AsyncJob.java

import android.os.AsyncTask;
import android.util.Base64;

import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;

public class AsyncJob extends AsyncTask<String,String,String>  {

    private MainActivity _main;

    public AsyncJob(MainActivity main) {
        super();
        _main = main;
    }


    @Override
    protected String doInBackground(String...value) {
        String  userToken = value[0];
        String  devicetype = value[1];
        String  regId = value[2];
        String  base_url = value[3];

        BufferedReader reader = null;
        OutputStream os = null;
        HttpURLConnection urlCon = null;

        try {

            URL url = new URL(base_url);

            urlCon = (HttpURLConnection) url.openConnection();
            urlCon.setReadTimeout(10000);
            urlCon.setConnectTimeout(20000);
            urlCon.setRequestMethod("POST");
            urlCon.setDoInput(true);
            urlCon.setDoOutput(true);
            urlCon.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            urlCon.setUseCaches(false);

            urlCon.connect();

            JSONObject jsonObject = new JSONObject();
            jsonObject.put("token", userToken);
            jsonObject.put("devicetype", devicetype);
            jsonObject.put("deviceid", regId);

            // データを送信する
            os = urlCon.getOutputStream();
            BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
            writer.write(String.valueOf(jsonObject));
            writer.flush();
            writer.close();
            os.close();

            int status = urlCon.getResponseCode();

            switch (status) {
                case HttpURLConnection.HTTP_OK:
                    InputStream is = urlCon.getInputStream();
                    reader = new BufferedReader(new InputStreamReader(is));

                    String httpSource = new String();
                    String str;
                    while (null != (str = reader.readLine())) {
                        httpSource = httpSource + str;
                    }

                    is.close();
                    break;
                case HttpURLConnection.HTTP_UNAUTHORIZED:
                    break;
                default:
                    break;
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (reader != null) {
                    reader.close();
                }
                if (os != null) {
                    os.close();
                }
                if (urlCon != null) {
                    urlCon.disconnect();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        return null;
    }

    @Override
    protected void onProgressUpdate(String... values) {
        //

    }

    @Override
    protected void onPostExecute(String result) {
        _main.result_job(result);
    }


}