如何存储卸载后剩余的数据 [英] How to store data that remains after uninstall

问题描述

我想存储一些数据，这些数据在应用程序卸载后也应该保留，并且可以由该应用程序的新版本访问. 共享首选项/文件不是解决方案，因为在卸载程序时会删除共享首选项/文件，而且写入内部存储器也不是解决方案(也可以在卸载时删除). 写入外部公用文件夹时，我看到它并未被删除，但这需要外部SD卡，并且不希望受到此限制. 我不知道如何使用SQLite数据库，它是如何工作的?这可能是我想要的解决方案吗? 或任何其他解决方案将不胜感激.

I want to store some data that should remain also after application uninstall and to be accessible by a new version of this application. Share preferences/files are not a solution as they are removed when program is uninstalled, also writing to internal memory is not a solution (also removed with uninstall). Writing to external public folders I see that is not removed but this would require an external SD Card and don't want to be constrained by this. I don't know about using the SQLite database, how it works? It could be a solution for what I want ? Or any other solutions would be appreciated.

推荐答案

您的应用程序创建的数据库将存储在/data/data/your.package.name/databases/中，并且在卸载应用程序时将被删除.

The databases made by your app will be stored in /data/data/your.package.name/databases/ and will be deleted on uninstallation of the app.

所以，这不是解决方案.我认为唯一的方法是使用SD卡.

So, that's not a solution. I think the only way would be using the SD-card.

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