android - how do i get an app to read the preferences file of a different app by the same developer on the same device? -


how app read preferences file of different app same developer on same device?

i make game apps , want able transfer character info preferences file of free game paid game 1/4 percent or of free android players willing shell out paid game.

also, there tutorial anywhere on unlocking game content through purchase in google play store? option.

http://developer.android.com/guide/topics/manifest/manifest-element.html#uid

you can set same android:shareduserid.

application same user id can access each other's data


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