如何暂停，并从远程服务器上的SD卡恢复下载 [英] How to pause and resume download from remote server to SDCard

问题描述

我想知道，是否可以暂停下载，退出应用程序，并在重新启动应用程序的恢复从远程服务器上的文件下载到手机的SD卡。

I was wondering, is it possible to pause download, exit the app and resume download of a file from remote Server to the phone's SDCard upon re-start of the app.

和跟进的问题：我有一个code，通过HTTP下载。我可以通过FTP也做到这一点？哪个更好呢？

And follow up question: I have a code that downloads through HTTP. Can I also do it via FTP? Which is better?

任何建议将高​​度AP preciated。

Any suggestions will be highly appreciated.

推荐答案

的这个问题对Android中恢复下载一些信息。基本上你需要检查一个部分完成下载，如果它存在，检查文件的大小。然后，您可以通过这个值在你请求的头，继续从该位置下载。

This question has some info on resuming downloads in Android. Basically you need to check for a partially completed download, and if it exists, check the file size. You can then pass this value in the header of your request, to resume the download from that location.

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