docs: private static Drawable createArrowIcon(Context context, int width, int height, int color, ExpandDirection expandDirection) {
          Bitmap canvasBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
          Canvas canvas = new Canvas(canvasBitmap);
          Paint paint = new Paint();
          paint.setStyle(Paint.Style.FILL_AND_STROKE);
          paint.setStrokeWidth(1);
          paint.setColor(color);
          paint.setAntiAlias(true);
          Path path = new Path();
          path.setFillType(Path.FillType.EVEN_ODD);
          switch (expandDirection) {
              case UP:
                  path.moveTo(0, (height / 3) * 2);
                  path.lineTo(width, (height / 3) * 2);
                  path.lineTo(width / 2, height / 3);
                  path.lineTo(0, (height / 3) * 2);
                  break;
              case DOWN:
                  path.moveTo(0, height / 3);
                  path.lineTo(width, height / 3);
                  path.lineTo(width / 2, (height / 3) * 2);
                  path.lineTo(0, height / 3);
                  break;
          }
          path.close();
          canvas.drawPath(path, paint);
          return new BitmapDrawable(context.getResources(), canvasBitmap);
      }