Cannot create an instance of class ViewModel kotlin

Question

Here is my code

class BookmarkViewModel(app: Application) : AndroidViewModel(app) {

    private val dao = BookmarkDb.get(app).bookmarkDao()

    companion o         


        

Answer 1

In my case this implementation solved my problem

implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0"

before I implemented this only implementation "androidx.lifecycle:lifecycle-extensions:2.2.0"