class V extends ImageView {

        private final Matrix matrix;

        public V(Context context) {
            super(context);
            matrix = new Matrix();
            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.postScale(scale, scale);
                matrix.postTranslate(0, h - scale * d.getIntrinsicWidth());
                setImageMatrix(matrix);
            }
        }
    }