I was asked if I knew if Preferences DataStore could use encrypted files. I didn't. As this is a very interesting question, I decided to take a look at the source code. Here's what I found.
To prepare the data store, I used val Context.dataStore by preferencesDataStore("user_preferences").
As you can see, an instance of PreferenceDataStoreSingletonDelegate is returned. Here's the interesting part:
So, next stop: PreferenceDataStoreFactory.create():
So, the final destination is PreferencesSerializer. It overrides two suspending functions, readFrom() and writeTo(). I guess that the changes would need to be made there. In theory the api might be expanded to pass in alternative implementations.
So, I hope you enjoyed this short dig. 😎
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I was asked if I knew if Preferences DataStore could use encrypted files. I didn't. As this is a very interesting question, I decided to take a look at the source code. Here's what I found.
To prepare the data store, I used
val Context.dataStore by preferencesDataStore("user_preferences").As you can see, an instance of
PreferenceDataStoreSingletonDelegateis returned. Here's the interesting part:So, next stop:
PreferenceDataStoreFactory.create():So, the final destination is
PreferencesSerializer. It overrides two suspending functions,readFrom()andwriteTo(). I guess that the changes would need to be made there. In theory the api might be expanded to pass in alternative implementations.So, I hope you enjoyed this short dig. 😎