Apply 2 suggestion(s) to 1 file(s)

        final int right = left + qrcode.getIntrinsicWidth();

        final int bottom = top + qrcode.getIntrinsicHeight();

        if (left<=0 || top<=0 || right<=0 || bottom<=0)

        if (left <= 0 || top <= 0 || right <= 0 || bottom <= 0) {

            isValid = false;

        else

        } else {

            qrcode.setBounds(left, top, right, bottom);

        }

    }

    @Override

    protected void onDraw(Canvas canvas) {

        super.onDraw(canvas);

        if (isValid)

        if (isValid) {

            qrcode.draw(canvas);

        }

    }

}