-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.PrintStream;
-import java.io.PrintWriter;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.net.URLConnection;
-import java.util.Date;
-
-import javax.net.ssl.HttpsURLConnection;
-
-import ro.ieval.unical.R;
-import com.google.gson.Gson;
-