MovieViewModel.kt

class MovieViewModel(private val movieDao: MovieDao): ViewModel() {

    // ...

    fun updateMovieName(newText: TextFieldValue) {
        _movieName.value = newText
    }

    fun insertMovie(movieName: String) {
        viewModelScope.launch {
            movieDao.insert(Movie(name = movieName))
        }
    }

    fun deleteMovies() {
        viewModelScope.launch {
            movieDao.deleteMovies()
        }
    }
}