Support RecyclerView doesn't show anything until touched

Question

I\'m using the support RecyclerView in my app, and I see the most bizarre thing. It doesn\'t display any items until I touch to scroll. Then, all of a sudden, the RecyclerView p

Answer 1

If anyone else is having this issue using RxJava and Retrofit, I solved this issue by adding the .observeOn(AndroidSchedulers.mainThread()) operator into my method chain before subscribing. I had read this was taken care of by default, and thus not explicitly necessary, but I guess not. Hope this helps.

Example:

public void loadPhotos() {
    mTestPhotoService.mServiceAPI.getPhotos()
                                 .subscribeOn(Schedulers.io())
                                 .observeOn(AndroidSchedulers.mainThread())
                                 .subscribe(photoList -> mRecyclerActivity.OnPhotosLoaded(photoList));
}