public Bitmap resizeImage(Bitmap bitmap, int width, int height)    {        int bmpWidth = bitmap.getWidth();        int bmpHeight = bitmap.getHeight();        float scaleWidth = ((float) width) / bmpWidth;        float scaleHeight = ((float) height) / bmpHeight;        Matrix matrix = new Matrix();        matrix.postScale(scaleWidth, scaleHeight);                return Bitmap.createBitmap(bitmap, 0, 0, bmpWidth, bmpHeight, matrix, true);    }

PS：自用的不解释。。。                                               作者：一个吃货帅锅

Add。。好像。。。

canvas.drawBitmap(bmp, null, new RectF(0, 0, width, height), null);