我从网站下载文件并检查大小(如果我检查操作系统中的大小(以字节为单位)。connection.getContentLength(); BufferedInputStreambufferedInputStream = new BufferedInputStream(connection.getInputStream());
File destFile =sizeAfter == si
e.printStackTrace(); final BufferedInputStreambufferedInputStream
= new BufferedInputStream(url.openStream());Bitmap bitmap = BitmapFactory.decodeStream(bufferedInp