class V extends ImageView {

        public V(Context context) {
            super(context);
            setScaleType(ScaleType.MATRIX);
        }

        @Override
        protected void onSizeChanged(int w, int h, int oldw, int oldh) {
            super.onSizeChanged(w, h, oldw, oldh);
            Drawable d = getDrawable();
            if (d != null) {
                float scale = w / (float) d.getIntrinsicWidth();
                Matrix matrix = new Matrix();
                RectF src = new RectF(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());
                RectF dst = new RectF(0, 0, w, h);
                matrix.setRectToRect(src, dst, Matrix.ScaleToFit.CENTER);
                float[] points = {
                        0, d.getIntrinsicHeight()
                };
                matrix.mapPoints(points);
                matrix.postTranslate(0, h - points[1]);
                setImageMatrix(matrix);
            }
        }
    }