null;

    public CustomSelfieListviewAdapter(Activity a, ArrayList<HashMap<String, String>> d)
    {
        activity = a;
        data=d;
        inflater = (LayoutInflater)activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }

    public int getCount()
    {
        return data.size();
    }

    public Object getItem(int position)
    {
        return position;
    }

    public String getItemPath(int position)
    {
        HashMap<String, String> item = new HashMap<String, String>();
        item = data.get(position);
        String mpath = item.get("pic");
        return mpath;
    }

    public long getItemId(int position)
    {
        HashMap<String, String> item = new HashMap<String, String>();
        item = data.get(position);

        int lvID  = Integer.parseInt(item.get("lv_id"));
        return lvID;
    }

    public View getView(int position, View convertView, ViewGroup parent)
    {
        View vi=convertView;
        ViewHolder holder = new ViewHolder();
        HashMap<String, String> item = new HashMap<String, String>();
        item = data.get(position);

        String lvTitle  = item.get("lv_title");
        String lvImages = item.get("lv_img");

        //vi = inflater.inflate(R.layout.activity_listview_selfie_item, null);
        //TextView list_item = (TextView)vi.findViewById(R.id.list_item);
        //list_item.setText(lvTitle);


        String picpath = lvImages;
        Log.i("Pic URL", picpath);

        Uri imgUri = Uri.fromFile(new File(picpath));
        Bitmap bm =  getBitmap(imgUri);//BitmapFactory.decodeFile(picpath, options);
        //ImageView img = (ImageView)vi.findViewById(R.id.picture);
        //img.setImageBitmap(bm);

        if(vi == null)
        {
            vi = inflater.inflate(R.layout.activity_listview_selfie_item, null);
            holder.text = (TextView)vi.findViewById(R.id.list_item);
            holder.icon = (ImageView)vi.findViewById(R.id.picture);
            vi.setTag(holder);
        }

        final int finalPosition = position;


        if(item != null)
        {
            holder = (ViewHolder)vi.getTag();
            holder.text.setText(lvTitle);
            holder.icon.setImageBitmap(bm);
        }

        return vi;
    }

    private Bitmap getBitmap(Uri uri)
    {
        InputStream in;
        try
        {
            final int IMAGE_MAX_SIZE = 200000; //0.2MP 1.2MP
            in = this.activity.getContentResolver().openInputStream(uri);

            // Decode image size
            BitmapFactory.Options o = new BitmapFactory.Options();
            o.inJustDecodeBounds = true;
            BitmapFactory.decodeStream(in, null, o);
            in.close();


            int scale = 1;
            while ((o.outWidth * o.outHeight) * (1 / Math.pow(scale, 2)) > IMAGE_MAX_SIZE)
            {
                scale++;
            }
            Log.d("TAG", "scale = " + scale + ", orig-width: " + o.outWidth + ",orig-height: " + o.outHeight);

            Bitmap b;
            in = this.activity.getContentResolver().openInputStream(uri);
            if (scale > 1)
            {
                scale--;
                // scale to max possible inSampleSize that still yields an image
                // larger than target
                o = new BitmapFactory.Options();
                o.inSampleSize = scale;
                b = BitmapFactory.decodeStream(in, null, o);

                // resize to desired dimensions
                int height = b.getHeight();
                int width = b.getWidth();
                Log.d("TAG", "1th scale operation dimenions - width: " + width + ",height: " + height);

                double y = Math.sqrt(IMAGE_MAX_SIZE / (((double) width) / height));
                double x = (y / height) * width;

                Bitmap scaledBitmap = Bitmap.createScaledBitmap(b, (int) x, (int) y, true);
                b.recycle();
                b = scaledBitmap;

                System.gc();
            }
            else
            {
                b = BitmapFactory.decodeStream(in);
            }
            in.close();

            Log.d("TAG", "bitmap size - width: " + b.getWidth() + ", height: " + b.getHeight());
            return b;
        }
        catch (IOException e)
        {
            Log.e("TAG", e.getMessage(), e);
            return null;
        }
    }
}