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I am creating an app where the user does some things during a game, and these actions are logged in a SQLite-database. At the end of the game the app presents these logs through a screen, which are read by the game administrators (like, physically read by the game administrators watching the screen). Is there some ways for the contestants to manipulate the database, and if not, what security measures prevent them from doing this?
The database is stored under
/data/data/your.applications.package/databases. Normally this location could only be access by the user the Android OS created for the app. No other user is able to access this location unless the device is rooted. Then any user can access any location on the phone and manipulate the data.So if you want to prevent users from cheating you need some way to check if the values in the database are untouched. Perhaps you can store some kind of fingerprint on a server to check this.