问题描述
当我的应用程序最初下载时，用户需要下载一个大小的文件，如200MB（上限）。我绝对不能期望用户保持应用程序打开，直到此文件下载。所以他/她可能会关闭应用程序该应用程序将进入后台。
When my app is initially downloaded, the user needs to download a large file something like 200MB (upper limit). I definitely can't expect the user to keep the app open till this file is downloaded. So he/she might close the app & the app will go into background.
如何在这种情况下继续下载文件？这是甚至可能在iOS？
How can I continue to download the file in this scenario? Is this even possible in iOS?
推荐答案
开始下载是可以启动后台任务：
It is possible to start a background task when you begin the download:
然而，这样的任务被系统限制在不确定的执行时间量。但是，在这种情况下，200Mb的文件下载可能太大了。
However, such a task is limited to an undefined amount of execution time by the system. However, a 200Mb file download may be too large a task in this case.
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