xcode iOS 文档目录大小限制
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iOS Documents Directory size limit
提问by DanM
I am creating FTP download app that downloads into Documents Directory, and I have simple questions. Does the Documents Directory have size limit and does the download files stay there permanently until the app is removed?
我正在创建下载到文档目录的 FTP 下载应用程序，我有一些简单的问题。文档目录是否有大小限制，下载文件是否永久保留在那里，直到应用程序被删除？
回答by Midhun MP
I don't know much about this, I had seen a comment in discussions.apple.comlike: There is a limit of 2 GB.
我不知道很多关于这一点，我已经看到在评论discussions.apple.com这样的： 有2 GB的限制。
https://discussions.apple.com/message/7599983?messageID=7599983#7599983?messageID=7599983
https://discussions.apple.com/message/7599983?messageID=7599983#7599983?messageID=7599983
Files in the document directory stay there permanently until the app is removed.
文档目录中的文件永久保留在那里，直到应用程序被删除。
回答by traximus
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the fact is: 2Gb is the app size limit, and the app's directory can more than 2Gb; I found it from apple doc is here, search keyword "2G"
事实是：2Gb 是应用程序的大小限制，应用程序的目录可以超过 2Gb；我从apple doc找到它在这里，搜索关键字“2G”
I don't know if apple did some change, I use an app named PPTV, it can store videos from server, and more than 2Gb; what happens?
不知道苹果有没有改，我用的是一个叫PPTV的app，可以存储服务器上的视频，2Gb以上；发生什么了？
回答by Bhupendra
You should use Cache Directory if you want to cache anything without user's action or your app will get rejected if you dont follow the instructions:
如果您想在没有用户操作的情况下缓存任何内容，您应该使用缓存目录，否则如果您不按照说明操作，您的应用程序将被拒绝：
