Android OK

public class OkHttpUtil {
private static final String METHOD_GET = "GET";
private static final String METHOD_POST = "POST";
public static OkHttpClient okHttpClient;
public OkHttpUtil() {
}

public static void init() {
    OkHttpClient.Builder builder = new OkHttpClient.Builder();
    builder.connectTimeout(5000, TimeUnit.MILLISECONDS);
    builder.writeTimeout(5000, TimeUnit.MILLISECONDS);
    builder.readTimeout(5000, TimeUnit.MILLISECONDS);
    builder.addInterceptor(new OkHeaderInterceptor());
    builder.addInterceptor(new OkLogInterceptor());
    okHttpClient = builder.build();
}
private static Request createRequest(String url, String method, HashMap baseRequest) {
    FormBody requestBody = null;
    if (baseRequest != null) {
        FormBody.Builder formBuilder = new FormBody.Builder();
        Set set = baseRequest.keySet();
        Iterator iterator = set.iterator();
        while (iterator.hasNext()) {
            String key = (String) iterator.next();
            String value = (String) baseRequest.get(key);
            formBuilder.add(key, value);
        }
        requestBody = formBuilder.build();
    }

    Request.Builder builder = new Request.Builder().url(url);
    Request request = null;
    switch (method) {
        case METHOD_GET:
            request = builder.build();
            break;
        case METHOD_POST:
            request = builder.post(requestBody).build();
            break;
    }
    return request;
}
public static void enqueueGET(String url,Callback callback) {
    Request request = createRequest(url, METHOD_GET, null);
    Call call = okHttpClient.newCall(request);
    call.enqueue(callback);
}
public static void enqueuePOST(String url, HashMap hashMap, OkHttpCallBack okHttpCallBack) {
    Request request = createRequest(url,METHOD_POST, hashMap);
    Call call = okHttpClient.newCall(request);
    call.enqueue(okHttpCallBack);
}

}