private Drawable resizeImage(int resId, int w, int h)
    {
          // load the origial Bitmap
          Bitmap BitmapOrg = BitmapFactory.decodeResource(getResources(), resId);
          int width = BitmapOrg.getWidth();
          int height = BitmapOrg.getHeight();
          int newWidth = w;
          int newHeight = h;
          // calculate the scale
          float scaleWidth = ((float) newWidth) / width;
          float scaleHeight = ((float) newHeight) / height;
          // create a matrix for the manipulation
          Matrix matrix = new Matrix();
          matrix.postScale(scaleWidth, scaleHeight);
          Bitmap resizedBitmap = Bitmap.createBitmap(BitmapOrg, 0, 0,width, height, matrix, true);
          return new BitmapDrawable(resizedBitmap);
    }