Android Web API Call

I am creating an Android application that will need to get data from a Web API. I am running a MVC Web API application on localhost with a SQL Server Database. I want to retrieve the data and output to TextViews in my application. I am new to API calls and im not sure if am I doing it correctly. Source code below

fragment2_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://ift.tt/nIICcg"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="#D70B0D"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginTop="5dp"
        android:text="@string/textView1"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:textColor="#FFFFFF"
        android:textStyle="bold"/>

    <TextView
        android:id="@+id/txtId"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/txtId"
        android:textAppearance="?android:attr/textAppearanceMedium"
        android:textColor="#FFFFFF"
        android:layout_margin="23dp"/>

    <TextView
        android:id="@+id/txtName"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/txtName"
        android:textAppearance="?android:attr/textAppearanceMedium"
        android:textColor="#FFFFFF"
        android:layout_margin="23dp"/>

    <TextView
        android:id="@+id/txtBirth"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/txtBirth"
        android:textAppearance="?android:attr/textAppearanceMedium" 
        android:textColor="#FFFFFF"
        android:layout_margin="23dp"/>

    <TextView
        android:id="@+id/textView5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginTop="5dp"
        android:text="@string/textView5"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:textColor="#FFFFFF"
        android:textStyle="bold" />

     <TextView
        android:id="@+id/txtMedHis"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/txtMedHis"
        android:textAppearance="?android:attr/textAppearanceMedium" 
        android:textColor="#FFFFFF"
        android:layout_margin="23dp"/>

     <TextView
        android:id="@+id/txtMed"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/txtMed"
        android:textAppearance="?android:attr/textAppearanceMedium" 
        android:textColor="#FFFFFF"
        android:layout_margin="23dp"/>

     <TextView
        android:id="@+id/txtAler"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/txtAler"
        android:textAppearance="?android:attr/textAppearanceMedium" 
        android:textColor="#FFFFFF"
        android:layout_margin="23dp"/>

</LinearLayout>

Fragment2.java

package ie.itsligo.medication;

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Date;

import org.json.JSONObject;

import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

public class Fragment2 extends Fragment {

    public final static String apiURL = "http://localhost:63607/api/person/1";

    TextView txtId;
    TextView txtName;
    TextView txtBirth;
    TextView txtMedHis;
    TextView txtMed;
    TextView txtAler;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {

        View view = inflater.inflate(R.layout.fragment2_layout, container, false);

        /*txtId = (TextView) getView().findViewById(R.id.txtId);
        txtName = (TextView) getView().findViewById(R.id.txtName);*/

        return view;
    }

    private class CallAPI extends AsyncTask<String, String, String> {

        @Override
        protected String doInBackground(String... params) {

            String urlString=params[0]; // URL to call
            String resultToDisplay = "";
            InputStream in = null;

            // HTTP Get
            try {

                URL url = new URL(urlString);
                HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
                in = new BufferedInputStream(urlConnection.getInputStream());

                StringBuilder sb = new StringBuilder();

                String line = "";

                 BufferedReader reader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
                        while ((line=reader.readLine())!=null){
                            sb.append(line);
                        }
                        reader.close();
                String result = sb.toString();

                Log.d("result", result);

                JSONObject jsonResult = new JSONObject(result);
                int id = jsonResult.getInt("ID");
                String name = jsonResult.getString("FullName");

                /*txtId.setText(ID);
                txtName.setText(FullName);*/


            } catch (Exception e) {

                System.out.println(e.getMessage());
                return e.getMessage();

            }

            return resultToDisplay;
        }

        protected void onPostExecute(String result) {

        }

    } // end CallAPI
}