In this blog post by Google developer Jose Alcérreca it is recommended to use a transformation in this case (see the “LiveData in repositories” paragraph) because ViewModel shouldn’t hold any reference related to View (Activity, Context etc) because it made it hard to test.
Use liveData.postValue(value) instead of liveData.value = value. It called asynchronous. From documentation: postValue – Posts a task to a main thread to set the given value.
Based on the documentation: setValue(): Sets the value. If there are active observers, the value will be dispatched to them. This method must be called from the main thread. postValue(): Posts a task to a main thread to set the given value. If you called this method multiple times before a main thread executed a … Read more