Can an Android Architecture Components ViewModel compose an object from multiple LiveData returning models?

Question

I\'ve been unable to create an Android Architecuture Components ViewModel that composes multiple LiveData models into one LiveData class for my Fragment to observe. I want t

Answer 1

I would suggest to take a different approach:

• Use reactive streams (RxJava) to represent your model
• Convert your RxJava Observables into LiveData using lifecycle-reactivestreams from the Architecture Components.

By using RxJava you can easily merge observables together and only expose that combination to the view using LiveData. I would recommend to use LiveData only to expose state to the view (Fragment or Activity).

I wrote an article on how to do this. You might find it useful.