<Cannot create an instance of class ViewModel dagg...

# stackoverflow

[user]

Cannot create an instance of class ViewModel dagger2
Cannot create an instance of class FacebookViewMdel.
dispatchingAndroidInjector and viewModelFactory return nullobject reference.
trying to make facebook ligin page using dagger .

public class FacebookActivity extends AppCompatActivity implements IOnRequestCompleted,
RestFinishLoginWithFbInterface,HasActivityInjector,RestPostAllContactInterface {

@Inject
DispatchingAndroidInjector dispatchingAndroidInjector;

@Inject
ViewModelProvider.Factory viewModelFactory;

private...