diff --git a/RequestNetworkController.java b/RequestNetworkController.java
deleted file mode 100644
index 718d537..0000000
--- a/RequestNetworkController.java
+++ /dev/null
@@ -1,180 +0,0 @@
-package com.xc3fff0e.xmanager;
-
-import com.google.gson.Gson;
-
-import java.io.IOException;
-import java.security.cert.CertificateException;
-import java.util.HashMap;
-import java.util.concurrent.TimeUnit;
-
-import javax.net.ssl.HostnameVerifier;
-import javax.net.ssl.SSLContext;
-import javax.net.ssl.SSLSession;
-import javax.net.ssl.SSLSocketFactory;
-import javax.net.ssl.TrustManager;
-import javax.net.ssl.X509TrustManager;
-
-import okhttp3.Call;
-import okhttp3.Callback;
-import okhttp3.FormBody;
-import okhttp3.Headers;
-import okhttp3.HttpUrl;
-import okhttp3.OkHttpClient;
-import okhttp3.Request;
-import okhttp3.RequestBody;
-import okhttp3.Response;
-
-public class RequestNetworkController {
-public static final String GET      = "GET";
-public static final String POST     = "POST";
-public static final String PUT      = "PUT";
-public static final String DELETE   = "DELETE";
-
-public static final int REQUEST_PARAM = 0;
-public static final int REQUEST_BODY  = 1;
-
-private static final int SOCKET_TIMEOUT = 15000;
-private static final int READ_TIMEOUT   = 25000;
-
-protected OkHttpClient client;
-
-private static RequestNetworkController mInstance;
-
-public static synchronized RequestNetworkController getInstance() {
-if(mInstance == null) {
-mInstance = new RequestNetworkController();
-}
-return mInstance;
-}
-
-private OkHttpClient getClient() {
-if (client == null) {
-OkHttpClient.Builder builder = new OkHttpClient.Builder();
-
-try {
-final TrustManager[] trustAllCerts = new TrustManager[]{
-new X509TrustManager() {
-@Override
-public void checkClientTrusted(java.security.cert.X509Certificate[] chain, String authType)
-throws CertificateException {
-}
-
-@Override
-public void checkServerTrusted(java.security.cert.X509Certificate[] chain, String authType)
-throws CertificateException {
-}
-
-@Override
-public java.security.cert.X509Certificate[] getAcceptedIssuers() {
-return new java.security.cert.X509Certificate[]{};
-}
-}
-};
-
-final SSLContext sslContext = SSLContext.getInstance("TLS");
-sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
-final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
-builder.sslSocketFactory(sslSocketFactory, (X509TrustManager) trustAllCerts[0]);
-builder.connectTimeout(SOCKET_TIMEOUT, TimeUnit.MILLISECONDS);
-builder.readTimeout(READ_TIMEOUT, TimeUnit.MILLISECONDS);
-builder.writeTimeout(READ_TIMEOUT, TimeUnit.MILLISECONDS);
-builder.hostnameVerifier(new HostnameVerifier() {
-@Override
-public boolean verify(String hostname, SSLSession session) {
-return true;
-}
-});
-} catch (Exception e) {
-}
-
-client = builder.build();
-}
-
-return client;
-}
-
-public void execute(final RequestNetwork requestNetwork, String method, String url, final String tag, final RequestNetwork.RequestListener requestListener) {
-Request.Builder reqBuilder = new Request.Builder();
-Headers.Builder headerBuilder = new Headers.Builder();
-
-if(requestNetwork.getHeaders().size() > 0) {
-HashMap<String, Object> headers = requestNetwork.getHeaders();
-
-for(HashMap.Entry<String, Object> header : headers.entrySet()) {
-headerBuilder.add(header.getKey(), String.valueOf(header.getValue()));
-}
-}
-
-try {
-if (requestNetwork.getRequestType() == REQUEST_PARAM) {
-if (method.equals(GET)) {
-HttpUrl.Builder httpBuilder;
-
-try {
-httpBuilder = HttpUrl.parse(url).newBuilder();
-} catch (NullPointerException ne) {
-throw new NullPointerException("unexpected url: " + url);
-}
-
-if (requestNetwork.getParams().size() > 0) {
-HashMap<String, Object> params = requestNetwork.getParams();
-
-for (HashMap.Entry<String, Object> param : params.entrySet()) {
-httpBuilder.addQueryParameter(param.getKey(), String.valueOf(param.getValue()));
-}
-}
-
-reqBuilder.url(httpBuilder.build()).headers(headerBuilder.build()).get();
-} else {
-FormBody.Builder formBuilder = new FormBody.Builder();
-if (requestNetwork.getParams().size() > 0) {
-HashMap<String, Object> params = requestNetwork.getParams();
-
-for (HashMap.Entry<String, Object> param : params.entrySet()) {
-formBuilder.add(param.getKey(), String.valueOf(param.getValue()));
-}
-}
-
-RequestBody reqBody = formBuilder.build();
-
-reqBuilder.url(url).headers(headerBuilder.build()).method(method, reqBody);
-}
-} else {
-RequestBody reqBody = RequestBody.create(okhttp3.MediaType.parse("application/json"), new Gson().toJson(requestNetwork.getParams()));
-
-if (method.equals(GET)) {
-reqBuilder.url(url).headers(headerBuilder.build()).get();
-} else {
-reqBuilder.url(url).headers(headerBuilder.build()).method(method, reqBody);
-}
-}
-
-Request req = reqBuilder.build();
-
-getClient().newCall(req).enqueue(new Callback() {
-@Override
-public void onFailure(Call call, final IOException e) {
-requestNetwork.getActivity().runOnUiThread(new Runnable() {
-@Override
-public void run() {
-requestListener.onErrorResponse(tag, e.getMessage());
-}
-});
-}
-
-@Override
-public void onResponse(Call call, final Response response) throws IOException {
-final String responseBody = response.body().string().trim();
-requestNetwork.getActivity().runOnUiThread(new Runnable() {
-@Override
-public void run() {
-requestListener.onResponse(tag, responseBody);
-}
-});
-}
-});
-} catch (Exception e) {
-requestListener.onErrorResponse(tag, e.getMessage());
-}
-}
-}
\ No newline at end of file