HttpUrl.Builder urlBuilder = HttpUrl.parse("https://ajax.googleapis.com/ajax/services/search/images").newBuilder();
urlBuilder.addQueryParameter("v", "1.0");
urlBuilder.addQueryParameter("q", "android");
urlBuilder.addQueryParameter("rsz", "8");
String url = urlBuilder.build().toString();
Request request = new Request.Builder()
.url(url)
.build();