PostsOverviewViewModel.kt

class PostsOverviewViewModel : ViewModel() {

    private val _posts = MutableLiveData<List<Post>>()
    val post: LiveData<List<Post>>
        get() = _posts

    init {
       getPosts()
    }

    private fun getPosts() {
        viewModelScope.launch {
         val getDeferredPosts = PostApi.retrofitService.getPosts()
            try {
                val listResult = getDeferredPosts
                if(listResult.isNotEmpty()){
                    _posts.value = listResult
                }
            }catch (e:Exception){
                _posts.value = ArrayList()
            }
        }
    }

}