This app works almost exactly like the hello world flutter app. But it will store the counter value in Hive.
You can learn how to open Hive and use it's basic methods.
This To-Do app has a generated TypeAdapter for the
Todo class. It also stores the state of the app (sorting order of todos).
The sketchpad app uses a custom TypeAdapter to store the drawn path efficiently. It shows how even big data can be stored very fast.