ion.java

Ion.with(mainActivity)
    .load("GET", "http://url.com")
    .addQuery("type", "something")
    .addQuery("radius","50")
    .asJsonObject()
    .setCallback(new FutureCallback<JsonObject>() {
        @Override
        public void onCompleted(Exception e, JsonObject result) {
            Log.d("TAG", result);
        }
    });