ViewModel.kt

coroutineScope.launch(Dispatchers.Main) {
  try {
      val parser = Parser()
      val articleList = parser.getArticles(url)
      setArticleList(articleList)
  } catch (e: Exception) {
      e.printStackTrace()
      _snackbar.value = "An error has occurred. Please retry"
      setArticleList(mutableListOf())
  }
}