Google Related Exams
Associate-Android-Developer Exam
What do you want from Room when you create a DAO method and annotate it with @Update?
Example:
@Dao
interface MyDao {
@Update
fun updateUsers(vararg users: User)
}
As an example. In an Activity we have our TimerViewModel object (extended ViewModel), named mTimerViewModel. mTimerViewModel.getTimer() method returns a LiveData
By adding a RoomDatabase.Callback to the room database builder RoomDatabase.Builder (method
addCallback(RoomDatabase.Callback callback)), we can: (Choose two.)