So far, we’ve talked about apps that run, respond to user input, and follow the activity lifecycle. All of the apps we’ve built so far have to start over whenever the user runs them. In othe words, they don’t store any data between runs. This tutorial talks about data storage, which allows us to save and load data from our app.
This is a companion discussion topic for the original entry at https://happycoding.io/tutorials/android/storage