Saving Data on Android

model
 package and name it 
QuizState
. Modify 
your class like below:
sealed
 
class
 
QuizState
 { 
  
object
 LoadingState : QuizState() 
  
data
 
class
 
DataState
(
val
 
data
: QuestionAndAllAnswers) : 
QuizState() 
  
object
 EmptyState : QuizState() 
  
data
 
class
 
FinishState
(
val
 numberOfQuestions: 
Int
, 
val
 score: 
Int
) : QuizState() 
}
Saving Data on Android Chapter 9: Using Room with Google's Architecture Components
raywenderlich.com
158

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As you can see each of the aforementioned states is represented here. The 
Data
 has a 
contains the question that you will display to your users, within 
data
. The 
Finish
 
holds the number of questions in the quiz, within 
numberOfQuestions
 and the 
number of correct answers from the user within 
score
. The other two states - 
Loading
 and 
Empty
 are simple 
object
s, which represent events for the two cases.
Now, it is time to create your 
ViewModel
.
Create a new class under the