Read-only wrapper around SharedPreferences. This will be passed in to your migration.
Checks whether the preferences contains a preference.
Retrieve all values from the preferences that are in the specified keySet.
Retrieves a boolean value from the preferences.
Retrieves a float value from the preferences.
Retrieves a int value from the preferences.
Retrieves a long value from the preferences.
Retrieves a string value from the preferences.
Retrieves a string set value from the preferences.