Sample ClientModule HttpRetryInterceptor https://hackernoon.com/yet-another-mvp-article-part-3-calling-apis-using-retrofit-23757f4eee05

ClientModule.java

@Singleton
@Provides
@Named("retryInterceptor")
public Interceptor provideRetryInterceptor(@Named("retryCount") int retryCount) {
    return chain -> {
        Request request = chain.request();
        Response response = null;
        IOException exception = null;

        int tryCount = 0;
        while (tryCount < retryCount && (null == response || !response.isSuccessful())) {
            // retry the request
            try {
                response = chain.proceed(request);
            } catch (IOException e) {
                exception = e;
            } finally {
                tryCount++;
            }
        }

        // throw last exception
        if (null == response && null != exception)
            throw exception;

        // otherwise just pass the original response on
        return response;
    };
}