1
HttpResponse responseGet;
try {
responseGet = client.execute(get);
switch (responseGet.getStatusLine().getStatusCode()) {
case 200:
File SDCardRoot = Environment.getExternalStorageDirectory();
File directory = new File(SDCardRoot
+ "/OfflineDocuments/"
+ (document.getPath() == null ? ""
: (document.getPath() + "/")));
directory.mkdirs();
File file = new File(directory, fileName);
InputStream is = responseGet.getEntity().getContent();
BufferedInputStream bis = new BufferedInputStream(is);
ByteArrayBuffer baf = new ByteArrayBuffer(50);
int current = 0;
while ((current = bis.read()) != -1) {
baf.append((byte) current);
}
FileOutputStream fos = new FileOutputStream(file);
fos.write(baf.toByteArray());
fos.close();
break;
default:
Log.e("Statuscode", "Unexpected status code: "
+ responseGet.getStatusLine().getStatusCode());
break;
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (Exception e1) {
e1.printStackTrace();
}
这适用于小文档。但对于大于几MB的文档,此代码会因“OutOfMemoryException”而崩溃。任何想法?下载文件时内存不足
由于每个单字节都被写入,您的解决方案会非常困难地减慢应用程序速度。我改变了这种方式,我总结了1MB,立即写入,并再次缓存1MB。完美的作品。 – 2012-01-04 17:21:45