How to run 2 queries sequentially in a Android RxJava Observable?

Question

I want to run 2 asynchronous tasks, one followed by the other (sequentially). I have read something about ZIP or Flat, but I didn\'t understand it very well...

My pu

Answer 1

The operator to do that would be merge, see http://reactivex.io/documentation/operators/merge.html.

My approach would be to create two observables, let's say observableLocal and observableRemote, and merge the output:

Observable