I have a need to share preferences between two apps, where one app
writes the preferences and the other needs read only access.
I notice that there is this API available in Context :
public abstract SharedPreferences getSharedPreferences (String
name, int mode). Where I can set the mode to : MODE_WORLD_READABLE
which according to docs means that it will allow all other
applications to have read access to the created file.
My question is : What should be my filename so that the file gets
created and is shared between the apps.
If I give a relative path (getSahredPrefs("filename",
MODE_WORLD_READABLE)) then it gets created in the "data" directory of
the writing app and the other non creating application is not able to
get to it using the same arguments i.e. - getSahredPrefs("filename",
MODE_WORLD_READABLE).
So I assume I need to provide a absolute path - something like ("/data/
data/<pkgname>/<subdir>/filename", MODE_WORLD_READABLE) but I do not
know how to construct that generically using provided APIs so that it
works on every Android phone/image.
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