有没有办法在 Android 中以编程方式使用密码保护文件夹？
最佳答案
By default, files saved to the internal storage are private to your application and other applications cannot access them (nor can the user).
http://developer.android.com/guide/topics/data/data-storage.html#filesInternal
关于java - 有没有办法用密码保护文件夹？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/3734166/