Replace callbacks with observables from RxJava

Question

Im using listeners as callbacks to observe asynchronous operations with Android, but I think that could be great replacing this listeners with RxJava, Im new using this libr

Answer 1

Maybe.create(new MaybeOnSubscribe() {
      @Override
      public void subscribe(MaybeEmitter e) throws Exception {
        OnSuccessListener(uri->{
          e.onSuccess(uri));
        })
        .addOnFailureListener(throwable -> {
          e.onError(throwable);
        });
      }
    });