Cache persistence after app restart

Hi,

First of all, thank you for this great library!
I have an app which streams the same set of videos over and over.
It is to my knowledge that once the app is closed and restarted, the cache is gone.
Is there a way to persist the cache, even after the app is restarted?

Thank you very much for your help!!!

该 issue 未指出任何文件、测试或入口点。首先定位库的缓存存储和初始化路径，然后确定 Android 应用重启时当前如何删除或重新创建缓存数据。完成的标志是视频缓存能够在重启后持久保留，并继续提供相同的视频，同时不丢失缓存数据。

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