Image Centered Span

ImageCenteredSpan.java

class ImageCenteredSpan extends ImageSpan {
    public ImageCenteredSpan(Drawable d) {
        super(d);
    }

    @Override
    public void draw(Canvas canvas, CharSequence text,
                     int start, int end, float x,
                     int top, int y, int bottom, Paint paint) {
        Drawable b = getDrawable();
        canvas.save();

        int transY = bottom - b.getBounds().bottom;
        transY -= paint.getFontMetricsInt().descent / 2;

        canvas.translate(x, transY);
        b.draw(canvas);
        canvas.restore();
    }
}