Paint paint1 = new Paint(); paint1.setXfermode(new PorterDuffXfermode(Mode.CLEAR)); canvas.drawPaint(paint1); paint1.setXfermode(new PorterDuffXfermode(Mode.SRC));
Paint paint1 = new Paint(); paint1.setXfermode(new PorterDuffXfermode(Mode.CLEAR)); canvas.drawPaint(paint1); paint1.setXfermode(new PorterDuffXfermode(Mode.SRC));