GetRquestRxExample.java

public static final String URLEx = "https://jsonplaceholder.typicode.com/users/{user_id}/albums";

Rx2AndroidNetworking.get(URLEx).addPathParameter("user_id", "1").build().getJSONArraySingle().doOnSuccess(jsonArray -> {
            //Handle once data is available
        }).doOnError(throwable -> {
            //Handle in case of Error
        }).subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe();