MainViewModel (ScaleScroller 1.0)

java.lang.Object
- androidx.lifecycle.ViewModel
- - androidx.lifecycle.AndroidViewModel
  - - edu.cnm.deepdive.scalescroller.viewmodel.MainViewModel

All Implemented Interfaces:

LifecycleObserver
```
public class MainViewModel
extends AndroidViewModel
implements LifecycleObserver
```
Serves as the ViewModel for all fragments except the GameFragment.

Constructor Summary

Constructors
Constructor Description

MainViewModel(Application application)
The constructor initializes repositories, services, and other elements needed by the ViewModel.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`LiveData<List<ChallengeAttemptWithPlayer>>`	`getHighScores()`	Returns LiveData of a list of the highest-scoring challenge attempts and their associated players.
`LiveData<Player>`	`getPlayer()`	Returns LiveData of the current player.
`LiveData<List<Scale>>`	`getScales()`	Returns LiveData of a list of all scales in the database, ordered by difficulty.

Methods inherited from class androidx.lifecycle.AndroidViewModel
getApplication

Methods inherited from class androidx.lifecycle.ViewModel
onCleared

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MainViewModel
```
public MainViewModel(@NonNull
                     Application application)
```
    The constructor initializes repositories, services, and other elements needed by the ViewModel.
    
    Parameters:
    
    application - The ScaleScroller application.
- Method Detail
  - getPlayer
```
public LiveData<Player> getPlayer()
```
    Returns LiveData of the current player.
    
    Returns:
    
    LiveData of the current Player.
  - getHighScores
```
public LiveData<List<ChallengeAttemptWithPlayer>> getHighScores()
```
    Returns LiveData of a list of the highest-scoring challenge attempts and their associated players. Uses the default number of high scores.
    
    Returns:
    
    LiveData of a List of the highest-scoring ChallengeAttemptWithPlayer.
  - getScales
```
public LiveData<List<Scale>> getScales()
```
    Returns LiveData of a list of all scales in the database, ordered by difficulty.
    
    Returns:
    
    LiveData of a List of all Scale in the database.