从assets文件夹中删除数据库文件
[英]Delete database file from assets folder
问题描述
I want to delete a file in assets folder in run-time. 
我想在运行时删除assets文件夹中的文件。 I have a database file in assets folder that copies to data folder at run-time but after installing my app the size of app become twice as large (assets + data folder)! 我在资源文件夹中有一个数据库文件，在运行时复制到数据文件夹但在安装我的应用程序后，应用程序的大小变为两倍大（资产+数据文件夹）！
How I can delete database file from assets folder to avoid this? 如何从assets文件夹中删除数据库文件以避免这种情况？
2 个解决方案
解决方案1
14 已采纳 2012-03-23 08:52:27
You can't delete a file at runtime that was delivered with your App. 您无法在运行时随应用程序一起删除文件。
See this discussion about it: 看到关于它的讨论：
How to remove a file in assets at run time? 如何在运行时删除资产中的文件？
The whole content of your APK is read only and can not be modified 您APK的全部内容是只读的，无法修改
解决方案2
0 2012-03-23 09:34:11
除了上面的答案，你可以做的一件事就是在manifest ...中的preferExternalStorage将会有所帮助
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