With our Context we can get SharedPreferences with a method, named: getSharedPreferences (String name, int mode). What value can we transfer in a "mode"parameter?

@Query is the main annotation used in DAO classes. It allows you to perform read/write operations on a database. Each @Query method is verified at compile time, so what happens if there is a problem with the query?

With recommended app architecture. Fill the following diagram, which shows how all the modules usually should interact with one another after designing the app (drag modules to correct places).

In a common Paging Library architecture scheme, move instances to the correct positions.

In our TeaViewModel class, that extends ViewModel, we have such prorerty:
val tea: LiveData<Tea>
An observer in our Activity (type of mViewModel variable in example is TeaViewModel) is set in this way:
mViewModel!!.tea.observe(this, Observer { tea: Tea? -> displayTea(tea) }) What will be a correct displayTea method definition?