Retrofit2.0 设置 连接超时

   // Retrofit 网络数据请求
    public static RetrofitAPI Retrofit() {
        if (retrofitAPI == null) {
            retrofitAPI = new Retrofit.Builder()
                    .baseUrl(ApkManager.baseUrl)
                    .addConverterFactory(GsonConverterFactory.create())
                    .client(genericClient())
                    .build()
                    .create(RetrofitAPI.class);
        }
        return retrofitAPI;
    }


    public static String date = "000000"; //记录版本发布时间

    public static OkHttpClient genericClient() {
        OkHttpClient httpClient = new OkHttpClient.Builder()
                .addInterceptor(new Interceptor() {
                    @Override
                    public Response intercept(Chain chain) throws IOException {
                        Request request = chain.request()
                                .newBuilder()
                                .addHeader("User-Agent", "Magikare/Therapist/"+date)
                                .build();
                        return chain.proceed(request);
                    }
                }).connectTimeout(30, TimeUnit.SECONDS).      // 设置连接超时时间
                readTimeout(30, TimeUnit.SECONDS).
                writeTimeout(30, TimeUnit.SECONDS).build(); 

        return httpClient;
    }