ArhamTechMind

SharedPreferences Android to save Data

Most Android apps need to save data, even if only to save information about the app state during onPause() so the user’s progress is not lost. Most non-trivial apps also need to save user settings, and some apps must manage large amounts of information in files and databases. 

If you have a relatively small collection of key-values that you’d like to save, you should use the SharedPreferences APIs. A SharedPreferences object points to a file containing key-value pairs and provides simple methods to read and write them. 

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