SocketRocket and iOS certificate pinning

OkHttpClient.Builder = new OkHttpClient.Builder();

if (applyPins()) {
    CertificatePinner certificatePinner = new CertificatePinner.Builder()
                    .add("dummy.com", "sha256/xxxxxxxxxx=")
                    .build();     

    builder..certificatePinner(certificatePinner);
}


OkHttpClient httpClient = builder
        .callTimeout(240, TimeUnit.SECONDS)
        .readTimeout(240, TimeUnit.SECONDS)
        .retryOnConnectionFailure(true)
       .build();

Retrofit retrofitKripton = new Retrofit.Builder()
        .baseUrl(baseUrl)
        .addConverterFactory(KriptonBinderConverterFactory.create())
        .addConverterFactory(ScalarsConverterFactory.create())
        .client(httpClient).build();