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int x = (int) imageView.getX();
        int y = (int) imageView.getY();
        int bitmapX = bitmap.getWidth();
        int bitmapY = bitmap.getHeight();
        Bitmap bitmap1 = Bitmap.createBitmap(bitmap,x,y,bitmapX-x,bitmapY-y);

        if (bitmap != null){
            blur(bitmap1,imageView,8);//模糊处理
        }
        bitmap1.recycle();
        convenientBanner.setDrawingCacheEnabled(false);//清除缓存
    }
};