zaur

        URI uri = UriBuilder.create()
                .queryParam("method", "user.authorize")
                .queryParam("email", email)
                .queryParam("password", password)
                .build();

        JsonNode result = get(uri);
        User user = readValue(mObjectMapper, result.get("user"), User.class);

zaur

layout.xml:
    <ProgressBar
        android:id="@+id/pb_loading"
        style="@style/ListSpinner"
        android:layout_centerInParent="true" />



styles.xml:
    <style name="Spinner">