FileServerAsyncTask

package com.xu.consent;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.AsyncTask;
import android.util.Log;
import android.view.View;
import android.widget.TextView;

import java.io.DataInputStream;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.util.Arrays;

/**
 *  //moved asyncTask code here if we ever need to call it from consent activity?
 */

public class FileServerAsyncTask extends AsyncTask<Void, Void, String> {
    private Context context;
    private TextView statusText;
    String incoming;
    ArrayList<String> receivedStrings;
    SharedPreferences received;
    SharedPreferences.Editor receivedEditor;


    public FileServerAsyncTask(Context context){
        this.context = context;

        received = context.getSharedPreferences("received", Context.MODE_PRIVATE);
        receivedEditor = received.edit();

    }

    @Override
    protected String doInBackground(Void... params){
        try {
            ServerSocket serverSocket = new ServerSocket(8988);
            Log.d(WIFIDirectActivity.TAG, "Server: Socket opened");
            Socket client = serverSocket.accept();
            Log.d(WIFIDirectActivity.TAG, "Server: connectction done");


            DataInputStream ds= new DataInputStream(client.getInputStream());
            //could potentially get client IP and name passed from FB?
            //How to separate inputstream?
            incoming= ds.readUTF();

            //split received hueg string thing by arrays
            receivedStrings = new ArrayList<String>(Arrays.asList(incoming.split(",")));

            for (int i = 0; i<receivedStrings.size();i++){
                //add receivedStrings into sharedprefs storage
                receivedEditor.putString(Integer.toString(i),receivedStrings.get(i));
            }

            Log.d(WIFIDirectActivity.TAG, "server: copying strings to local list");

            serverSocket.close();
            return incoming;

        }catch (IOException e){
            Log.e(WIFIDirectActivity.TAG, e.getMessage());
            return null;
        }

    }

    //After copying finished, view the image
    @Override
    protected void onPostExecute(String result){
        return;
    }
    @Override
    protected void onPreExecute(){
        statusText.setText("Opening server socket");
    }
}