get Encrypted Preference
Retrieves an encrypted preference value associated with the given key.
This function fetches an encrypted preference value stored in the SharedPreferences. It uses the getSharedPreferences function to access the SharedPreferences instance. If the preference value for the specified key is not found, an empty string is returned.
Return
The encrypted preference value for the given key or an empty string if not found.
Parameters
key
The key associated with the preference value to retrieve.