Paint paint = new Paint();
paint.setXfermode(new PorterDuffXfermode(Mode.CLEAR));
canvas.drawPaint(paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC));
参考链接:http://stackoverflow.com/questions/4650755/clearing-canvas-with-canvas-drawcolor
Paint paint = new Paint();
paint.setXfermode(new PorterDuffXfermode(Mode.CLEAR));
canvas.drawPaint(paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC));
参考链接:http://stackoverflow.com/questions/4650755/clearing-canvas-with-canvas-drawcolor
本文标题：Android清除canvas内容
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