Good day, I am building an Android Application. I want to store a set of strings in the Preferences to order to track who used the application based on their log in informat
You could write your results to a JSON String and store them in Shared Preferences like this: https://stackoverflow.com/a/5968562/617044
But if you choose to go down the route you're currently on then you're going to have to store a parcelable.
As noted in another answer; you can use putStringSet(), getStringSet() if you're building for API 11+.