Request Get

        Params params = new Params("https://api.douban.com/v2/movie/top250");
        params.addParam("start", "0");
        params.addParam("count", "10");
        Aster.get(params.rtp, params)
                .request(new SimpleCallback<MovieInfo>() {
                    @Override
                    public void onSuccess(MovieInfo response) {
                        ...do something in main thread
                    }

                    @Override
                    public void onError(Throwable e) {
                        ...do something in main thread
                    }
                });