LoginService

package in.campuskarma.test;

import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.JsonReader;
import android.util.Log;
import android.view.KeyEvent;
import android.view.inputmethod.EditorInfo;
import android.widget.AutoCompleteTextView;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;

import javax.net.ssl.HttpsURLConnection;


//import static android.app.PendingIntent.getActivity;

public class LoginService{



    public void  Login(String userid, String password)
    {

      // Toast.makeText(getApplicationContext(),"Your Message", Toast.LENGTH_LONG).show();
       // Log.i("Message1","Message2");
       /* try {
            sendPost();
        } catch (Exception e) {
            e.printStackTrace();
        } */
        AsyncTask.execute(new Runnable() {
            @Override
            public void run() {


                // All your networking logic
                // should be here
                // Create URL
                URL githubEndpoint = null;
                try {
                    githubEndpoint = new URL("https://campuskarma.in/services/api/rest/json/");
                    HttpsURLConnection myConnection =
                            (HttpsURLConnection) githubEndpoint.openConnection();
                    myConnection.setRequestMethod("POST");
                    myConnection.setRequestProperty("call_method","POST");
                    myConnection.setRequestProperty("function","auth_gettoken");
                    myConnection.setRequestProperty("call_method","POST");
                    myConnection.setRequestProperty("call_method","POST");


                    //myConnection.setRequestProperty("User-Agent", "my-rest-app-v0.1");
                    //myConnection.setRequestProperty("Accept",
                         //   "application/vnd.github.v3+json");
                    //myConnection.setRequestProperty("Contact-Me",
                           // "hathibelagal@example.com");

                    if (myConnection.getResponseCode() == 200) {
                        // Success
                        // Further processing here

                        InputStream responseBody = myConnection.getInputStream();

                        InputStreamReader responseBodyReader =
                                new InputStreamReader(responseBody, "UTF-8");

                        JsonReader jsonReader = new JsonReader(responseBodyReader);


                        jsonReader.beginObject(); // Start processing the JSON object
                        while (jsonReader.hasNext()) { // Loop through all keys
                            String key = jsonReader.nextName(); // Fetch the next key
                            if (key.equals("status")) { // Check if desired key
                                // Fetch the value as a String
                                String value = jsonReader.nextString();

                                // Do something with the value
                                // ...
                                Log.i("parsing value ", value);
                                break; // Break out of the loop
                            } else {
                                jsonReader.skipValue(); // Skip values of other keys
                            }
                        }
                        Log.i("working", jsonReader.toString());

                    } else {
                        // Error handling code goes here
                    }

                } catch (MalformedURLException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                }


            }
        });
    };

    // HTTP POST request
    private void sendPost() throws Exception {

        String url = "https://www.campuskarma.in/services/api/rest/json/";
        URL obj = new URL(url);
        HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();

        //add reuqest header
        con.setRequestMethod("POST");
        String urlParameters = "method=auth.gettoken&username=your_username&password=your_password";

        // Send post request
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();

        int responseCode = con.getResponseCode();
        System.out.println("\nSending 'POST' request to URL : " + url);
        System.out.println("Post parameters : " + urlParameters);
        System.out.println("Response Code : " + responseCode);

        BufferedReader in = new BufferedReader(
                new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();

        //print result
        System.out.println(response.toString());

    }


}