[Android] deprecated AsyncTask 수정 > RxJava 이용하기

https://androidsrc.net/replace-android-asynctask-rxjava/

Replace Android AsyncTask with RxJava - AndroidSRC

 

        Observable.just(input)
                .map(this::doInBackground)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .doOnSubscribe(this::onPreExecute)
                .subscribe(this::onPostExecute);